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Grasscroft 14 Day Long Range Forecast

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

Tameside, United Kingdom

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

For Grasscroft in the coming two weeks the average daytime maximum temperature will be around 5°C, with a high for the two weeks of 7°C expected on the morning of Sunday 16th. The mean minimum temperature will be 1°C, dipping to its lowest on the morning of Thursday 20th at -2°C. The fortnight ahead will have some days seeing a little precipitation and some days with rain, sleet or snow. The current forecast indicates Monday 24th will have the most precipitation with an accumulation of around 35.0mm. On the whole winds are likely to be moderate.

DayLocal TimeDirSpeed/
Gust		Temp/
Feels Like		HumidityPressureCloud AmountPrecip AmountWeather
Sun 16
Nov		15:00

NNE
NNE

 7 / 9 mph 44 / 40°F 68% 1016 mb
Low level cloud: 42%
Mid level cloud: 4%
High level cloud: 0%
Most Significant Cloud Type: low
43%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

NNE
NNE

 7 / 9 mph 44 / 39°F 68% 1017 mb
Low level cloud: 63%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
63%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

NW
NW

 4 / 5 mph 42 / 39°F 74% 1018 mb
Low level cloud: 81%
Mid level cloud: 18%
High level cloud: 0%
Most Significant Cloud Type: low
87%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Mon 17
Nov		00:00

NNW
NNW

 6 / 13 mph 36 / 31°F 77% 1020 mb
Low level cloud: 39%
Mid level cloud: 11%
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

N
N

 7 / 13 mph 36 / 30°F 77% 1021 mb
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
06:00

N
N

 11 / 20 mph 33 / 25°F 75% 1023 mb
Low level cloud: 68%
Mid level cloud: 6%
High level cloud: 0%
Most Significant Cloud Type: low
69%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

NW
NW

 4 / 5 mph 37 / 33°F 80% 1025 mb
Low level cloud: 1%
Mid level cloud: 15%
High level cloud: 1%
Most Significant Cloud Type: medium
17%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

NNW
NNW

 7 / 8 mph 40 / 35°F 64% 1026 mb
Low level cloud: 6%
Mid level cloud: 10%
High level cloud: 5%
Most Significant Cloud Type: low
10%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

NW
NW

 5 / 6 mph 42 / 39°F 73% 1027 mb
Low level cloud: 13%
Mid level cloud: 10%
High level cloud: 10%
Most Significant Cloud Type: low
17%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

WSW
WSW

 4 / 4 mph 42 / 39°F 82% 1027 mb
Low level cloud: 0%
Mid level cloud: 3%
High level cloud: 15%
Most Significant Cloud Type: medium
3%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

WSW
WSW

 5 / 6 mph 38 / 34°F 81% 1026 mb
Low level cloud: 8%
Mid level cloud: 45%
High level cloud: 3%
Most Significant Cloud Type: medium
66%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Tue 18
Nov		00:00

SW
SW

 5 / 6 mph 36 / 32°F 83% 1024 mb
Low level cloud: 35%
Mid level cloud: 7%
High level cloud: 33%
Most Significant Cloud Type: low
41%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

WSW
WSW

 7 / 11 mph 34 / 28°F 96% 1022 mb
Low level cloud: 92%
Mid level cloud: 44%
High level cloud: 44%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

WSW
WSW

 5 / 8 mph 33 / 28°F 97% 1020 mb
Low level cloud: 82%
Mid level cloud: 46%
High level cloud: 22%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

SW
SW

 6 / 9 mph 36 / 31°F 94% 1018 mb
Low level cloud: 90%
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
12:00

SW
SW

 8 / 9 mph 39 / 33°F 98% 1014 mb
Low level cloud: 95%
Mid level cloud: 45%
High level cloud: 0%
Most Significant Cloud Type: low
100%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
15:00

