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Waterford 14 Day Long Range Forecast

14 Day weather providing an extended long range forecast outlook for Waterford

Hampshire, United Kingdom

Long range weather outlook for Waterford includes 14 day forecast summary:

The forecast for Waterford in the coming two weeks is predicting the average daytime maximum temperature will be around 18°C, with a high for the two weeks of 22°C expected on the afternoon of Monday 20th. The average minimum temperature will be 12°C, dipping to its lowest on the morning of Tuesday 21st at 8°C. Expect the following 14 days ahead to have most days seeing a little rain. The indicators are that Monday 27th will have the most precipitation with an accumulation of around 5.0mm. On the whole winds are likely to be moderate.

DayLocal TimeDirSpeed/
Gust		Temp/
Feels Like		HumidityCloud AmountPrecip AmountWeather
Sat 18
May		00:00

WNW
WNW

 4 / 7 mph 58 / 58°F 84%
Low level cloud: 0%
Mid level cloud: 92%
High level cloud: 97%
Most Significant Cloud Type: medium
95%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

NW
NW

 4 / 7 mph 57 / 57°F 88%
Low level cloud: 0%
Mid level cloud: 46%
High level cloud: 63%
Most Significant Cloud Type: medium
48%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

N
N

 2 / 2 mph 57 / 55°F 93%
Low level cloud: 35%
Mid level cloud: 49%
High level cloud: 100%
Most Significant Cloud Type: low
64%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
09:00

WSW
WSW

 2 / 2 mph 58 / 57°F 89%
Low level cloud: 75%
Mid level cloud: 98%
High level cloud: 88%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

SW
SW

 5 / 6 mph 61 / 61°F 88%
Low level cloud: 54%
Mid level cloud: 100%
High level cloud: 62%
Most Significant Cloud Type: low
96%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

WSW
WSW

 4 / 5 mph 65 / 62°F 87%
Low level cloud: 30%
Mid level cloud: 54%
High level cloud: 19%
Most Significant Cloud Type: low
51%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

WSW
WSW

 4 / 4 mph 65 / 62°F 87%
Low level cloud: 17%
Mid level cloud: 17%
High level cloud: 9%
Most Significant Cloud Type: low
24%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

W
W

 6 / 9 mph 59 / 60°F 92%
Low level cloud: 43%
Mid level cloud: 24%
High level cloud: 46%
Most Significant Cloud Type: low
56%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Sun 19
May		00:00

NNE
NNE

 7 / 12 mph 57 / 55°F 95%
Low level cloud: 39%
Mid level cloud: 25%
High level cloud: 35%
Most Significant Cloud Type: low
51%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
03:00

NNE
NNE

 9 / 14 mph 53 / 50°F 90%
Low level cloud: 5%
Mid level cloud: 24%
High level cloud: 35%
Most Significant Cloud Type: medium
40%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

NNE
NNE

 9 / 13 mph 53 / 49°F 89%
Low level cloud: 12%
Mid level cloud: 30%
High level cloud: 7%
Most Significant Cloud Type: low
23%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

NE
NE

 9 / 13 mph 57 / 53°F 84%
Low level cloud: 12%
Mid level cloud: 18%
High level cloud: 2%
Most Significant Cloud Type: low
18%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

E
E

 7 / 10 mph 65 / 63°F 78%
Low level cloud: 14%
Mid level cloud: 10%
High level cloud: 0%
Most Significant Cloud Type: low
17%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

E
E

 6 / 9 mph 65 / 63°F 81%
Low level cloud: 24%
Mid level cloud: 10%
High level cloud: 2%
Most Significant Cloud Type: low
27%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

E
E

 1 / 2 mph 64 / 62°F 85%
Low level cloud: 61%
Mid level cloud: 40%
High level cloud: 1%
Most Significant Cloud Type: low
75%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

NE
NE

 8 / 13 mph 60 / 60°F 87%
Low level cloud: 20%
Mid level cloud: 23%
High level cloud: 2%
Most Significant Cloud Type: low
27%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Mon 20
May		00:00

NE
NE

 9 / 15 mph 56 / 54°F 92%
Low level cloud: 9%
Mid level cloud: 1%
High level cloud: 0%
Most Significant Cloud Type: low
8%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

