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Karaj 14 Day Long Range Forecast

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

Iran

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

Reviewing the forecast for Karaj Over the next 14 days and the average daytime maximum temperature will be around 9°C, with a high for the two weeks of 11°C expected on the afternoon of Wednesday 25th. The mean minimum temperature will be 3°C, dipping to its lowest on the morning of Sunday 22nd at 2°C. Expect the coming 14 days to remain predominantly dry. On the whole winds are likely to be light.

DayLocal TimeDirSpeed/
Gust		Temp/
Feels Like		HumidityPressureCloud AmountPrecip AmountWeather
Sat 21
Dec		18:30

NW
NW

 7 / 8 mph 45 / 42°F 52% 1020 mb
Low level cloud: 0%
Mid level cloud: 9%
High level cloud: 1%
Most Significant Cloud Type: medium
9%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:30

NW
NW

 6 / 6 mph 44 / 40°F 59% 1021 mb
Low level cloud: 0%
Mid level cloud: 8%
High level cloud: 0%
Most Significant Cloud Type: medium
8%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Sun 22
Dec		00:30

NNW
NNW

 5 / 6 mph 40 / 37°F 64% 1021 mb
Low level cloud: 0%
Mid level cloud: 8%
High level cloud: 0%
Most Significant Cloud Type: medium
7%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:30

NNW
NNW

 5 / 7 mph 37 / 33°F 64% 1021 mb
Low level cloud: 0%
Mid level cloud: 6%
High level cloud: 0%
Most Significant Cloud Type: medium
5%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:30

NNW
NNW

 3 / 5 mph 35 / 33°F 62% 1021 mb
Low level cloud: 0%
Mid level cloud: 5%
High level cloud: 1%
Most Significant Cloud Type: medium
5%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:30

SSW
SSW

 1 / 1 mph 43 / 43°F 53% 1021 mb
Low level cloud: 0%
Mid level cloud: 5%
High level cloud: 0%
Most Significant Cloud Type: medium
4%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:30

S
S

 3 / 4 mph 47 / 46°F 46% 1018 mb
Low level cloud: 0%
Mid level cloud: 4%
High level cloud: 5%
Most Significant Cloud Type: medium
4%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:30

SW
SW

 4 / 4 mph 48 / 47°F 44% 1017 mb
Low level cloud: 0%
Mid level cloud: 4%
High level cloud: 0%
Most Significant Cloud Type: medium
4%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:30

NNW
NNW

 0 / 0 mph 48 / 48°F 49% 1018 mb
Low level cloud: 0%
Mid level cloud: 3%
High level cloud: 2%
Most Significant Cloud Type: medium
3%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:30

E
E

 1 / 1 mph 43 / 43°F 50% 1018 mb
Low level cloud: 0%
Mid level cloud: 3%
High level cloud: 0%
Most Significant Cloud Type: medium
3%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Mon 23
Dec		00:30

ENE
ENE

 1 / 1 mph 41 / 40°F 52% 1019 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
03:30

NE
NE

 1 / 2 mph 39 / 39°F 52% 1019 mb
Low level cloud: 0%
Mid level cloud: 3%
High level cloud: 1%
Most Significant Cloud Type: medium
2%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:30

E
E

 2 / 3 mph 37 / 37°F 52% 1020 mb
Low level cloud: 0%
Mid level cloud: 2%
High level cloud: 0%
Most Significant Cloud Type: medium
2%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:30

SSE
SSE

 2 / 3 mph 45 / 44°F 46% 1021 mb
Low level cloud: 0%
Mid level cloud: 2%
High level cloud: 9%
Most Significant Cloud Type: medium
2%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:30

S
S

 4 / 4 mph 49 / 47°F 41% 1019 mb
Low level cloud: 0%
Mid level cloud: 2%
High level cloud: 14%
Most Significant Cloud Type: medium
2%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:30

S
S

 3 / 4 mph 50 / 49°F 43% 1018 mb
Low level cloud: 0%
Mid level cloud: 2%
High level cloud: 100%
Most Significant Cloud Type: medium
6%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:30

SE
SE

 3 / 4 mph 48 / 48°F 47% 1020 mb
Low level cloud: 0%
Mid level cloud: 2%
High level cloud: 100%
Most Significant Cloud Type: medium
6%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:30

SE
SE

 4 / 5 mph 44 / 41°F 49% 1021 mb
Low level cloud: 0%
Mid level cloud: 2%
High level cloud: 100%
Most Significant Cloud Type: medium
5%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Tue 24
Dec		00:30

SE
SE

 4 / 6 mph 41 / 39°F 50% 1021 mb
Low level cloud: 0%
Mid level cloud: 2%
High level cloud: 100%
Most Significant Cloud Type: medium
6%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:30

SE
SE

 4 / 6 mph 40 / 37°F 51% 1021 mb
Low level cloud: 0%
Mid level cloud: 2%
High level cloud: 100%
Most Significant Cloud Type: medium
6%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:30

SE
SE

 3 / 5 mph 38 / 37°F 52% 1022 mb
Low level cloud: 0%
Mid level cloud: 2%
High level cloud: 100%
Most Significant Cloud Type: medium
6%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:30

SSE
SSE

 3 / 4 mph 45 / 43°F 46% 1023 mb
Low level cloud: 0%
Mid level cloud: 2%
High level cloud: 100%
Most Significant Cloud Type: medium
6%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:30