WSW
WSW

 10 / 12 mph 41 / 35°F 95% 1009 mb
Low level cloud: 97%
Mid level cloud: 48%
High level cloud: 0%
Most Significant Cloud Type: low
100%
Expect 0.2 In of precipitation over the past 3 hours.
0.2 In
18:00

W
W

 10 / 13 mph 39 / 33°F 97% 1006 mb
Low level cloud: 96%
Mid level cloud: 44%
High level cloud: 0%
Most Significant Cloud Type: low
100%
Expect 0.3 In of precipitation over the past 3 hours.
0.3 In
21:00

W
W

 5 / 8 mph 37 / 33°F 95% 1004 mb
Low level cloud: 86%
Mid level cloud: 86%
High level cloud: 0%
Most Significant Cloud Type: low
100%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
Wed 19
Nov		00:00

NNE
NNE

 4 / 6 mph 37 / 33°F 95% 1003 mb
Low level cloud: 66%
Mid level cloud: 88%
High level cloud: 0%
Most Significant Cloud Type: low
96%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
03:00

NNE
NNE

 9 / 12 mph 35 / 28°F 99% 1004 mb
Low level cloud: 92%
Mid level cloud: 100%
High level cloud: 8%
Most Significant Cloud Type: low
100%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
06:00

NNE
NNE

 17 / 26 mph 37 / 28°F 88% 1006 mb
Low level cloud: 90%
Mid level cloud: 45%
High level cloud: 100%
Most Significant Cloud Type: low
100%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
09:00

NNE
NNE

 16 / 22 mph 36 / 27°F 88% 1010 mb
Low level cloud: 66%
Mid level cloud: 30%
High level cloud: 16%
Most Significant Cloud Type: low
78%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

N
N

 15 / 18 mph 37 / 28°F 83% 1012 mb
Low level cloud: 54%
Mid level cloud: 22%
High level cloud: 0%
Most Significant Cloud Type: low
61%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

N
N

 11 / 15 mph 35 / 27°F 79% 1013 mb
Low level cloud: 39%
Mid level cloud: 86%
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

 8 / 11 mph 32 / 25°F 80% 1014 mb
Low level cloud: 5%
Mid level cloud: 13%
High level cloud: 0%
Most Significant Cloud Type: medium
26%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

NNW
NNW

 6 / 9 mph 31 / 25°F 82% 1015 mb
Low level cloud: 0%
Mid level cloud: 15%
High level cloud: 0%
Most Significant Cloud Type: medium
15%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Thu 20
Nov		00:00

NW
NW

 5 / 8 mph 30 / 24°F 83% 1015 mb
Low level cloud: 0%
Mid level cloud: 45%
High level cloud: 1%
Most Significant Cloud Type: medium
45%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

WNW
WNW

 5 / 8 mph 29 / 24°F 82% 1015 mb
Low level cloud: 0%
Mid level cloud: 33%
High level cloud: 3%
Most Significant Cloud Type: medium
32%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

WNW
WNW

 7 / 11 mph 29 / 22°F 76% 1015 mb
Low level cloud: 0%
Mid level cloud: 15%
High level cloud: 0%
Most Significant Cloud Type: medium
14%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

NW
NW

 8 / 11 mph 32 / 24°F 92% 1016 mb
Low level cloud: 93%
Mid level cloud: 45%
High level cloud: 0%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

N
N

 10 / 12 mph 38 / 31°F 84% 1017 mb
Low level cloud: 89%
Mid level cloud: 14%
High level cloud: 0%
Most Significant Cloud Type: low
94%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

N
N

 9 / 12 mph 36 / 29°F 87% 1019 mb
Low level cloud: 85%
Mid level cloud: 60%
High level cloud: 0%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

NNW
NNW

 4 / 7 mph 33 / 29°F 88% 1021 mb
Low level cloud: 1%
Mid level cloud: 6%
High level cloud: 0%
Most Significant Cloud Type: medium
7%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

WNW
WNW

 3 / 6 mph 31 / 28°F 87% 1023 mb
Low level cloud: 0%
Mid level cloud: 1%
High level cloud: 1%
Most Significant Cloud Type: high
1%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Fri 21
Nov		00:00