NNE
NNE

 9 / 16 mph 53 / 50°F 90%
Low level cloud: 1%
Mid level cloud: 3%
High level cloud: 0%
Most Significant Cloud Type: medium
4%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

NNE
NNE

 13 / 22 mph 51 / 46°F 79%
Low level cloud: 0%
Mid level cloud: 1%
High level cloud: 0%
Most Significant Cloud Type: medium
1%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

NE
NE

 13 / 15 mph 62 / 61°F 71%
Low level cloud: 0%
Mid level cloud: 3%
High level cloud: 0%
Most Significant Cloud Type: medium
2%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

ENE
ENE

 12 / 14 mph 69 / 68°F 71%
Low level cloud: 7%
Mid level cloud: 4%
High level cloud: 0%
Most Significant Cloud Type: low
8%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

E
E

 12 / 14 mph 71 / 70°F 72%
Low level cloud: 25%
Mid level cloud: 18%
High level cloud: 0%
Most Significant Cloud Type: low
31%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

E
E

 10 / 12 mph 68 / 66°F 84%
Low level cloud: 1%
Mid level cloud: 21%
High level cloud: 0%
Most Significant Cloud Type: medium
23%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

ENE
ENE

 9 / 15 mph 57 / 55°F 89%
Low level cloud: 3%
Mid level cloud: 8%
High level cloud: 0%
Most Significant Cloud Type: medium
15%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Tue 21
May		00:00

NE
NE

 10 / 17 mph 53 / 50°F 90%
Low level cloud: 7%
Mid level cloud: 7%
High level cloud: 0%
Most Significant Cloud Type: low
9%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

NE
NE

 10 / 17 mph 50 / 46°F 85%
Low level cloud: 0%
Mid level cloud: 3%
High level cloud: 11%
Most Significant Cloud Type: medium
3%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

NE
NE

 10 / 19 mph 49 / 44°F 81%
Low level cloud: 0%
Mid level cloud: 24%
High level cloud: 71%
Most Significant Cloud Type: medium
27%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

NE
NE

 10 / 11 mph 62 / 60°F 74%
Low level cloud: 0%
Mid level cloud: 29%
High level cloud: 52%
Most Significant Cloud Type: medium
30%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

E
E

 6 / 7 mph 68 / 65°F 76%
Low level cloud: 12%
Mid level cloud: 32%
High level cloud: 100%
Most Significant Cloud Type: low
35%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

SSW
SSW

 2 / 2 mph 66 / 65°F 79%
Low level cloud: 10%
Mid level cloud: 100%
High level cloud: 100%
Most Significant Cloud Type: medium
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

N
N

 2 / 2 mph 68 / 65°F 88%
Low level cloud: 4%
Mid level cloud: 52%
High level cloud: 100%
Most Significant Cloud Type: medium
68%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

WNW
WNW

 5 / 6 mph 62 / 62°F 91%
Low level cloud: 35%
Mid level cloud: 98%
High level cloud: 19%
Most Significant Cloud Type: low
71%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Wed 22
May		00:00

NW
NW

 6 / 9 mph 57 / 56°F 93%
Low level cloud: 29%
Mid level cloud: 59%
High level cloud: 3%
Most Significant Cloud Type: low
50%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

NW
NW

 5 / 7 mph 56 / 55°F 95%
Low level cloud: 53%
Mid level cloud: 46%
High level cloud: 1%
Most Significant Cloud Type: low
69%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

W
W

 6 / 8 mph 55 / 54°F 94%
Low level cloud: 87%
Mid level cloud: 46%
High level cloud: 0%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

WSW
WSW

 10 / 15 mph 57 / 54°F 87%
Low level cloud: 70%
Mid level cloud: 46%
High level cloud: 0%
Most Significant Cloud Type: low
86%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

SW
SW

 12 / 14 mph 60 / 56°F 85%
Low level cloud: 19%
Mid level cloud: 28%
High level cloud: 0%
Most Significant Cloud Type: low
28%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

SW
SW

 13 / 15 mph 61 / 60°F 84%
Low level cloud: 18%
Mid level cloud: 30%
High level cloud: 0%
Most Significant Cloud Type: low
28%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

SW
SW

 12 / 14 mph 61 / 59°F 85%
Low level cloud: 1%
Mid level cloud: 31%
High level cloud: 96%
Most Significant Cloud Type: medium
38%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

