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Calais 14 Day Long Range Forecast

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

France

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

The forecast for Calais in the coming two weeks is predicting the average daytime maximum temperature will be around 8°C, with a high for the two weeks of 10°C expected on the afternoon of Tuesday 13th. The average minimum temperature will be 6°C, dipping to its lowest on the morning of Sunday 11th at 4°C. Expect the following 14 days ahead to have some days seeing a little precipitation and some days with rain. Current predictions suggest Monday 19th will have the most precipitation with an accumulation of around 9.0mm. On the whole winds are likely to be fresh. The strongest wind will be experienced on the evening of Sunday 11th, coming from a southerly direction, and reaching around 33mph. However, the maximum wind gusts are expected on Monday morning.

DayLocal TimeDirSpeed/
Gust		Temp/
Feels Like		HumidityPressureCloud AmountPrecip AmountWeather
Sun 11
Jan		19:00

S
S

 28 / 33 mph 42 / 32°F 77% 1013 mb
Low level cloud: 95%
Mid level cloud: 93%
High level cloud: 100%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

S
S

 34 / 46 mph 41 / 29°F 85% 1009 mb
Low level cloud: 97%
Mid level cloud: 97%
High level cloud: 99%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Mon 12
Jan		01:00

S
S

 31 / 42 mph 45 / 35°F 89% 1007 mb
Low level cloud: 93%
Mid level cloud: 58%
High level cloud: 2%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

SSW
SSW

 29 / 60 mph 44 / 33°F 91% 1007 mb
Low level cloud: 90%
Mid level cloud: 5%
High level cloud: 20%
Most Significant Cloud Type: low
94%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

SW
SW

 23 / 49 mph 44 / 35°F 93% 1006 mb
Low level cloud: 50%
Mid level cloud: 14%
High level cloud: 19%
Most Significant Cloud Type: low
57%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

SSW
SSW

 22 / 45 mph 46 / 38°F 90% 1007 mb
Low level cloud: 69%
Mid level cloud: 10%
High level cloud: 8%
Most Significant Cloud Type: low
73%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

SSW
SSW

 17 / 30 mph 48 / 42°F 92% 1006 mb
Low level cloud: 85%
Mid level cloud: 89%
High level cloud: 15%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

SW
SW

 12 / 18 mph 49 / 44°F 96% 1005 mb
Low level cloud: 100%
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
19:00

SW
SW

 16 / 29 mph 47 / 41°F 92% 1006 mb
Low level cloud: 65%
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
22:00

SW
SW

 14 / 28 mph 45 / 39°F 95% 1007 mb
Low level cloud: 55%
Mid level cloud: 16%
High level cloud: 0%
Most Significant Cloud Type: low
60%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Tue 13
Jan		01:00

SSW
SSW

 15 / 25 mph 48 / 42°F 93% 1008 mb
Low level cloud: 34%
Mid level cloud: 70%
High level cloud: 47%
Most Significant Cloud Type: low
64%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

SSW
SSW

 15 / 25 mph 48 / 42°F 93% 1008 mb
Low level cloud: 39%
Mid level cloud: 19%
High level cloud: 100%
Most Significant Cloud Type: low
57%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

SSW
SSW

 15 / 27 mph 48 / 42°F 91% 1007 mb
Low level cloud: 41%
Mid level cloud: 100%
High level cloud: 33%
Most Significant Cloud Type: low
80%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

S
S

 14 / 21 mph 49 / 44°F 90% 1007 mb
Low level cloud: 55%
Mid level cloud: 100%
High level cloud: 32%
Most Significant Cloud Type: low
93%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

S
S

 20 / 32 mph 50 / 44°F 82% 1005 mb
Low level cloud: 18%
Mid level cloud: 92%
High level cloud: 100%
Most Significant Cloud Type: medium
100%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
16:00