WNW
WNW

 3 / 5 mph 32 / 29°F 84% 1023 mb
Low level cloud: 4%
Mid level cloud: 8%
High level cloud: 14%
Most Significant Cloud Type: low
8%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

W
W

 4 / 6 mph 31 / 27°F 83% 1024 mb
Low level cloud: 0%
Mid level cloud: 21%
High level cloud: 99%
Most Significant Cloud Type: medium
24%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

W
W

 4 / 8 mph 29 / 25°F 82% 1024 mb
Low level cloud: 0%
Mid level cloud: 90%
High level cloud: 98%
Most Significant Cloud Type: medium
93%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

WSW
WSW

 3 / 6 mph 32 / 29°F 76% 1025 mb
Low level cloud: 0%
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
12:00

SW
SW

 4 / 7 mph 36 / 32°F 74% 1024 mb
Low level cloud: 0%
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
15:00

SW
SW

 6 / 9 mph 37 / 32°F 82% 1023 mb
Low level cloud: 16%
Mid level cloud: 55%
High level cloud: 62%
Most Significant Cloud Type: medium
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

SW
SW

 9 / 13 mph 36 / 29°F 85% 1022 mb
Low level cloud: 17%
Mid level cloud: 99%
High level cloud: 84%
Most Significant Cloud Type: medium
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

SSW
SSW

 9 / 18 mph 33 / 26°F 83% 1020 mb
Low level cloud: 27%
Mid level cloud: 44%
High level cloud: 100%
Most Significant Cloud Type: low
53%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Sat 22
Nov		00:00

SSW
SSW

 11 / 19 mph 37 / 29°F 83% 1017 mb
Low level cloud: 73%
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
03:00

SSW
SSW

 15 / 21 mph 39 / 31°F 91% 1013 mb
Low level cloud: 94%
Mid level cloud: 43%
High level cloud: 100%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

SSW
SSW

 15 / 23 mph 40 / 32°F 94% 1009 mb
Low level cloud: 95%
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
09:00

S
S

 18 / 27 mph 43 / 34°F 94% 1004 mb
Low level cloud: 100%
Mid level cloud: 100%
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

W
W

 20 / 28 mph 44 / 35°F 94% 1003 mb
Low level cloud: 96%
Mid level cloud: 27%
High level cloud: 0%
Most Significant Cloud Type: low
100%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
15:00

W
W

 12 / 17 mph 42 / 35°F 95% 1006 mb
Low level cloud: 94%
Mid level cloud: 44%
High level cloud: 0%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

WSW
WSW

 9 / 15 mph 41 / 35°F 95% 1007 mb
Low level cloud: 71%
Mid level cloud: 44%
High level cloud: 2%
Most Significant Cloud Type: low
86%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

WSW
WSW

 10 / 15 mph 42 / 35°F 93% 1007 mb
Low level cloud: 71%
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
DayLocal TimeDirSpeed/
Gust		Temp/
Feels Like		HumidityPressureCloud AmountPrecip AmountWeather
Sun 23
Nov		00:00

W
W

 20 / 31 mph 42 / 33°F 81% 1000 mb
Low level cloud: 88%
Mid level cloud: 46%
High level cloud: 0%
Most Significant Cloud Type: low
100%
0.0 In
06:00

SW
SW

 19 / 40 mph 46 / 38°F 91% 1011 mb
Low level cloud: 68%
Mid level cloud: 4%
High level cloud: 100%
Most Significant Cloud Type: low
80%
0.0 In
12:00

WSW
WSW

 9 / 13 mph 45 / 41°F 91% 1012 mb
Low level cloud: 87%
Mid level cloud: 21%
High level cloud: 100%
Most Significant Cloud Type: low
100%
0.0 In
18:00

