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Wigginton Bottom 14 Day Long Range Forecast

14 Day weather providing an extended long range forecast outlook for Wigginton Bottom

Hertfordshire, United Kingdom

Long range weather outlook for Wigginton Bottom includes 14 day forecast summary:

The forecast for Wigginton Bottom in the coming two weeks is predicting the average daytime maximum temperature will be around 15°C, with a high for the two weeks of 21°C expected on the afternoon of Sunday 12th. The mean minimum temperature will be 7°C, dipping to its lowest on the morning of Thursday 9th at 4°C. The fortnight ahead will have some days seeing a little precipitation and some days with rain. It looks like Monday 6th will have the most precipitation with an accumulation of around 19.0mm. On the whole winds are likely to be moderate.

DayLocal TimeDirSpeed/
Gust
Temp/
Feels Like
HumidityPressureCloud AmountPrecip AmountWeather
Fri 03
May
12:00

WSW
WSW

16 / 22 mph 47 / 41°F 96% 1009 mb
Low level cloud: 98%
Mid level cloud: 100%
High level cloud: 100%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

WSW
WSW

14 / 17 mph 48 / 43°F 95% 1010 mb
Low level cloud: 88%
Mid level cloud: 100%
High level cloud: 100%
Most Significant Cloud Type: low
100%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
18:00

WSW
WSW

8 / 13 mph 48 / 44°F 93% 1010 mb
Low level cloud: 20%
Mid level cloud: 96%
High level cloud: 100%
Most Significant Cloud Type: medium
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

SW
SW

9 / 15 mph 46 / 42°F 93% 1011 mb
Low level cloud: 1%
Mid level cloud: 11%
High level cloud: 100%
Most Significant Cloud Type: medium
17%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Sat 04
May
00:00

SSW
SSW

8 / 13 mph 45 / 41°F 94% 1011 mb
Low level cloud: 0%
Mid level cloud: 3%
High level cloud: 31%
Most Significant Cloud Type: medium
4%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

SSW
SSW

6 / 13 mph 41 / 37°F 96% 1011 mb
Low level cloud: 23%
Mid level cloud: 0%
High level cloud: 2%
Most Significant Cloud Type: low
22%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

SSW
SSW

5 / 9 mph 44 / 41°F 96% 1012 mb
Low level cloud: 20%
Mid level cloud: 2%
High level cloud: 9%
Most Significant Cloud Type: low
21%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

S
S

8 / 10 mph 55 / 51°F 80% 1012 mb
Low level cloud: 36%
Mid level cloud: 5%
High level cloud: 18%
Most Significant Cloud Type: low
39%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

S
S

7 / 9 mph 59 / 57°F 63% 1011 mb
Low level cloud: 69%
Mid level cloud: 18%
High level cloud: 57%
Most Significant Cloud Type: low
81%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

SW
SW

3 / 4 mph 59 / 59°F 67% 1010 mb
Low level cloud: 14%
Mid level cloud: 58%
High level cloud: 33%
Most Significant Cloud Type: medium
99%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

NNW
NNW

1 / 1 mph 59 / 58°F 77% 1010 mb
Low level cloud: 7%
Mid level cloud: 43%
High level cloud: 17%
Most Significant Cloud Type: medium
63%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

S
S

3 / 7 mph 49 / 49°F 87% 1010 mb
Low level cloud: 63%
Mid level cloud: 46%
High level cloud: 30%
Most Significant Cloud Type: low
83%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Sun 05
May
00:00

S
S

4 / 9 mph 46 / 44°F 92% 1009 mb
Low level cloud: 5%
Mid level cloud: 17%
High level cloud: 10%
Most Significant Cloud Type: medium
30%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

SSE
SSE

3 / 7 mph 44 / 43°F 91% 1009 mb
Low level cloud: 0%
Mid level cloud: 6%
High level cloud: 15%
Most Significant Cloud Type: medium
6%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

SE
SE

4 / 7 mph 46 / 44°F 90% 1009 mb
Low level cloud: 0%
Mid level cloud: 7%
High level cloud: 33%
Most Significant Cloud Type: medium
9%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

