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Prospect 14 Day Long Range Forecast

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

Galway, Ireland

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

Reviewing the forecast for Prospect Over the next 14 days and the average daytime maximum temperature will be around 17°C, with a high for the two weeks of 23°C expected on the afternoon of Monday 3rd. The mean minimum temperature will be 7°C, dipping to its lowest on the morning of Thursday 6th at 4°C. Expect the coming 14 days to have most days seeing a little rain. The indicators are that Tuesday 28th will have the most precipitation with an accumulation of around 6.0mm. On the whole winds are likely to be moderate.

DayLocal TimeDirSpeed/
Gust		Temp/
Feels Like		HumidityPressureCloud AmountPrecip AmountWeather
Mon 27
May		15:00

SW
SW

 7 / 8 mph 61 / 58°F 68% 1010 mb
Low level cloud: 58%
Mid level cloud: 26%
High level cloud: 0%
Most Significant Cloud Type: low
66%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

WSW
WSW

 6 / 8 mph 59 / 57°F 82% 1009 mb
Low level cloud: 37%
Mid level cloud: 31%
High level cloud: 0%
Most Significant Cloud Type: low
47%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

S
S

 2 / 5 mph 50 / 49°F 92% 1009 mb
Low level cloud: 11%
Mid level cloud: 19%
High level cloud: 100%
Most Significant Cloud Type: medium
53%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Tue 28
May		00:00

SE
SE

 6 / 12 mph 49 / 47°F 97% 1009 mb
Low level cloud: 30%
Mid level cloud: 67%
High level cloud: 17%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

SE
SE

 8 / 13 mph 51 / 47°F 98% 1006 mb
Low level cloud: 92%
Mid level cloud: 63%
High level cloud: 92%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

S
S

 6 / 10 mph 54 / 51°F 99% 1006 mb
Low level cloud: 94%
Mid level cloud: 44%
High level cloud: 24%
Most Significant Cloud Type: low
100%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
09:00

WSW
WSW

 9 / 14 mph 56 / 54°F 96% 1006 mb
Low level cloud: 80%
Mid level cloud: 21%
High level cloud: 15%
Most Significant Cloud Type: low
89%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

WSW
WSW

 10 / 15 mph 57 / 53°F 95% 1006 mb
Low level cloud: 72%
Mid level cloud: 16%
High level cloud: 0%
Most Significant Cloud Type: low
77%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
15:00

W
W

 17 / 22 mph 63 / 62°F 69% 1005 mb
Low level cloud: 24%
Mid level cloud: 16%
High level cloud: 4%
Most Significant Cloud Type: low
30%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

W
W

 14 / 18 mph 59 / 55°F 76% 1006 mb
Low level cloud: 3%
Mid level cloud: 20%
High level cloud: 0%
Most Significant Cloud Type: medium
29%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

WSW
WSW

 10 / 17 mph 52 / 47°F 90% 1008 mb
Low level cloud: 41%
Mid level cloud: 22%
High level cloud: 0%
Most Significant Cloud Type: low
48%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Wed 29
May		00:00

SW
SW

 7 / 15 mph 47 / 44°F 97% 1009 mb
Low level cloud: 40%
Mid level cloud: 14%
High level cloud: 0%
Most Significant Cloud Type: low
44%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

SW
SW

 8 / 15 mph 48 / 44°F 95% 1009 mb
Low level cloud: 56%
Mid level cloud: 45%
High level cloud: 0%
Most Significant Cloud Type: low
71%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

WSW
WSW

 8 / 13 mph 53 / 48°F 92% 1009 mb
Low level cloud: 30%
Mid level cloud: 64%
High level cloud: 0%
Most Significant Cloud Type: low
52%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

WNW
WNW

 8 / 11 mph 55 / 51°F 93% 1010 mb
Low level cloud: 33%
Mid level cloud: 44%
High level cloud: 0%
Most Significant Cloud Type: low
48%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

NW
NW

 12 / 15 mph 61 / 60°F 76% 1011 mb
Low level cloud: 59%
Mid level cloud: 27%
High level cloud: 0%
Most Significant Cloud Type: low
67%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