SW
SW

 8 / 10 mph 58 / 56°F 88%
Low level cloud: 2%
Mid level cloud: 99%
High level cloud: 1%
Most Significant Cloud Type: medium
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Thu 23
May		00:00

SSW
SSW

 5 / 8 mph 56 / 55°F 87%
Low level cloud: 8%
Mid level cloud: 55%
High level cloud: 37%
Most Significant Cloud Type: medium
77%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

S
S

 5 / 9 mph 55 / 54°F 85%
Low level cloud: 9%
Mid level cloud: 44%
High level cloud: 36%
Most Significant Cloud Type: medium
69%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

S
S

 3 / 6 mph 56 / 55°F 85%
Low level cloud: 0%
Mid level cloud: 37%
High level cloud: 20%
Most Significant Cloud Type: medium
37%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

SSW
SSW

 9 / 17 mph 56 / 53°F 82%
Low level cloud: 0%
Mid level cloud: 39%
High level cloud: 8%
Most Significant Cloud Type: medium
39%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

SSW
SSW

 11 / 15 mph 58 / 54°F 85%
Low level cloud: 45%
Mid level cloud: 27%
High level cloud: 0%
Most Significant Cloud Type: low
54%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

SSW
SSW

 7 / 10 mph 59 / 56°F 82%
Low level cloud: 61%
Mid level cloud: 21%
High level cloud: 27%
Most Significant Cloud Type: low
71%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

SW
SW

 7 / 9 mph 59 / 56°F 84%
Low level cloud: 49%
Mid level cloud: 27%
High level cloud: 0%
Most Significant Cloud Type: low
59%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

WSW
WSW

 6 / 8 mph 57 / 56°F 93%
Low level cloud: 39%
Mid level cloud: 29%
High level cloud: 12%
Most Significant Cloud Type: low
50%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Fri 24
May		00:00

WSW
WSW

 6 / 9 mph 56 / 55°F 92%
Low level cloud: 28%
Mid level cloud: 43%
High level cloud: 7%
Most Significant Cloud Type: low
44%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

NW
NW

 3 / 4 mph 55 / 55°F 93%
Low level cloud: 53%
Mid level cloud: 45%
High level cloud: 2%
Most Significant Cloud Type: low
69%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

N
N

 8 / 11 mph 55 / 51°F 91%
Low level cloud: 71%
Mid level cloud: 8%
High level cloud: 1%
Most Significant Cloud Type: low
73%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

N
N

 9 / 15 mph 57 / 53°F 81%
Low level cloud: 66%
Mid level cloud: 8%
High level cloud: 0%
Most Significant Cloud Type: low
68%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

NW
NW

 6 / 11 mph 59 / 58°F 74%
Low level cloud: 73%
Mid level cloud: 44%
High level cloud: 0%
Most Significant Cloud Type: low
88%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

NW
NW

 8 / 12 mph 61 / 60°F 77%
Low level cloud: 79%
Mid level cloud: 9%
High level cloud: 0%
Most Significant Cloud Type: low
81%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

W
W

 7 / 11 mph 60 / 59°F 85%
Low level cloud: 80%
Mid level cloud: 9%
High level cloud: 1%
Most Significant Cloud Type: low
83%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

W
W

 9 / 14 mph 59 / 55°F 92%
Low level cloud: 52%
Mid level cloud: 10%
High level cloud: 0%
Most Significant Cloud Type: low
55%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
DayLocal TimeDirSpeed/
Gust		Temp/
Feels Like		HumidityCloud AmountPrecip AmountWeather
Sat 25
May		00:00

NNE
NNE

 19 / 39 mph 58 / 54°F 90%
Low level cloud: 99%
Mid level cloud: 13%
High level cloud: 36%
Most Significant Cloud Type: low
100%
0.0 In
06:00

NW
NW

 6 / 12 mph 58 / 57°F 87%
Low level cloud: 5%
Mid level cloud: 9%
High level cloud: 0%
Most Significant Cloud Type: low
7%
0.0 In
12:00

SW
SW

 11 / 22 mph 55 / 52°F 68%
Low level cloud: 0%
Mid level cloud: 5%
High level cloud: 99%
Most Significant Cloud Type: medium
8%
0.0 In
18:00