WNW
WNW

 12 / 16 mph 50 / 46°F 90% 1005 mb
Low level cloud: 36%
Mid level cloud: 12%
High level cloud: 0%
Most Significant Cloud Type: low
39%
0.0 In
Mon 24
Nov		00:00

WSW
WSW

 7 / 11 mph 39 / 34°F 94% 1006 mb
Low level cloud: 20%
Mid level cloud: 16%
High level cloud: 6%
Most Significant Cloud Type: low
26%
0.0 In
06:00

WSW
WSW

 4 / 6 mph 39 / 36°F 89% 1012 mb
Low level cloud: 1%
Mid level cloud: 5%
High level cloud: 13%
Most Significant Cloud Type: medium
6%
0.0 In
12:00

SSW
SSW

 8 / 12 mph 47 / 44°F 88% 1015 mb
Low level cloud: 51%
Mid level cloud: 29%
High level cloud: 20%
Most Significant Cloud Type: low
63%
0.0 In
18:00

W
W

 18 / 32 mph 49 / 42°F 95% 973 mb
Low level cloud: 85%
Mid level cloud: 96%
High level cloud: 100%
Most Significant Cloud Type: low
100%
0.0 In
Tue 25
Nov		00:00

NNW
NNW

 6 / 10 mph 39 / 34°F 99% 987 mb
Low level cloud: 98%
Mid level cloud: 100%
High level cloud: 100%
Most Significant Cloud Type: low
100%
0.0 In
06:00

WNW
WNW

 37 / 67 mph 41 / 28°F 94% 976 mb
Low level cloud: 95%
Mid level cloud: 59%
High level cloud: 0%
Most Significant Cloud Type: low
100%
0.7 In
12:00

N
N

 7 / 11 mph 44 / 40°F 84% 1001 mb
Low level cloud: 15%
Mid level cloud: 1%
High level cloud: 11%
Most Significant Cloud Type: low
17%
0.1 In
18:00

WNW
WNW

 24 / 44 mph 46 / 38°F 81% 987 mb
Low level cloud: 68%
Mid level cloud: 44%
High level cloud: 31%
Most Significant Cloud Type: low
87%
0.7 In
Wed 26
Nov		00:00

SSW
SSW

 4 / 7 mph 41 / 38°F 92% 1008 mb
Low level cloud: 0%
Mid level cloud: 5%
High level cloud: 2%
Most Significant Cloud Type: medium
5%
0.0 In
06:00

WNW
WNW

 9 / 16 mph 40 / 34°F 91% 987 mb
Low level cloud: 35%
Mid level cloud: 23%
High level cloud: 79%
Most Significant Cloud Type: low
52%
0.0 In
12:00

SW
SW

 4 / 6 mph 43 / 41°F 89% 1009 mb
Low level cloud: 50%
Mid level cloud: 45%
High level cloud: 100%
Most Significant Cloud Type: low
77%
0.0 In
18:00

WNW
WNW

 11 / 20 mph 42 / 35°F 85% 990 mb
Low level cloud: 55%
Mid level cloud: 18%
High level cloud: 0%
Most Significant Cloud Type: low
61%
0.0 In
Thu 27
Nov		00:00

SW
SW

 4 / 6 mph 39 / 37°F 96% 1012 mb
Low level cloud: 41%
Mid level cloud: 12%
High level cloud: 0%
Most Significant Cloud Type: low
45%
0.0 In
06:00

NE
NE

 17 / 32 mph 40 / 31°F 92% 998 mb
Low level cloud: 97%
Mid level cloud: 54%
High level cloud: 2%
Most Significant Cloud Type: low
100%
0.1 In
12:00

SSW
SSW

 4 / 8 mph 44 / 41°F 87% 1014 mb
Low level cloud: 25%
Mid level cloud: 44%
High level cloud: 62%
Most Significant Cloud Type: low
48%
0.0 In
18:00

NNE
NNE

 13 / 26 mph 43 / 36°F 82% 1014 mb
Low level cloud: 85%
Mid level cloud: 1%
High level cloud: 0%
Most Significant Cloud Type: low
84%
0.1 In
Fri 28
Nov		00:00

