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Churchgate 14 Day Long Range Forecast

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

Hertfordshire, United Kingdom

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

Taking a look at Churchgate over the coming two weeks and 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 5th. The average minimum temperature will be 7°C, dipping to its lowest on the morning of Tuesday 7th at 3°C. The coming 14 days will have some days seeing a little precipitation and some days with rain. Current predictions suggest Sunday 28th will have the most precipitation with an accumulation of around 11.0mm. On the whole winds are likely to be moderate.

DayLocal TimeDirSpeed/
Gust		Temp/
Feels Like		HumidityPressureCloud AmountPrecip AmountWeather
Sat 27
Apr		15:00

ENE
ENE

 11 / 13 mph 51 / 46°F 79% 1003 mb
Low level cloud: 94%
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
18:00

NE
NE

 13 / 16 mph 49 / 44°F 84% 1002 mb
Low level cloud: 90%
Mid level cloud: 53%
High level cloud: 100%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

NNE
NNE

 14 / 18 mph 45 / 38°F 94% 1002 mb
Low level cloud: 93%
Mid level cloud: 96%
High level cloud: 100%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Sun 28
Apr		00:00

NNE
NNE

 13 / 18 mph 44 / 37°F 98% 999 mb
Low level cloud: 100%
Mid level cloud: 100%
High level cloud: 88%
Most Significant Cloud Type: low
100%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
03:00

N
N

 11 / 16 mph 45 / 39°F 98% 997 mb
Low level cloud: 95%
Mid level cloud: 92%
High level cloud: 70%
Most Significant Cloud Type: low
100%
Expect 0.2 In of precipitation over the past 3 hours.
0.2 In
06:00

N
N

 5 / 7 mph 45 / 42°F 98% 999 mb
Low level cloud: 100%
Mid level cloud: 88%
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

NNW
NNW

 9 / 11 mph 46 / 41°F 96% 1000 mb
Low level cloud: 100%
Mid level cloud: 87%
High level cloud: 32%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

WNW
WNW

 15 / 18 mph 42 / 35°F 96% 1004 mb
Low level cloud: 100%
Mid level cloud: 81%
High level cloud: 0%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

WSW
WSW

 10 / 14 mph 43 / 38°F 94% 1009 mb
Low level cloud: 88%
Mid level cloud: 100%
High level cloud: 0%
Most Significant Cloud Type: low
100%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
18:00

SW
SW

 13 / 19 mph 47 / 41°F 89% 1011 mb
Low level cloud: 37%
Mid level cloud: 47%
High level cloud: 75%
Most Significant Cloud Type: low
62%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

SSW
SSW

 10 / 16 mph 45 / 40°F 93% 1013 mb
Low level cloud: 17%
Mid level cloud: 10%
High level cloud: 16%
Most Significant Cloud Type: low
22%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Mon 29
Apr		00:00

S
S

 6 / 12 mph 42 / 38°F 96% 1014 mb
Low level cloud: 11%
Mid level cloud: 5%
High level cloud: 2%
Most Significant Cloud Type: low
12%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

S
S

 7 / 15 mph 40 / 35°F 96% 1015 mb
Low level cloud: 13%
Mid level cloud: 0%
High level cloud: 2%
Most Significant Cloud Type: low
13%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

S
S

 7 / 13 mph 43 / 38°F 95% 1016 mb
Low level cloud: 23%
Mid level cloud: 5%
High level cloud: 1%
Most Significant Cloud Type: low
24%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

SSW
SSW

 13 / 15 mph 54 / 50°F 71% 1016 mb
Low level cloud: 56%
Mid level cloud: 28%
High level cloud: 31%
Most Significant Cloud Type: low
69%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

SSW
SSW

 15 / 18 mph 59 / 55°F 57% 1015 mb
Low level cloud: 33%
Mid level cloud: 24%
High level cloud: 32%
Most Significant Cloud Type: low
44%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