ESE
ESE

 9 / 19 mph 63 / 63°F 72%
Low level cloud: 0%
Mid level cloud: 8%
High level cloud: 0%
Most Significant Cloud Type: medium
7%
0.0 In
Sun 26
May		00:00

E
E

 3 / 6 mph 62 / 62°F 93%
Low level cloud: 45%
Mid level cloud: 74%
High level cloud: 66%
Most Significant Cloud Type: low
79%
0.0 In
06:00

ESE
ESE

 9 / 19 mph 57 / 55°F 93%
Low level cloud: 16%
Mid level cloud: 57%
High level cloud: 98%
Most Significant Cloud Type: medium
100%
0.0 In
12:00

ESE
ESE

 9 / 19 mph 62 / 62°F 94%
Low level cloud: 43%
Mid level cloud: 85%
High level cloud: 75%
Most Significant Cloud Type: low
81%
0.0 In
18:00

SSE
SSE

 4 / 9 mph 63 / 63°F 91%
Low level cloud: 30%
Mid level cloud: 78%
High level cloud: 100%
Most Significant Cloud Type: low
69%
0.1 In
Mon 27
May		00:00

NE
NE

 11 / 24 mph 57 / 55°F 94%
Low level cloud: 76%
Mid level cloud: 99%
High level cloud: 100%
Most Significant Cloud Type: low
100%
0.1 In
06:00

ESE
ESE

 6 / 13 mph 56 / 55°F 96%
Low level cloud: 92%
Mid level cloud: 44%
High level cloud: 100%
Most Significant Cloud Type: low
100%
0.2 In
12:00

NE
NE

 14 / 30 mph 58 / 56°F 87%
Low level cloud: 38%
Mid level cloud: 85%
High level cloud: 3%
Most Significant Cloud Type: low
67%
0.0 In
18:00

SW
SW

 1 / 3 mph 65 / 65°F 90%
Low level cloud: 24%
Mid level cloud: 57%
High level cloud: 100%
Most Significant Cloud Type: low
55%
0.0 In
Tue 28
May		00:00

NE
NE

 10 / 21 mph 57 / 55°F 94%
Low level cloud: 34%
Mid level cloud: 17%
High level cloud: 0%
Most Significant Cloud Type: low
40%
0.0 In
06:00

S
S

 5 / 11 mph 56 / 56°F 92%
Low level cloud: 65%
Mid level cloud: 19%
High level cloud: 31%
Most Significant Cloud Type: low
75%
0.1 In
12:00

SSE
SSE

 6 / 12 mph 63 / 63°F 83%
Low level cloud: 11%
Mid level cloud: 28%
High level cloud: 100%
Most Significant Cloud Type: medium
62%
0.0 In
18:00

SSE
SSE

 6 / 13 mph 63 / 63°F 81%
Low level cloud: 2%
Mid level cloud: 16%
High level cloud: 17%
Most Significant Cloud Type: medium
22%
0.0 In
Wed 29
May		00:00

WNW
WNW

 7 / 14 mph 63 / 63°F 89%
Low level cloud: 3%
Mid level cloud: 15%
High level cloud: 26%
Most Significant Cloud Type: medium
23%
0.0 In
06:00

ESE
ESE

 6 / 14 mph 58 / 57°F 88%
Low level cloud: 13%
Mid level cloud: 9%
High level cloud: 85%
Most Significant Cloud Type: low
26%
0.0 In
12:00

NW
NW

 13 / 27 mph 60 / 60°F 82%
Low level cloud: 85%
Mid level cloud: 46%
High level cloud: 4%
Most Significant Cloud Type: low
100%
0.0 In
18:00

E
E

 18 / 37 mph 61 / 61°F 86%
Low level cloud: 2%
Mid level cloud: 55%
High level cloud: 100%
Most Significant Cloud Type: medium
63%
0.0 In
Thu 30
May		00:00

W
W

 11 / 22 mph 54 / 51°F 80%
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.0 In
06:00

SSE
SSE

 8 / 17 mph 55 / 53°F 91%
Low level cloud: 33%
Mid level cloud: 8%
High level cloud: 88%
Most Significant Cloud Type: low
46%
0.1 In
12:00