SSW
SSW

 20 / 31 mph 51 / 44°F 79% 1004 mb
Low level cloud: 26%
Mid level cloud: 48%
High level cloud: 100%
Most Significant Cloud Type: low
54%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

SSW
SSW

 19 / 29 mph 50 / 43°F 86% 1004 mb
Low level cloud: 96%
Mid level cloud: 65%
High level cloud: 48%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

SSW
SSW

 22 / 34 mph 49 / 42°F 92% 1005 mb
Low level cloud: 92%
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
Wed 14
Jan		01:00

N
N

 19 / 24 mph 44 / 36°F 92% 1007 mb
Low level cloud: 99%
Mid level cloud: 99%
High level cloud: 98%
Most Significant Cloud Type: low
100%
Expect 0.2 In of precipitation over the past 3 hours.
0.2 In
04:00

N
N

 9 / 11 mph 43 / 38°F 89% 1009 mb
Low level cloud: 100%
Mid level cloud: 92%
High level cloud: 0%
Most Significant Cloud Type: low
100%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
07:00

NNW
NNW

 12 / 16 mph 44 / 37°F 78% 1012 mb
Low level cloud: 4%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
4%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

NW
NW

 8 / 10 mph 43 / 38°F 75% 1014 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

WNW
WNW

 4 / 5 mph 43 / 41°F 69% 1015 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 3%
Most Significant Cloud Type: high
3%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

SW
SW

 6 / 8 mph 43 / 39°F 69% 1015 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 7%
Most Significant Cloud Type: high
6%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

SW
SW

 9 / 13 mph 42 / 36°F 72% 1015 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 90%
Most Significant Cloud Type: high
90%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

SSW
SSW

 11 / 16 mph 41 / 35°F 76% 1014 mb
Low level cloud: 0%
Mid level cloud: 46%
High level cloud: 99%
Most Significant Cloud Type: medium
49%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Thu 15
Jan		01:00

SSW
SSW

 13 / 21 mph 40 / 33°F 79% 1013 mb
Low level cloud: 0%
Mid level cloud: 98%
High level cloud: 32%
Most Significant Cloud Type: medium
99%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

SSW
SSW

 14 / 24 mph 40 / 32°F 84% 1011 mb
Low level cloud: 17%
Mid level cloud: 26%
High level cloud: 96%
Most Significant Cloud Type: low
38%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

S
S

 15 / 25 mph 40 / 31°F 86% 1010 mb
Low level cloud: 6%
Mid level cloud: 48%
High level cloud: 100%
Most Significant Cloud Type: medium
69%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

S
S

 17 / 27 mph 40 / 32°F 84% 1008 mb
Low level cloud: 2%
Mid level cloud: 78%
High level cloud: 100%
Most Significant Cloud Type: medium
86%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

S
S

 21 / 24 mph 46 / 39°F 79% 1005 mb
Low level cloud: 32%
Mid level cloud: 99%
High level cloud: 100%
Most Significant Cloud Type: medium
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

SSE
SSE

 23 / 27 mph 48 / 41°F 84% 1002 mb
Low level cloud: 17%
Mid level cloud: 82%
High level cloud: 100%
Most Significant Cloud Type: medium
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

SSE
SSE

 25 / 30 mph 51 / 44°F 83% 999 mb
Low level cloud: 78%
Mid level cloud: 99%
High level cloud: 100%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

S
S

 27 / 31 mph 50 / 43°F 87% 998 mb
Low level cloud: 100%
Mid level cloud: 84%
High level cloud: 100%
Most Significant Cloud Type: low
100%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
Fri 16
Jan		01:00

SW
SW

 27 / 55 mph 43 / 33°F 90% 1000 mb
Low level cloud: 95%
Mid level cloud: 44%
High level cloud: 14%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

SW
SW

 24 / 49 mph 43 / 33°F 84% 1004 mb
Low level cloud: 42%
Mid level cloud: 8%
High level cloud: 0%
Most Significant Cloud Type: low
45%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