S
S

 16 / 19 mph 59 / 55°F 60% 1015 mb
Low level cloud: 20%
Mid level cloud: 15%
High level cloud: 20%
Most Significant Cloud Type: low
27%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

S
S

 13 / 18 mph 54 / 50°F 69% 1015 mb
Low level cloud: 0%
Mid level cloud: 38%
High level cloud: 12%
Most Significant Cloud Type: medium
38%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

SSE
SSE

 9 / 18 mph 47 / 43°F 85% 1016 mb
Low level cloud: 0%
Mid level cloud: 45%
High level cloud: 9%
Most Significant Cloud Type: medium
45%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Tue 30
Apr		00:00

SSE
SSE

 8 / 17 mph 46 / 41°F 86% 1015 mb
Low level cloud: 1%
Mid level cloud: 19%
High level cloud: 3%
Most Significant Cloud Type: medium
20%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

SE
SE

 7 / 15 mph 44 / 40°F 93% 1014 mb
Low level cloud: 2%
Mid level cloud: 2%
High level cloud: 0%
Most Significant Cloud Type: low
2%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

SE
SE

 7 / 13 mph 47 / 43°F 92% 1013 mb
Low level cloud: 6%
Mid level cloud: 0%
High level cloud: 32%
Most Significant Cloud Type: low
10%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

SSE
SSE

 13 / 14 mph 58 / 55°F 72% 1012 mb
Low level cloud: 22%
Mid level cloud: 3%
High level cloud: 32%
Most Significant Cloud Type: low
27%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

SSE
SSE

 14 / 17 mph 62 / 62°F 60% 1011 mb
Low level cloud: 8%
Mid level cloud: 99%
High level cloud: 10%
Most Significant Cloud Type: medium
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

SSE
SSE

 11 / 14 mph 56 / 52°F 84% 1010 mb
Low level cloud: 58%
Mid level cloud: 56%
High level cloud: 19%
Most Significant Cloud Type: low
80%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

SE
SE

 10 / 14 mph 57 / 54°F 82% 1009 mb
Low level cloud: 21%
Mid level cloud: 15%
High level cloud: 0%
Most Significant Cloud Type: low
25%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

SE
SE

 7 / 12 mph 50 / 47°F 97% 1010 mb
Low level cloud: 64%
Mid level cloud: 24%
High level cloud: 0%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Wed 01
May		00:00

SE
SE

 6 / 12 mph 47 / 45°F 98% 1010 mb
Low level cloud: 58%
Mid level cloud: 7%
High level cloud: 11%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

ESE
ESE

 5 / 10 mph 46 / 44°F 97% 1010 mb
Low level cloud: 30%
Mid level cloud: 7%
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

ESE
ESE

 5 / 9 mph 50 / 47°F 96% 1010 mb
Low level cloud: 36%
Mid level cloud: 3%
High level cloud: 16%
Most Significant Cloud Type: low
38%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

ESE
ESE

 6 / 6 mph 62 / 60°F 76% 1010 mb
Low level cloud: 24%
Mid level cloud: 19%
High level cloud: 89%
Most Significant Cloud Type: low
41%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

E
E

 8 / 9 mph 67 / 64°F 65% 1010 mb
Low level cloud: 39%
Mid level cloud: 45%
High level cloud: 58%
Most Significant Cloud Type: low
61%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

E
E

 8 / 10 mph 67 / 65°F 67% 1009 mb
Low level cloud: 45%
Mid level cloud: 31%
High level cloud: 84%
Most Significant Cloud Type: low
65%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

E
E

 7 / 9 mph 64 / 62°F 83% 1009 mb
Low level cloud: 0%
Mid level cloud: 45%
High level cloud: 22%
Most Significant Cloud Type: medium
46%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

ENE
ENE

 6 / 9 mph 55 / 53°F 94% 1010 mb
Low level cloud: 34%
Mid level cloud: 97%
High level cloud: 100%
Most Significant Cloud Type: low
80%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Thu 02
May		00:00