SE
SE

9 / 11 mph 55 / 53°F 80% 1008 mb
Low level cloud: 71%
Mid level cloud: 45%
High level cloud: 28%
Most Significant Cloud Type: low
90%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

SSE
SSE

6 / 8 mph 53 / 50°F 93% 1008 mb
Low level cloud: 59%
Mid level cloud: 45%
High level cloud: 100%
Most Significant Cloud Type: low
87%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

SSW
SSW

8 / 12 mph 55 / 53°F 88% 1007 mb
Low level cloud: 17%
Mid level cloud: 91%
High level cloud: 32%
Most Significant Cloud Type: medium
100%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
18:00

SSW
SSW

3 / 5 mph 57 / 56°F 86% 1006 mb
Low level cloud: 10%
Mid level cloud: 3%
High level cloud: 0%
Most Significant Cloud Type: low
10%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

ESE
ESE

3 / 6 mph 48 / 47°F 90% 1007 mb
Low level cloud: 36%
Mid level cloud: 2%
High level cloud: 22%
Most Significant Cloud Type: low
39%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Mon 06
May
00:00

ESE
ESE

3 / 7 mph 46 / 45°F 94% 1007 mb
Low level cloud: 17%
Mid level cloud: 3%
High level cloud: 22%
Most Significant Cloud Type: low
20%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

ENE
ENE

4 / 9 mph 45 / 42°F 96% 1006 mb
Low level cloud: 37%
Mid level cloud: 53%
High level cloud: 100%
Most Significant Cloud Type: low
66%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

NE
NE

4 / 7 mph 47 / 45°F 97% 1006 mb
Low level cloud: 56%
Mid level cloud: 97%
High level cloud: 79%
Most Significant Cloud Type: low
98%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

NE
NE

7 / 10 mph 51 / 47°F 96% 1007 mb
Low level cloud: 82%
Mid level cloud: 75%
High level cloud: 100%
Most Significant Cloud Type: low
100%
Expect 0.2 In of precipitation over the past 3 hours.
0.2 In
12:00

E
E

4 / 5 mph 51 / 50°F 93% 1008 mb
Low level cloud: 64%
Mid level cloud: 83%
High level cloud: 100%
Most Significant Cloud Type: low
100%
Expect 0.2 In of precipitation over the past 3 hours.
0.2 In
15:00

WNW
WNW

2 / 3 mph 51 / 51°F 94% 1009 mb
Low level cloud: 81%
Mid level cloud: 98%
High level cloud: 100%
Most Significant Cloud Type: low
100%
Expect 0.2 In of precipitation over the past 3 hours.
0.2 In
18:00

NW
NW

2 / 4 mph 50 / 50°F 96% 1010 mb
Low level cloud: 91%
Mid level cloud: 98%
High level cloud: 100%
Most Significant Cloud Type: low
100%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
21:00

N
N

10 / 14 mph 49 / 46°F 97% 1012 mb
Low level cloud: 84%
Mid level cloud: 67%
High level cloud: 100%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Tue 07
May
00:00

NNE
NNE

11 / 15 mph 48 / 44°F 98% 1014 mb
Low level cloud: 85%
Mid level cloud: 49%
High level cloud: 45%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

N
N

8 / 12 mph 47 / 43°F 97% 1016 mb
Low level cloud: 56%
Mid level cloud: 39%
High level cloud: 100%
Most Significant Cloud Type: low
81%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

NNW
NNW

7 / 10 mph 47 / 42°F 96% 1017 mb
Low level cloud: 41%
Mid level cloud: 14%
High level cloud: 12%
Most Significant Cloud Type: low
47%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

N
N

11 / 12 mph 55 / 50°F 81% 1019 mb
Low level cloud: 65%
Mid level cloud: 16%
High level cloud: 0%
Most Significant Cloud Type: low
71%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

N
N

11 / 13 mph 57 / 53°F 79% 1020 mb
Low level cloud: 62%
Mid level cloud: 45%
High level cloud: 1%
Most Significant Cloud Type: low
77%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