SSW
SSW

 9 / 15 mph 45 / 41°F 97% 1006 mb
Low level cloud: 92%
Mid level cloud: 49%
High level cloud: 100%
Most Significant Cloud Type: low
100%
0.1 In
06:00

N
N

 6 / 12 mph 40 / 35°F 89% 1020 mb
Low level cloud: 10%
Mid level cloud: 0%
High level cloud: 3%
Most Significant Cloud Type: low
9%
0.0 In
12:00

SW
SW

 17 / 29 mph 52 / 47°F 97% 1004 mb
Low level cloud: 95%
Mid level cloud: 68%
High level cloud: 4%
Most Significant Cloud Type: low
100%
0.1 In
18:00

NNW
NNW

 3 / 6 mph 46 / 45°F 88% 1024 mb
Low level cloud: 29%
Mid level cloud: 18%
High level cloud: 5%
Most Significant Cloud Type: low
35%
0.0 In
Sat 29
Nov		00:00

SW
SW

 26 / 44 mph 52 / 46°F 88% 997 mb
Low level cloud: 98%
Mid level cloud: 69%
High level cloud: 0%
Most Significant Cloud Type: low
100%
0.0 In
06:00

SW
SW

 5 / 11 mph 39 / 35°F 86% 1022 mb
Low level cloud: 25%
Mid level cloud: 50%
High level cloud: 98%
Most Significant Cloud Type: low
54%
0.0 In
12:00

WSW
WSW

 21 / 38 mph 45 / 37°F 70% 1009 mb
Low level cloud: 30%
Mid level cloud: 5%
High level cloud: 17%
Most Significant Cloud Type: low
33%
0.1 In
18:00

WSW
WSW

 14 / 27 mph 47 / 41°F 98% 1015 mb
Low level cloud: 95%
Mid level cloud: 31%
High level cloud: 100%
Most Significant Cloud Type: low
100%
0.1 In
Sun 30
Nov		00:00

SSW
SSW

 24 / 43 mph 47 / 40°F 87% 996 mb
Low level cloud: 97%
Mid level cloud: 64%
High level cloud: 55%
Most Significant Cloud Type: low
100%
0.0 In
06:00

SW
SW

 12 / 24 mph 48 / 43°F 97% 1006 mb
Low level cloud: 89%
Mid level cloud: 54%
High level cloud: 37%
Most Significant Cloud Type: low
100%
0.0 In
12:00

WSW
WSW

 21 / 41 mph 44 / 35°F 71% 1001 mb
Low level cloud: 82%
Mid level cloud: 28%
High level cloud: 5%
Most Significant Cloud Type: low
92%
0.2 In
18:00

WNW
WNW

 22 / 45 mph 41 / 32°F 79% 993 mb
Low level cloud: 39%
Mid level cloud: 55%
High level cloud: 0%
Most Significant Cloud Type: low
58%
0.3 In
Mon 01
Dec		00:00

SSW
SSW

 1 / 3 mph 41 / 41°F 89% 994 mb
Low level cloud: 4%
Mid level cloud: 100%
High level cloud: 49%
Most Significant Cloud Type: medium
100%
0.0 In
06:00

W
W

 8 / 17 mph 40 / 34°F 82% 989 mb
Low level cloud: 0%
Mid level cloud: 12%
High level cloud: 15%
Most Significant Cloud Type: medium
12%
0.1 In
12:00

WSW
WSW

 10 / 19 mph 42 / 36°F 76% 996 mb
Low level cloud: 29%
Mid level cloud: 18%
High level cloud: 14%
Most Significant Cloud Type: low
36%
0.0 In
18:00

W
W

 12 / 24 mph 38 / 31°F 89% 986 mb
Low level cloud: 59%
Mid level cloud: 46%
High level cloud: 32%
Most Significant Cloud Type: low
78%
0.2 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