NNE
NNE

 10 / 15 mph 52 / 48°F 97% 1009 mb
Low level cloud: 70%
Mid level cloud: 20%
High level cloud: 100%
Most Significant Cloud Type: low
88%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

NNE
NNE

 15 / 20 mph 51 / 46°F 93% 1007 mb
Low level cloud: 78%
Mid level cloud: 20%
High level cloud: 32%
Most Significant Cloud Type: low
89%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

NNE
NNE

 12 / 16 mph 52 / 48°F 97% 1005 mb
Low level cloud: 89%
Mid level cloud: 52%
High level cloud: 95%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

NE
NE

 11 / 16 mph 58 / 55°F 93% 1005 mb
Low level cloud: 99%
Mid level cloud: 31%
High level cloud: 36%
Most Significant Cloud Type: low
100%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
12:00

ESE
ESE

 6 / 8 mph 62 / 62°F 89% 1005 mb
Low level cloud: 84%
Mid level cloud: 29%
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

SSE
SSE

 7 / 9 mph 64 / 63°F 80% 1006 mb
Low level cloud: 72%
Mid level cloud: 43%
High level cloud: 17%
Most Significant Cloud Type: low
89%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

S
S

 7 / 9 mph 65 / 63°F 79% 1007 mb
Low level cloud: 13%
Mid level cloud: 22%
High level cloud: 22%
Most Significant Cloud Type: low
23%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

SSW
SSW

 6 / 10 mph 55 / 54°F 93% 1010 mb
Low level cloud: 10%
Mid level cloud: 6%
High level cloud: 0%
Most Significant Cloud Type: low
12%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Fri 03
May		00:00

WSW
WSW

 4 / 8 mph 52 / 50°F 95% 1011 mb
Low level cloud: 27%
Mid level cloud: 18%
High level cloud: 18%
Most Significant Cloud Type: low
34%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

WNW
WNW

 3 / 6 mph 49 / 49°F 96% 1012 mb
Low level cloud: 38%
Mid level cloud: 31%
High level cloud: 20%
Most Significant Cloud Type: low
51%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

NNW
NNW

 4 / 6 mph 53 / 50°F 95% 1013 mb
Low level cloud: 65%
Mid level cloud: 12%
High level cloud: 1%
Most Significant Cloud Type: low
69%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

N
N

 7 / 8 mph 62 / 59°F 84% 1014 mb
Low level cloud: 35%
Mid level cloud: 24%
High level cloud: 0%
Most Significant Cloud Type: low
43%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

N
N

 10 / 12 mph 68 / 66°F 71% 1013 mb
Low level cloud: 46%
Mid level cloud: 46%
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

NNE
NNE

 13 / 15 mph 67 / 67°F 74% 1012 mb
Low level cloud: 93%
Mid level cloud: 6%
High level cloud: 69%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

NNE
NNE

 13 / 17 mph 64 / 63°F 86% 1012 mb
Low level cloud: 42%
Mid level cloud: 0%
High level cloud: 88%
Most Significant Cloud Type: low
52%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

NNE
NNE

 10 / 17 mph 55 / 51°F 95% 1013 mb
Low level cloud: 29%
Mid level cloud: 4%
High level cloud: 72%
Most Significant Cloud Type: low
38%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
DayLocal TimeDirSpeed/
Gust		Temp/
Feels Like		HumidityPressureCloud AmountPrecip AmountWeather
Sat 04
May		00:00

N
N

 5 / 9 mph 58 / 58°F 92% 1015 mb
Low level cloud: 86%
Mid level cloud: 17%
High level cloud: 0%
Most Significant Cloud Type: low
91%
0.0 In
06:00

NNE
NNE

 14 / 28 mph 47 / 42°F 81% 1013 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.0 In
12:00

WNW
WNW

 2 / 4 mph 53 / 54°F 89% 1010 mb
Low level cloud: 96%
Mid level cloud: 96%
High level cloud: 16%
Most Significant Cloud Type: low
100%
0.0 In
18:00