N
N

11 / 13 mph 59 / 56°F 77% 1021 mb
Low level cloud: 56%
Mid level cloud: 22%
High level cloud: 0%
Most Significant Cloud Type: low
63%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

NNE
NNE

8 / 11 mph 58 / 55°F 86% 1022 mb
Low level cloud: 9%
Mid level cloud: 26%
High level cloud: 8%
Most Significant Cloud Type: medium
51%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

NE
NE

5 / 8 mph 51 / 50°F 93% 1025 mb
Low level cloud: 9%
Mid level cloud: 23%
High level cloud: 2%
Most Significant Cloud Type: low
17%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Wed 08
May
00:00

NNE
NNE

4 / 8 mph 46 / 45°F 95% 1026 mb
Low level cloud: 15%
Mid level cloud: 6%
High level cloud: 18%
Most Significant Cloud Type: low
19%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

N
N

5 / 11 mph 44 / 41°F 95% 1027 mb
Low level cloud: 7%
Mid level cloud: 13%
High level cloud: 0%
Most Significant Cloud Type: low
11%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

N
N

6 / 9 mph 46 / 42°F 94% 1028 mb
Low level cloud: 17%
Mid level cloud: 6%
High level cloud: 0%
Most Significant Cloud Type: low
18%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

NNE
NNE

9 / 11 mph 56 / 52°F 80% 1029 mb
Low level cloud: 55%
Mid level cloud: 6%
High level cloud: 0%
Most Significant Cloud Type: low
56%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

NE
NE

11 / 12 mph 58 / 56°F 71% 1029 mb
Low level cloud: 96%
Mid level cloud: 5%
High level cloud: 0%
Most Significant Cloud Type: low
97%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

NE
NE

9 / 11 mph 59 / 56°F 75% 1029 mb
Low level cloud: 58%
Mid level cloud: 5%
High level cloud: 0%
Most Significant Cloud Type: low
59%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

NE
NE

7 / 10 mph 58 / 55°F 83% 1030 mb
Low level cloud: 38%
Mid level cloud: 3%
High level cloud: 0%
Most Significant Cloud Type: low
38%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

NE
NE

7 / 13 mph 50 / 47°F 92% 1031 mb
Low level cloud: 16%
Mid level cloud: 1%
High level cloud: 37%
Most Significant Cloud Type: low
20%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Thu 09
May
00:00

ENE
ENE

6 / 12 mph 45 / 42°F 96% 1031 mb
Low level cloud: 12%
Mid level cloud: 0%
High level cloud: 11%
Most Significant Cloud Type: low
12%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

ENE
ENE

4 / 9 mph 40 / 37°F 88% 1030 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 15%
Most Significant Cloud Type: high
14%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

ENE
ENE

5 / 9 mph 43 / 39°F 84% 1031 mb
Low level cloud: 0%
Mid level cloud: 3%
High level cloud: 42%
Most Significant Cloud Type: medium
4%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

E
E

8 / 9 mph 54 / 51°F 72% 1030 mb
Low level cloud: 0%
Mid level cloud: 11%
High level cloud: 88%
Most Significant Cloud Type: medium
14%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

NE
NE

5 / 6 mph 61 / 59°F 65% 1029 mb
Low level cloud: 16%
Mid level cloud: 16%
High level cloud: 7%
Most Significant Cloud Type: low
22%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

NE
NE

8 / 9 mph 63 / 61°F 66% 1027 mb
Low level cloud: 30%
Mid level cloud: 20%
High level cloud: 10%
Most Significant Cloud Type: low
38%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

NE
NE

7 / 10 mph 60 / 58°F 81% 1027 mb
Low level cloud: 8%
Mid level cloud: 13%
High level cloud: 21%
Most Significant Cloud Type: low
14%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

E
E

5 / 11 mph 50 / 48°F 92% 1028 mb
Low level cloud: 1%
Mid level cloud: 7%
High level cloud: 13%
Most Significant Cloud Type: medium
9%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
DayLocal TimeDirSpeed/
Gust
Temp/
Feels Like
HumidityPressureCloud AmountPrecip AmountWeather
Fri 10
May
00:00