SSW
SSW

 19 / 32 mph 43 / 34°F 87% 1005 mb
Low level cloud: 13%
Mid level cloud: 3%
High level cloud: 1%
Most Significant Cloud Type: low
13%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

S
S

 19 / 22 mph 45 / 37°F 89% 1006 mb
Low level cloud: 25%
Mid level cloud: 85%
High level cloud: 6%
Most Significant Cloud Type: medium
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

S
S

 21 / 30 mph 46 / 39°F 83% 1007 mb
Low level cloud: 98%
Mid level cloud: 44%
High level cloud: 20%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

S
S

 18 / 26 mph 47 / 40°F 82% 1007 mb
Low level cloud: 66%
Mid level cloud: 25%
High level cloud: 99%
Most Significant Cloud Type: low
86%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

SSE
SSE

 14 / 21 mph 46 / 39°F 88% 1008 mb
Low level cloud: 10%
Mid level cloud: 64%
High level cloud: 100%
Most Significant Cloud Type: medium
95%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

S
S

 16 / 28 mph 44 / 37°F 84% 1009 mb
Low level cloud: 32%
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
Sat 17
Jan		01:00

SSE
SSE

 13 / 24 mph 43 / 36°F 88% 1009 mb
Low level cloud: 41%
Mid level cloud: 100%
High level cloud: 100%
Most Significant Cloud Type: low
88%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

SE
SE

 13 / 22 mph 42 / 35°F 91% 1009 mb
Low level cloud: 23%
Mid level cloud: 63%
High level cloud: 100%
Most Significant Cloud Type: low
56%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

SE
SE

 11 / 19 mph 42 / 36°F 90% 1009 mb
Low level cloud: 18%
Mid level cloud: 45%
High level cloud: 100%
Most Significant Cloud Type: low
46%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

SSE
SSE

 10 / 14 mph 44 / 38°F 90% 1011 mb
Low level cloud: 13%
Mid level cloud: 23%
High level cloud: 92%
Most Significant Cloud Type: low
32%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

SSE
SSE

 10 / 15 mph 45 / 40°F 84% 1011 mb
Low level cloud: 8%
Mid level cloud: 18%
High level cloud: 64%
Most Significant Cloud Type: medium
42%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

SE
SE

 9 / 15 mph 45 / 41°F 83% 1011 mb
Low level cloud: 55%
Mid level cloud: 8%
High level cloud: 11%
Most Significant Cloud Type: low
59%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

SE
SE

 9 / 14 mph 45 / 40°F 90% 1012 mb
Low level cloud: 33%
Mid level cloud: 4%
High level cloud: 10%
Most Significant Cloud Type: low
35%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

S
S

 8 / 12 mph 44 / 39°F 87% 1013 mb
Low level cloud: 20%
Mid level cloud: 7%
High level cloud: 0%
Most Significant Cloud Type: low
22%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
DayLocal TimeDirSpeed/
Gust		Temp/
Feels Like		HumidityPressureCloud AmountPrecip AmountWeather
Sun 18
Jan		01:00

SSE
SSE

 13 / 27 mph 43 / 37°F 91% 995 mb
Low level cloud: 17%
Mid level cloud: 8%
High level cloud: 3%
Most Significant Cloud Type: low
19%
0.0 In
07:00

S
S

 24 / 49 mph 44 / 35°F 88% 1001 mb
Low level cloud: 25%
Mid level cloud: 15%
High level cloud: 0%
Most Significant Cloud Type: low
30%
0.0 In
13:00

SW
SW

 12 / 24 mph 45 / 39°F 84% 1019 mb
Low level cloud: 92%
Mid level cloud: 9%
High level cloud: 0%
Most Significant Cloud Type: low
95%
0.0 In
19:00

SE
SE

 11 / 19 mph 47 / 41°F 85% 1017 mb
Low level cloud: 0%
Mid level cloud: 100%
High level cloud: 100%
Most Significant Cloud Type: medium
100%
0.0 In
Mon 19
Jan		01:00