NW
NW

 12 / 16 mph 62 / 60°F 73% 1011 mb
Low level cloud: 59%
Mid level cloud: 45%
High level cloud: 0%
Most Significant Cloud Type: low
74%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

NW
NW

 12 / 18 mph 58 / 54°F 76% 1012 mb
Low level cloud: 0%
Mid level cloud: 35%
High level cloud: 0%
Most Significant Cloud Type: medium
35%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

WNW
WNW

 11 / 19 mph 50 / 46°F 88% 1014 mb
Low level cloud: 20%
Mid level cloud: 68%
High level cloud: 0%
Most Significant Cloud Type: medium
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Thu 30
May		00:00

WNW
WNW

 9 / 16 mph 45 / 41°F 96% 1014 mb
Low level cloud: 38%
Mid level cloud: 12%
High level cloud: 0%
Most Significant Cloud Type: low
42%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

WNW
WNW

 10 / 15 mph 48 / 44°F 94% 1014 mb
Low level cloud: 67%
Mid level cloud: 45%
High level cloud: 0%
Most Significant Cloud Type: low
82%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

NW
NW

 12 / 18 mph 50 / 45°F 94% 1016 mb
Low level cloud: 50%
Mid level cloud: 28%
High level cloud: 0%
Most Significant Cloud Type: low
59%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

NNW
NNW

 16 / 19 mph 58 / 54°F 75% 1017 mb
Low level cloud: 75%
Mid level cloud: 19%
High level cloud: 0%
Most Significant Cloud Type: low
81%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

NNW
NNW

 17 / 21 mph 61 / 60°F 72% 1018 mb
Low level cloud: 57%
Mid level cloud: 18%
High level cloud: 0%
Most Significant Cloud Type: low
63%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

NNW
NNW

 14 / 17 mph 61 / 60°F 72% 1020 mb
Low level cloud: 66%
Mid level cloud: 9%
High level cloud: 0%
Most Significant Cloud Type: low
69%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

NNW
NNW

 15 / 19 mph 58 / 53°F 77% 1021 mb
Low level cloud: 24%
Mid level cloud: 4%
High level cloud: 11%
Most Significant Cloud Type: low
26%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

NNW
NNW

 12 / 20 mph 49 / 44°F 84% 1024 mb
Low level cloud: 25%
Mid level cloud: 12%
High level cloud: 0%
Most Significant Cloud Type: low
29%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Fri 31
May		00:00

NW
NW

 7 / 15 mph 43 / 39°F 95% 1024 mb
Low level cloud: 23%
Mid level cloud: 8%
High level cloud: 5%
Most Significant Cloud Type: low
26%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

NW
NW

 6 / 13 mph 42 / 38°F 99% 1025 mb
Low level cloud: 75%
Mid level cloud: 16%
High level cloud: 0%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

NW
NW

 8 / 12 mph 47 / 43°F 95% 1025 mb
Low level cloud: 64%
Mid level cloud: 23%
High level cloud: 2%
Most Significant Cloud Type: low
71%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

NNW
NNW

 12 / 14 mph 56 / 52°F 69% 1025 mb
Low level cloud: 34%
Mid level cloud: 24%
High level cloud: 32%
Most Significant Cloud Type: low
46%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

NNW
NNW

 12 / 13 mph 61 / 60°F 60% 1025 mb
Low level cloud: 17%
Mid level cloud: 23%
High level cloud: 100%
Most Significant Cloud Type: low
36%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

NNW
NNW

 11 / 14 mph 63 / 61°F 59% 1025 mb
Low level cloud: 0%
Mid level cloud: 43%
High level cloud: 98%
Most Significant Cloud Type: medium
47%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

NNW
NNW

 11 / 16 mph 60 / 57°F 67% 1025 mb
Low level cloud: 0%
Mid level cloud: 25%
High level cloud: 17%
Most Significant Cloud Type: medium
25%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