WSW
WSW

 17 / 36 mph 56 / 52°F 69%
Low level cloud: 0%
Mid level cloud: 18%
High level cloud: 10%
Most Significant Cloud Type: medium
18%
0.0 In
18:00

SSE
SSE

 10 / 21 mph 58 / 57°F 88%
Low level cloud: 10%
Mid level cloud: 81%
High level cloud: 100%
Most Significant Cloud Type: medium
100%
0.0 In
Fri 31
May		00:00

WSW
WSW

 10 / 21 mph 54 / 51°F 78%
Low level cloud: 40%
Mid level cloud: 44%
High level cloud: 0%
Most Significant Cloud Type: low
55%
0.0 In
06:00

SSW
SSW

 19 / 39 mph 54 / 49°F 93%
Low level cloud: 88%
Mid level cloud: 27%
High level cloud: 22%
Most Significant Cloud Type: low
99%
0.1 In
12:00

WSW
WSW

 15 / 31 mph 56 / 52°F 67%
Low level cloud: 35%
Mid level cloud: 15%
High level cloud: 0%
Most Significant Cloud Type: low
40%
0.0 In
18:00

SW
SW

 21 / 43 mph 57 / 52°F 88%
Low level cloud: 22%
Mid level cloud: 52%
High level cloud: 100%
Most Significant Cloud Type: low
52%
0.1 In
Sat 01
Jun		00:00

NW
NW

 10 / 22 mph 50 / 46°F 85%
Low level cloud: 0%
Mid level cloud: 3%
High level cloud: 0%
Most Significant Cloud Type: medium
3%
0.1 In
06:00

SW
SW

 21 / 45 mph 55 / 51°F 92%
Low level cloud: 80%
Mid level cloud: 21%
High level cloud: 0%
Most Significant Cloud Type: low
87%
0.0 In
12:00

WSW
WSW

 8 / 17 mph 59 / 57°F 63%
Low level cloud: 19%
Mid level cloud: 5%
High level cloud: 0%
Most Significant Cloud Type: low
21%
0.0 In
18:00

WSW
WSW

 10 / 21 mph 58 / 56°F 89%
Low level cloud: 19%
Mid level cloud: 62%
High level cloud: 99%
Most Significant Cloud Type: medium
100%
0.0 In
Sun 02
Jun		00:00

NNW
NNW

 5 / 11 mph 57 / 56°F 86%
Low level cloud: 0%
Mid level cloud: 29%
High level cloud: 1%
Most Significant Cloud Type: medium
29%
0.1 In
06:00

ESE
ESE

 6 / 12 mph 59 / 58°F 84%
Low level cloud: 48%
Mid level cloud: 44%
High level cloud: 1%
Most Significant Cloud Type: low
63%
0.0 In
12:00

ESE
ESE

 8 / 17 mph 59 / 60°F 71%
Low level cloud: 9%
Mid level cloud: 6%
High level cloud: 10%
Most Significant Cloud Type: low
12%
0.0 In
18:00

SW
SW

 7 / 15 mph 66 / 66°F 82%
Low level cloud: 0%
Mid level cloud: 8%
High level cloud: 100%
Most Significant Cloud Type: medium
11%
0.0 In

The day label given represents the local day relative to the local time for the location you are looking at.
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Day

This time is corrected for local time zones and where possible for daylight saving times.
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Local Time

The wind direction we use on this page is the direction the wind is coming from, given in a 16 point compass format.
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Dir

This refers to the sustained average wind speed, normally averaged over a period of 10 minutes for up to 3 hrs.
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Speed/
Gust

Temperature from our forecast perspective are fairly well defined, they are what we would expect to measure in a standard meteorological screen (in other words, shaded and well ventilated) at 2 metres above ground level.
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Temp/
Feels Like

The relative humidity is the percent of saturation humidity, generally calculated in relation to saturated vapour density.
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Humidity

The value given is a total predicted for the previous 3 hrs and includes the time of the forecast being looked at.
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Precip Amount

The total amount of cloud as a percentage is derived from looking at cloud cover throughout the atmosphere and estimating how these combine when looked at from the ground.
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Cloud Amount

Here we try to capture the feel of the weather as an image – it will never be perfect but is useful for a quick overview.
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Weather

When we measure for forecast air pressure we are normally doing this relative to a certain height and most commonly relative to Mean Sea Level.
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Pressure