NNW
NNW

 4 / 7 mph 43 / 41°F 83% 992 mb
Low level cloud: 25%
Mid level cloud: 54%
High level cloud: 10%
Most Significant Cloud Type: low
44%
0.0 In
07:00

SSW
SSW

 23 / 46 mph 47 / 39°F 93% 995 mb
Low level cloud: 90%
Mid level cloud: 57%
High level cloud: 3%
Most Significant Cloud Type: low
100%
0.0 In
13:00

SSE
SSE

 21 / 29 mph 42 / 33°F 96% 1003 mb
Low level cloud: 92%
Mid level cloud: 83%
High level cloud: 0%
Most Significant Cloud Type: low
100%
0.0 In
19:00

SW
SW

 11 / 21 mph 45 / 40°F 88% 1004 mb
Low level cloud: 37%
Mid level cloud: 23%
High level cloud: 33%
Most Significant Cloud Type: low
49%
0.0 In
Tue 20
Jan		01:00

SW
SW

 24 / 39 mph 46 / 38°F 90% 1005 mb
Low level cloud: 84%
Mid level cloud: 44%
High level cloud: 0%
Most Significant Cloud Type: low
98%
0.0 In
07:00

SE
SE

 6 / 11 mph 45 / 41°F 94% 1007 mb
Low level cloud: 95%
Mid level cloud: 49%
High level cloud: 59%
Most Significant Cloud Type: low
100%
0.0 In
13:00

SW
SW

 21 / 38 mph 48 / 40°F 87% 1011 mb
Low level cloud: 34%
Mid level cloud: 47%
High level cloud: 11%
Most Significant Cloud Type: low
51%
0.1 In
19:00

SSW
SSW

 13 / 28 mph 48 / 42°F 91% 1008 mb
Low level cloud: 91%
Mid level cloud: 99%
High level cloud: 100%
Most Significant Cloud Type: low
100%
0.3 In
Wed 21
Jan		01:00

WSW
WSW

 16 / 30 mph 43 / 36°F 86% 1015 mb
Low level cloud: 6%
Mid level cloud: 4%
High level cloud: 0%
Most Significant Cloud Type: low
7%
0.0 In
07:00

SSE
SSE

 20 / 41 mph 46 / 38°F 90% 1003 mb
Low level cloud: 100%
Mid level cloud: 96%
High level cloud: 100%
Most Significant Cloud Type: low
100%
0.1 In
13:00

W
W

 17 / 32 mph 45 / 38°F 79% 1019 mb
Low level cloud: 0%
Mid level cloud: 24%
High level cloud: 0%
Most Significant Cloud Type: medium
23%
0.0 In
19:00

SW
SW

 6 / 11 mph 50 / 47°F 92% 1001 mb
Low level cloud: 71%
Mid level cloud: 100%
High level cloud: 100%
Most Significant Cloud Type: low
100%
0.2 In
Thu 22
Jan		01:00

WSW
WSW

 22 / 43 mph 45 / 36°F 89% 1019 mb
Low level cloud: 37%
Mid level cloud: 96%
High level cloud: 2%
Most Significant Cloud Type: low
70%
0.0 In
07:00

SSW
SSW

 19 / 35 mph 45 / 37°F 88% 1005 mb
Low level cloud: 8%
Mid level cloud: 9%
High level cloud: 0%
Most Significant Cloud Type: low
11%
0.0 In
13:00

SSW
SSW

 23 / 44 mph 47 / 39°F 94% 1016 mb
Low level cloud: 95%
Mid level cloud: 45%
High level cloud: 16%
Most Significant Cloud Type: low
100%
0.1 In
19:00

SSW
SSW

 11 / 20 mph 47 / 42°F 91% 1011 mb
Low level cloud: 9%
Mid level cloud: 0%
High level cloud: 32%
Most Significant Cloud Type: low
12%
0.0 In
Fri 23
Jan		01:00