SSW
SSW

 11 / 23 mph 58 / 56°F 80% 1004 mb
Low level cloud: 14%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
13%
0.0 In
Sun 05
May		00:00

S
S

 5 / 11 mph 55 / 54°F 96% 1006 mb
Low level cloud: 97%
Mid level cloud: 100%
High level cloud: 100%
Most Significant Cloud Type: low
100%
0.0 In
06:00

NNE
NNE

 11 / 20 mph 48 / 43°F 97% 1011 mb
Low level cloud: 86%
Mid level cloud: 14%
High level cloud: 95%
Most Significant Cloud Type: low
100%
0.0 In
12:00

WSW
WSW

 10 / 19 mph 63 / 63°F 57% 1011 mb
Low level cloud: 75%
Mid level cloud: 30%
High level cloud: 5%
Most Significant Cloud Type: low
85%
0.0 In
18:00

WNW
WNW

 9 / 16 mph 68 / 68°F 85% 1012 mb
Low level cloud: 63%
Mid level cloud: 20%
High level cloud: 6%
Most Significant Cloud Type: low
70%
0.0 In
Mon 06
May		00:00

SW
SW

 8 / 15 mph 56 / 54°F 79% 1011 mb
Low level cloud: 22%
Mid level cloud: 49%
High level cloud: 0%
Most Significant Cloud Type: low
39%
0.0 In
06:00

NNE
NNE

 12 / 23 mph 46 / 40°F 92% 1017 mb
Low level cloud: 87%
Mid level cloud: 100%
High level cloud: 100%
Most Significant Cloud Type: low
100%
0.2 In
12:00

NW
NW

 4 / 9 mph 60 / 60°F 78% 1012 mb
Low level cloud: 69%
Mid level cloud: 5%
High level cloud: 48%
Most Significant Cloud Type: low
76%
0.0 In
18:00

ENE
ENE

 7 / 13 mph 53 / 51°F 73% 1019 mb
Low level cloud: 95%
Mid level cloud: 100%
High level cloud: 100%
Most Significant Cloud Type: low
100%
0.0 In
Tue 07
May		00:00

WSW
WSW

 11 / 22 mph 53 / 50°F 95% 1011 mb
Low level cloud: 58%
Mid level cloud: 31%
High level cloud: 33%
Most Significant Cloud Type: low
72%
0.1 In
06:00

NNE
NNE

 6 / 12 mph 45 / 42°F 77% 1019 mb
Low level cloud: 0%
Mid level cloud: 8%
High level cloud: 100%
Most Significant Cloud Type: medium
11%
0.0 In
12:00

SSW
SSW

 13 / 28 mph 54 / 51°F 90% 1010 mb
Low level cloud: 92%
Mid level cloud: 87%
High level cloud: 29%
Most Significant Cloud Type: low
100%
0.0 In
18:00

NNE
NNE

 1 / 2 mph 55 / 55°F 64% 1017 mb
Low level cloud: 0%
Mid level cloud: 48%
High level cloud: 69%
Most Significant Cloud Type: medium
51%
0.0 In
Wed 08
May		00:00

WNW
WNW

 4 / 8 mph 57 / 57°F 98% 1010 mb
Low level cloud: 96%
Mid level cloud: 98%
High level cloud: 14%
Most Significant Cloud Type: low
100%
0.1 In
06:00

NNW
NNW

 11 / 21 mph 41 / 35°F 91% 1019 mb
Low level cloud: 26%
Mid level cloud: 46%
High level cloud: 0%
Most Significant Cloud Type: low
42%
0.0 In
12:00

SW
SW

 7 / 14 mph 61 / 62°F 92% 1012 mb
Low level cloud: 95%
Mid level cloud: 74%
High level cloud: 100%
Most Significant Cloud Type: low
100%
0.1 In
18:00

N
N

 12 / 23 mph 46 / 41°F 66% 1022 mb
Low level cloud: 0%
Mid level cloud: 28%
High level cloud: 0%
Most Significant Cloud Type: medium
27%
0.0 In
Thu 09
May		00:00