NNW
NNW

 8 / 16 mph 50 / 46°F 81% 1027 mb
Low level cloud: 0%
Mid level cloud: 31%
High level cloud: 11%
Most Significant Cloud Type: medium
31%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Sat 01
Jun		00:00

NNW
NNW

 6 / 12 mph 43 / 40°F 93% 1027 mb
Low level cloud: 0%
Mid level cloud: 13%
High level cloud: 13%
Most Significant Cloud Type: medium
13%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

NNW
NNW

 5 / 11 mph 41 / 37°F 96% 1027 mb
Low level cloud: 0%
Mid level cloud: 11%
High level cloud: 3%
Most Significant Cloud Type: medium
11%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

NNW
NNW

 4 / 8 mph 45 / 42°F 90% 1027 mb
Low level cloud: 0%
Mid level cloud: 10%
High level cloud: 7%
Most Significant Cloud Type: medium
10%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

N
N

 9 / 11 mph 57 / 54°F 59% 1027 mb
Low level cloud: 0%
Mid level cloud: 2%
High level cloud: 1%
Most Significant Cloud Type: medium
2%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

N
N

 10 / 11 mph 64 / 62°F 50% 1026 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 19%
Most Significant Cloud Type: high
19%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

N
N

 9 / 11 mph 66 / 65°F 48% 1026 mb
Low level cloud: 0%
Mid level cloud: 1%
High level cloud: 0%
Most Significant Cloud Type: high
0%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

NNW
NNW

 9 / 13 mph 63 / 61°F 67% 1026 mb
Low level cloud: 0%
Mid level cloud: 5%
High level cloud: 0%
Most Significant Cloud Type: medium
5%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

N
N

 5 / 11 mph 50 / 47°F 84% 1027 mb
Low level cloud: 0%
Mid level cloud: 4%
High level cloud: 0%
Most Significant Cloud Type: medium
3%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Sun 02
Jun		00:00

NNW
NNW

 4 / 9 mph 45 / 43°F 88% 1028 mb
Low level cloud: 0%
Mid level cloud: 2%
High level cloud: 0%
Most Significant Cloud Type: medium
1%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

NNW
NNW

 4 / 7 mph 42 / 40°F 90% 1028 mb
Low level cloud: 0%
Mid level cloud: 4%
High level cloud: 0%
Most Significant Cloud Type: medium
3%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

NNW
NNW

 3 / 5 mph 46 / 44°F 83% 1028 mb
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
09:00

N
N

 7 / 8 mph 58 / 56°F 67% 1027 mb
Low level cloud: 0%
Mid level cloud: 4%
High level cloud: 7%
Most Significant Cloud Type: medium
3%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

NNE
NNE

 9 / 10 mph 67 / 65°F 63% 1027 mb
Low level cloud: 26%
Mid level cloud: 3%
High level cloud: 18%
Most Significant Cloud Type: low
28%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

NNE
NNE

 9 / 11 mph 70 / 68°F 61% 1026 mb
Low level cloud: 30%
Mid level cloud: 1%
High level cloud: 0%
Most Significant Cloud Type: low
30%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

NNE
NNE

 9 / 12 mph 66 / 64°F 77% 1027 mb
Low level cloud: 18%
Mid level cloud: 1%
High level cloud: 0%
Most Significant Cloud Type: low
17%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

NNW
NNW

 5 / 10 mph 59 / 57°F 90% 1028 mb
Low level cloud: 59%
Mid level cloud: 0%
High level cloud: 35%
Most Significant Cloud Type: low
63%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
DayLocal TimeDirSpeed/
Gust		Temp/
Feels Like		HumidityPressureCloud AmountPrecip AmountWeather
Mon 03
Jun		00:00

NW
NW

 6 / 13 mph 49 / 47°F 97% 1011 mb
Low level cloud: 98%
Mid level cloud: 61%
High level cloud: 32%
Most Significant Cloud Type: low
100%
0.0 In
06:00

W
W

 5 / 11 mph 53 / 52°F 99% 1021 mb
Low level cloud: 89%
Mid level cloud: 68%
High level cloud: 100%
Most Significant Cloud Type: low
100%
0.0 In
12:00