W
W

 8 / 16 mph 46 / 42°F 89% 1026 mb
Low level cloud: 98%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
97%
0.0 In
07:00

S
S

 15 / 28 mph 44 / 37°F 87% 1013 mb
Low level cloud: 0%
Mid level cloud: 27%
High level cloud: 0%
Most Significant Cloud Type: medium
26%
0.0 In
13:00

WSW
WSW

 19 / 35 mph 48 / 41°F 86% 1031 mb
Low level cloud: 4%
Mid level cloud: 16%
High level cloud: 33%
Most Significant Cloud Type: medium
27%
0.0 In
19:00

S
S

 16 / 30 mph 47 / 40°F 84% 1015 mb
Low level cloud: 0%
Mid level cloud: 100%
High level cloud: 100%
Most Significant Cloud Type: medium
100%
0.0 In
Sat 24
Jan		01:00

SW
SW

 23 / 44 mph 47 / 39°F 89% 1030 mb
Low level cloud: 16%
Mid level cloud: 60%
High level cloud: 33%
Most Significant Cloud Type: medium
100%
0.0 In
07:00

SSE
SSE

 12 / 23 mph 46 / 41°F 78% 1015 mb
Low level cloud: 36%
Mid level cloud: 91%
High level cloud: 100%
Most Significant Cloud Type: low
79%
0.0 In
13:00

SW
SW

 22 / 42 mph 51 / 44°F 95% 1027 mb
Low level cloud: 74%
Mid level cloud: 6%
High level cloud: 100%
Most Significant Cloud Type: low
87%
0.0 In
19:00

SSE
SSE

 11 / 20 mph 50 / 45°F 81% 1013 mb
Low level cloud: 0%
Mid level cloud: 16%
High level cloud: 100%
Most Significant Cloud Type: medium
19%
0.0 In
Sun 25
Jan		01:00

WSW
WSW

 21 / 42 mph 47 / 39°F 95% 1027 mb
Low level cloud: 98%
Mid level cloud: 45%
High level cloud: 83%
Most Significant Cloud Type: low
100%
0.0 In
07:00

SSE
SSE

 12 / 22 mph 48 / 43°F 82% 1008 mb
Low level cloud: 19%
Mid level cloud: 99%
High level cloud: 100%
Most Significant Cloud Type: medium
100%
0.0 In
13:00

NNE
NNE

 3 / 6 mph 52 / 51°F 85% 1030 mb
Low level cloud: 6%
Mid level cloud: 31%
High level cloud: 100%
Most Significant Cloud Type: medium
51%
0.0 In
19:00

SSW
SSW

 23 / 43 mph 52 / 45°F 85% 1005 mb
Low level cloud: 91%
Mid level cloud: 45%
High level cloud: 6%
Most Significant Cloud Type: low
100%
0.0 In
Mon 26
Jan		01:00

SSW
SSW

 21 / 40 mph 47 / 40°F 93% 1022 mb
Low level cloud: 92%
Mid level cloud: 44%
High level cloud: 36%
Most Significant Cloud Type: low
100%
0.0 In
07:00

SW
SW

 32 / 65 mph 45 / 35°F 84% 1004 mb
Low level cloud: 62%
Mid level cloud: 10%
High level cloud: 84%
Most Significant Cloud Type: low
75%
0.2 In
13:00

WSW
WSW

 24 / 46 mph 49 / 42°F 92% 1018 mb
Low level cloud: 50%
Mid level cloud: 0%
High level cloud: 6%
Most Significant Cloud Type: low
50%
0.0 In
19:00

WSW
WSW

 32 / 64 mph 48 / 39°F 92% 1007 mb
Low level cloud: 98%
Mid level cloud: 100%
High level cloud: 100%
Most Significant Cloud Type: low
100%
0.3 In

Other Locations Near to Calais

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