SE
SE

2 / 5 mph 56 / 57°F 84% 1019 mb
Low level cloud: 15%
Mid level cloud: 0%
High level cloud: 10%
Most Significant Cloud Type: low
15%
0.0 In
06:00

WSW
WSW

4 / 7 mph 53 / 52°F 89% 1027 mb
Low level cloud: 71%
Mid level cloud: 44%
High level cloud: 5%
Most Significant Cloud Type: low
87%
0.0 In
12:00

ESE
ESE

9 / 19 mph 64 / 65°F 64% 1027 mb
Low level cloud: 20%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
19%
0.0 In
18:00

E
E

10 / 20 mph 66 / 66°F 80% 1018 mb
Low level cloud: 0%
Mid level cloud: 2%
High level cloud: 0%
Most Significant Cloud Type: medium
1%
0.0 In
Sat 11
May
00:00

ESE
ESE

5 / 11 mph 53 / 52°F 91% 1018 mb
Low level cloud: 0%
Mid level cloud: 60%
High level cloud: 100%
Most Significant Cloud Type: medium
65%
0.0 In
06:00

SSW
SSW

3 / 7 mph 59 / 59°F 89% 1020 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.0 In
12:00

ESE
ESE

5 / 11 mph 69 / 69°F 65% 1018 mb
Low level cloud: 5%
Mid level cloud: 1%
High level cloud: 17%
Most Significant Cloud Type: low
7%
0.0 In
18:00

E
E

8 / 16 mph 65 / 65°F 77% 1022 mb
Low level cloud: 0%
Mid level cloud: 1%
High level cloud: 0%
Most Significant Cloud Type: medium
1%
0.0 In
Sun 12
May
00:00

SSW
SSW

4 / 9 mph 59 / 59°F 92% 1017 mb
Low level cloud: 13%
Mid level cloud: 8%
High level cloud: 0%
Most Significant Cloud Type: low
15%
0.0 In
06:00

E
E

2 / 5 mph 57 / 58°F 87% 1022 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 1%
Most Significant Cloud Type: high
0%
0.0 In
12:00

SSW
SSW

11 / 24 mph 67 / 67°F 75% 1016 mb
Low level cloud: 87%
Mid level cloud: 27%
High level cloud: 11%
Most Significant Cloud Type: low
97%
0.0 In
18:00

ESE
ESE

2 / 5 mph 74 / 77°F 79% 1019 mb
Low level cloud: 9%
Mid level cloud: 20%
High level cloud: 3%
Most Significant Cloud Type: low
16%
0.0 In
Mon 13
May
00:00

SW
SW

6 / 13 mph 54 / 52°F 94% 1016 mb
Low level cloud: 3%
Mid level cloud: 3%
High level cloud: 100%
Most Significant Cloud Type: medium
14%
0.0 In
06:00

S
S

8 / 15 mph 52 / 49°F 92% 1014 mb
Low level cloud: 28%
Mid level cloud: 55%
High level cloud: 100%
Most Significant Cloud Type: low
59%
0.0 In
12:00

SSW
SSW

15 / 33 mph 63 / 63°F 88% 1012 mb
Low level cloud: 98%
Mid level cloud: 21%
High level cloud: 93%
Most Significant Cloud Type: low
100%
0.0 In
18:00

W
W

15 / 30 mph 58 / 55°F 84% 1012 mb
Low level cloud: 37%
Mid level cloud: 3%
High level cloud: 19%
Most Significant Cloud Type: low
40%
0.1 In
Tue 14
May
00:00

W
W

6 / 13 mph 53 / 51°F 96% 1009 mb
Low level cloud: 96%
Mid level cloud: 87%
High level cloud: 87%
Most Significant Cloud Type: low
100%
0.1 In
06:00

WNW
WNW

9 / 19 mph 45 / 40°F 93% 1014 mb
Low level cloud: 30%
Mid level cloud: 6%
High level cloud: 0%
Most Significant Cloud Type: low
32%
0.0 In
12:00

SW
SW

10 / 21 mph 60 / 60°F 62% 1008 mb
Low level cloud: 44%
Mid level cloud: 4%
High level cloud: 100%
Most Significant Cloud Type: low
57%
0.0 In
18:00