NNE
NNE

 10 / 21 mph 68 / 68°F 68% 1028 mb
Low level cloud: 74%
Mid level cloud: 7%
High level cloud: 7%
Most Significant Cloud Type: low
76%
0.0 In
18:00

NNW
NNW

 5 / 10 mph 69 / 69°F 82% 1031 mb
Low level cloud: 82%
Mid level cloud: 11%
High level cloud: 97%
Most Significant Cloud Type: low
97%
0.0 In
Tue 04
Jun		00:00

N
N

 2 / 4 mph 59 / 60°F 94% 1029 mb
Low level cloud: 18%
Mid level cloud: 9%
High level cloud: 0%
Most Significant Cloud Type: low
21%
0.0 In
06:00

N
N

 4 / 7 mph 56 / 56°F 92% 1027 mb
Low level cloud: 28%
Mid level cloud: 7%
High level cloud: 0%
Most Significant Cloud Type: low
30%
0.0 In
12:00

N
N

 6 / 13 mph 71 / 71°F 67% 1028 mb
Low level cloud: 23%
Mid level cloud: 1%
High level cloud: 0%
Most Significant Cloud Type: low
23%
0.0 In
18:00

NNW
NNW

 7 / 14 mph 65 / 65°F 79% 1029 mb
Low level cloud: 0%
Mid level cloud: 45%
High level cloud: 100%
Most Significant Cloud Type: medium
48%
0.0 In
Wed 05
Jun		00:00

NW
NW

 3 / 6 mph 55 / 56°F 82% 1028 mb
Low level cloud: 19%
Mid level cloud: 8%
High level cloud: 100%
Most Significant Cloud Type: low
34%
0.0 In
06:00

WNW
WNW

 3 / 6 mph 52 / 52°F 89% 1025 mb
Low level cloud: 24%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
24%
0.0 In
12:00

NW
NW

 5 / 10 mph 68 / 68°F 59% 1026 mb
Low level cloud: 0%
Mid level cloud: 1%
High level cloud: 2%
Most Significant Cloud Type: high
1%
0.0 In
18:00

NW
NW

 12 / 26 mph 53 / 50°F 63% 1020 mb
Low level cloud: 16%
Mid level cloud: 11%
High level cloud: 0%
Most Significant Cloud Type: low
19%
0.0 In
Thu 06
Jun		00:00

W
W

 5 / 10 mph 50 / 48°F 96% 1022 mb
Low level cloud: 11%
Mid level cloud: 5%
High level cloud: 11%
Most Significant Cloud Type: low
14%
0.0 In
06:00

WNW
WNW

 11 / 22 mph 48 / 43°F 80% 1018 mb
Low level cloud: 5%
Mid level cloud: 97%
High level cloud: 0%
Most Significant Cloud Type: medium
100%
0.0 In
12:00

W
W

 8 / 16 mph 61 / 61°F 72% 1017 mb
Low level cloud: 87%
Mid level cloud: 5%
High level cloud: 4%
Most Significant Cloud Type: low
89%
0.0 In
18:00

NNW
NNW

 15 / 31 mph 54 / 49°F 67% 1019 mb
Low level cloud: 1%
Mid level cloud: 9%
High level cloud: 0%
Most Significant Cloud Type: medium
12%
0.1 In
Fri 07
Jun		00:00

NW
NW

 4 / 9 mph 48 / 46°F 97% 1016 mb
Low level cloud: 65%
Mid level cloud: 16%
High level cloud: 0%
Most Significant Cloud Type: low
70%
0.0 In
06:00

W
W

 5 / 11 mph 44 / 41°F 90% 1022 mb
Low level cloud: 48%
Mid level cloud: 3%
High level cloud: 22%
Most Significant Cloud Type: low
51%
0.0 In
12:00

WSW
WSW

 7 / 14 mph 63 / 63°F 62% 1013 mb
Low level cloud: 56%
Mid level cloud: 31%
High level cloud: 100%
Most Significant Cloud Type: low
78%
0.0 In
18:00