ESE
ESE

 7 / 15 mph 58 / 56°F 99% 1007 mb
Low level cloud: 96%
Mid level cloud: 93%
High level cloud: 100%
Most Significant Cloud Type: low
100%
0.4 In
06:00

NNW
NNW

 13 / 26 mph 39 / 31°F 75% 1024 mb
Low level cloud: 0%
Mid level cloud: 2%
High level cloud: 3%
Most Significant Cloud Type: medium
2%
0.0 In
12:00

SSW
SSW

 10 / 20 mph 65 / 65°F 74% 1009 mb
Low level cloud: 76%
Mid level cloud: 30%
High level cloud: 40%
Most Significant Cloud Type: low
91%
0.0 In
18:00

NNE
NNE

 11 / 23 mph 49 / 45°F 70% 1024 mb
Low level cloud: 3%
Mid level cloud: 5%
High level cloud: 0%
Most Significant Cloud Type: low
4%
0.1 In
Fri 10
May		00:00

SSE
SSE

 3 / 7 mph 57 / 58°F 97% 1009 mb
Low level cloud: 52%
Mid level cloud: 44%
High level cloud: 22%
Most Significant Cloud Type: low
70%
0.2 In
06:00

NNW
NNW

 10 / 21 mph 39 / 33°F 88% 1026 mb
Low level cloud: 19%
Mid level cloud: 4%
High level cloud: 70%
Most Significant Cloud Type: low
28%
0.0 In
12:00

SSW
SSW

 6 / 13 mph 68 / 68°F 64% 1011 mb
Low level cloud: 58%
Mid level cloud: 15%
High level cloud: 38%
Most Significant Cloud Type: low
68%
0.0 In
18:00

NNE
NNE

 9 / 19 mph 53 / 50°F 63% 1025 mb
Low level cloud: 0%
Mid level cloud: 24%
High level cloud: 2%
Most Significant Cloud Type: medium
24%
0.0 In
Sat 11
May		00:00

NE
NE

 12 / 24 mph 50 / 45°F 97% 1016 mb
Low level cloud: 100%
Mid level cloud: 100%
High level cloud: 100%
Most Significant Cloud Type: low
100%
0.3 In
06:00

NNE
NNE

 3 / 7 mph 43 / 41°F 77% 1025 mb
Low level cloud: 8%
Mid level cloud: 38%
High level cloud: 61%
Most Significant Cloud Type: medium
62%
0.0 In
12:00

NE
NE

 17 / 37 mph 51 / 45°F 92% 1018 mb
Low level cloud: 98%
Mid level cloud: 56%
High level cloud: 100%
Most Significant Cloud Type: low
100%
0.6 In
18:00

WNW
WNW

 2 / 5 mph 56 / 57°F 69% 1020 mb
Low level cloud: 77%
Mid level cloud: 71%
High level cloud: 37%
Most Significant Cloud Type: low
100%
0.0 In
Sun 12
May		00:00

NNE
NNE

 19 / 39 mph 47 / 40°F 97% 1016 mb
Low level cloud: 100%
Mid level cloud: 100%
High level cloud: 100%
Most Significant Cloud Type: low
100%
0.6 In
06:00

SW
SW

 9 / 19 mph 47 / 43°F 94% 1014 mb
Low level cloud: 98%
Mid level cloud: 100%
High level cloud: 100%
Most Significant Cloud Type: low
100%
0.1 In
12:00

SSE
SSE

 15 / 30 mph 59 / 56°F 84% 1019 mb
Low level cloud: 98%
Mid level cloud: 24%
High level cloud: 1%
Most Significant Cloud Type: low
100%
0.3 In
18:00

WNW
WNW

 6 / 13 mph 52 / 49°F 98% 1009 mb
Low level cloud: 95%
Mid level cloud: 100%
High level cloud: 33%
Most Significant Cloud Type: low
100%
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