W
W

6 / 12 mph 52 / 51°F 83% 1012 mb
Low level cloud: 2%
Mid level cloud: 100%
High level cloud: 100%
Most Significant Cloud Type: medium
100%
0.0 In
Wed 15
May
00:00

SSW
SSW

8 / 16 mph 46 / 42°F 97% 1007 mb
Low level cloud: 27%
Mid level cloud: 49%
High level cloud: 75%
Most Significant Cloud Type: low
52%
0.0 In
06:00

SSW
SSW

3 / 6 mph 51 / 50°F 88% 1011 mb
Low level cloud: 3%
Mid level cloud: 2%
High level cloud: 4%
Most Significant Cloud Type: low
4%
0.0 In
12:00

WSW
WSW

10 / 21 mph 59 / 57°F 61% 1009 mb
Low level cloud: 44%
Mid level cloud: 32%
High level cloud: 11%
Most Significant Cloud Type: low
56%
0.0 In
18:00

SSE
SSE

11 / 23 mph 50 / 46°F 82% 1004 mb
Low level cloud: 9%
Mid level cloud: 76%
High level cloud: 100%
Most Significant Cloud Type: medium
100%
0.0 In
Thu 16
May
00:00

WSW
WSW

4 / 9 mph 46 / 44°F 90% 1012 mb
Low level cloud: 0%
Mid level cloud: 45%
High level cloud: 33%
Most Significant Cloud Type: medium
46%
0.0 In
06:00

SE
SE

14 / 30 mph 49 / 43°F 97% 996 mb
Low level cloud: 99%
Mid level cloud: 99%
High level cloud: 5%
Most Significant Cloud Type: low
100%
0.4 In
12:00

W
W

5 / 10 mph 64 / 64°F 62% 1014 mb
Low level cloud: 12%
Mid level cloud: 11%
High level cloud: 19%
Most Significant Cloud Type: low
17%
0.0 In
18:00

WSW
WSW

9 / 19 mph 56 / 53°F 91% 996 mb
Low level cloud: 15%
Mid level cloud: 25%
High level cloud: 100%
Most Significant Cloud Type: low
35%
0.3 In
Fri 17
May
00:00

WSW
WSW

5 / 11 mph 50 / 48°F 94% 1015 mb
Low level cloud: 4%
Mid level cloud: 23%
High level cloud: 0%
Most Significant Cloud Type: medium
32%
0.1 In
06:00

SSE
SSE

4 / 9 mph 48 / 47°F 96% 1000 mb
Low level cloud: 63%
Mid level cloud: 9%
High level cloud: 0%
Most Significant Cloud Type: low
65%
0.0 In
12:00

S
S

17 / 35 mph 55 / 51°F 80% 1010 mb
Low level cloud: 23%
Mid level cloud: 48%
High level cloud: 100%
Most Significant Cloud Type: low
51%
0.0 In
18:00

SSE
SSE

7 / 14 mph 59 / 58°F 83% 1001 mb
Low level cloud: 6%
Mid level cloud: 15%
High level cloud: 0%
Most Significant Cloud Type: low
10%
0.1 In
Sat 18
May
00:00

SW
SW

10 / 21 mph 48 / 44°F 97% 1005 mb
Low level cloud: 70%
Mid level cloud: 23%
High level cloud: 0%
Most Significant Cloud Type: low
77%
0.3 In
06:00

ESE
ESE

9 / 18 mph 48 / 44°F 98% 1005 mb
Low level cloud: 89%
Mid level cloud: 43%
High level cloud: 32%
Most Significant Cloud Type: low
100%
0.0 In
12:00

W
W

12 / 26 mph 51 / 46°F 90% 1012 mb
Low level cloud: 96%
Mid level cloud: 43%
High level cloud: 0%
Most Significant Cloud Type: low
100%
0.1 In
18:00

ENE
ENE

13 / 28 mph 53 / 48°F 95% 1007 mb
Low level cloud: 92%
Mid level cloud: 100%
High level cloud: 100%
Most Significant Cloud Type: low
100%
0.1 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