WNW
WNW

 10 / 21 mph 54 / 51°F 70% 1021 mb
Low level cloud: 46%
Mid level cloud: 72%
High level cloud: 100%
Most Significant Cloud Type: low
82%
0.0 In
Sat 08
Jun		00:00

SW
SW

 8 / 17 mph 47 / 43°F 98% 1009 mb
Low level cloud: 99%
Mid level cloud: 4%
High level cloud: 57%
Most Significant Cloud Type: low
100%
0.0 In
06:00

SW
SW

 9 / 19 mph 47 / 42°F 96% 1016 mb
Low level cloud: 96%
Mid level cloud: 90%
High level cloud: 96%
Most Significant Cloud Type: low
100%
0.0 In
12:00

WSW
WSW

 14 / 29 mph 57 / 53°F 83% 1004 mb
Low level cloud: 93%
Mid level cloud: 3%
High level cloud: 2%
Most Significant Cloud Type: low
94%
0.0 In
18:00

WNW
WNW

 8 / 16 mph 53 / 51°F 93% 1014 mb
Low level cloud: 75%
Mid level cloud: 97%
High level cloud: 5%
Most Significant Cloud Type: low
100%
0.1 In
Sun 09
Jun		00:00

WNW
WNW

 10 / 21 mph 51 / 48°F 72% 1007 mb
Low level cloud: 88%
Mid level cloud: 2%
High level cloud: 0%
Most Significant Cloud Type: low
88%
0.0 In
06:00

N
N

 3 / 6 mph 48 / 47°F 96% 1016 mb
Low level cloud: 59%
Mid level cloud: 0%
High level cloud: 84%
Most Significant Cloud Type: low
68%
0.0 In
12:00

NNW
NNW

 12 / 25 mph 56 / 53°F 54% 1016 mb
Low level cloud: 59%
Mid level cloud: 4%
High level cloud: 14%
Most Significant Cloud Type: low
61%
0.0 In
18:00

ESE
ESE

 4 / 8 mph 58 / 59°F 72% 1015 mb
Low level cloud: 15%
Mid level cloud: 75%
High level cloud: 100%
Most Significant Cloud Type: medium
100%
0.0 In
Mon 10
Jun		00:00

NNW
NNW

 3 / 7 mph 42 / 40°F 92% 1023 mb
Low level cloud: 0%
Mid level cloud: 5%
High level cloud: 1%
Most Significant Cloud Type: medium
5%
0.0 In
06:00

S
S

 2 / 5 mph 50 / 50°F 95% 1013 mb
Low level cloud: 82%
Mid level cloud: 100%
High level cloud: 100%
Most Significant Cloud Type: low
100%
0.0 In
12:00

W
W

 4 / 9 mph 59 / 59°F 54% 1025 mb
Low level cloud: 72%
Mid level cloud: 20%
High level cloud: 0%
Most Significant Cloud Type: low
78%
0.0 In
18:00

ENE
ENE

 3 / 7 mph 58 / 58°F 85% 1014 mb
Low level cloud: 59%
Mid level cloud: 46%
High level cloud: 0%
Most Significant Cloud Type: low
75%
0.0 In
Tue 11
Jun		00:00

W
W

 3 / 6 mph 47 / 46°F 88% 1026 mb
Low level cloud: 7%
Mid level cloud: 6%
High level cloud: 0%
Most Significant Cloud Type: low
9%
0.0 In
06:00

N
N

 1 / 2 mph 52 / 52°F 90% 1018 mb
Low level cloud: 4%
Mid level cloud: 24%
High level cloud: 14%
Most Significant Cloud Type: medium
35%
0.0 In
12:00

SW
SW

 7 / 14 mph 64 / 64°F 60% 1025 mb
Low level cloud: 38%
Mid level cloud: 7%
High level cloud: 0%
Most Significant Cloud Type: low
40%
0.0 In
18:00

NW
NW

 7 / 15 mph 62 / 62°F 83% 1020 mb
Low level cloud: 20%
Mid level cloud: 32%
High level cloud: 73%
Most Significant Cloud Type: low
39%
0.0 In

Other Locations Near to Prospect

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