S
S

 4 / 5 mph 48 / 46°F 41% 1020 mb
Low level cloud: 0%
Mid level cloud: 2%
High level cloud: 98%
Most Significant Cloud Type: medium
6%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:30

SSW
SSW

 3 / 3 mph 48 / 48°F 41% 1019 mb
Low level cloud: 0%
Mid level cloud: 2%
High level cloud: 99%
Most Significant Cloud Type: medium
6%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:30

SSW
SSW

 2 / 2 mph 48 / 48°F 45% 1020 mb
Low level cloud: 0%
Mid level cloud: 2%
High level cloud: 100%
Most Significant Cloud Type: medium
5%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:30

SSE
SSE

 0 / 0 mph 44 / 44°F 46% 1021 mb
Low level cloud: 0%
Mid level cloud: 3%
High level cloud: 18%
Most Significant Cloud Type: medium
3%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Wed 25
Dec		00:30

WNW
WNW

 1 / 1 mph 41 / 41°F 46% 1021 mb
Low level cloud: 0%
Mid level cloud: 3%
High level cloud: 3%
Most Significant Cloud Type: medium
3%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:30

NW
NW

 4 / 6 mph 40 / 38°F 45% 1021 mb
Low level cloud: 0%
Mid level cloud: 5%
High level cloud: 10%
Most Significant Cloud Type: medium
4%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:30

NW
NW

 5 / 9 mph 39 / 35°F 45% 1022 mb
Low level cloud: 0%
Mid level cloud: 3%
High level cloud: 15%
Most Significant Cloud Type: medium
4%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:30

NW
NW

 5 / 6 mph 45 / 42°F 41% 1022 mb
Low level cloud: 0%
Mid level cloud: 2%
High level cloud: 21%
Most Significant Cloud Type: medium
3%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:30

WNW
WNW

 7 / 8 mph 51 / 48°F 39% 1020 mb
Low level cloud: 0%
Mid level cloud: 3%
High level cloud: 4%
Most Significant Cloud Type: medium
2%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:30

WNW
WNW

 6 / 7 mph 53 / 50°F 40% 1020 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
18:30

NNW
NNW

 4 / 4 mph 52 / 51°F 44% 1021 mb
Low level cloud: 0%
Mid level cloud: 2%
High level cloud: 0%
Most Significant Cloud Type: medium
2%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:30

NE
NE

 2 / 2 mph 45 / 45°F 45% 1022 mb
Low level cloud: 0%
Mid level cloud: 2%
High level cloud: 0%
Most Significant Cloud Type: medium
2%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Thu 26
Dec		00:30

NNE
NNE

 1 / 2 mph 42 / 42°F 47% 1023 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
03:30

NNE
NNE

 1 / 2 mph 40 / 40°F 49% 1024 mb
Low level cloud: 0%
Mid level cloud: 3%
High level cloud: 0%
Most Significant Cloud Type: medium
3%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:30

NNE
NNE

 2 / 3 mph 39 / 39°F 49% 1024 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
09:30

SE
SE

 2 / 3 mph 47 / 46°F 42% 1026 mb
Low level cloud: 0%
Mid level cloud: 2%
High level cloud: 0%
Most Significant Cloud Type: medium
2%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:30

SSE
SSE

 4 / 5 mph 51 / 49°F 38% 1025 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
15:30

S
S

 4 / 4 mph 52 / 51°F 36% 1024 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
18:30

SSE
SSE

 2 / 3 mph 51 / 51°F 43% 1025 mb
Low level cloud: 0%
Mid level cloud: 1%
High level cloud: 4%
Most Significant Cloud Type: high
4%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:30

ESE
ESE

 5 / 7 mph 43 / 41°F 44% 1025 mb
Low level cloud: 0%
Mid level cloud: 1%
High level cloud: 100%
Most Significant Cloud Type: high
99%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Fri 27
Dec		00:30

SE
SE

 4 / 7 mph 42 / 40°F 43% 1025 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
03:30

ESE
ESE

 3 / 5 mph 40 / 39°F 43% 1026 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
06:30

SE
SE

 2 / 5 mph 38 / 37°F 42% 1026 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 100%
Most Significant Cloud Type: high
99%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:30

SE
SE

 3 / 4 mph 45 / 44°F 38% 1027 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 100%
Most Significant Cloud Type: high
99%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:30

SSE
SSE

 5 / 5 mph 50 / 48°F 34% 1025 mb
Low level cloud: 0%
Mid level cloud: 5%
High level cloud: 100%
Most Significant Cloud Type: medium
8%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:30

SSE
SSE

 5 / 6 mph 51 / 49°F 34% 1023 mb
Low level cloud: 0%
Mid level cloud: 32%
High level cloud: 33%
Most Significant Cloud Type: medium
33%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:30

SE
SE

 5 / 6 mph 47 / 44°F 37% 1024 mb
Low level cloud: 0%
Mid level cloud: 29%
High level cloud: 69%
Most Significant Cloud Type: medium
31%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:30

SE
SE

 5 / 6 mph 45 / 42°F 36% 1024 mb
Low level cloud: 0%
Mid level cloud: 76%
High level cloud: 100%
Most Significant Cloud Type: medium
79%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
DayLocal TimeDirSpeed/
Gust		Temp/
Feels Like		HumidityPressureCloud AmountPrecip AmountWeather
Sat 28
Dec		03:30

ESE
ESE

 4 / 5 mph 49 / 47°F 35% 1022 mb
Low level cloud: 0%
Mid level cloud: 27%
High level cloud: 83%
Most Significant Cloud Type: medium
29%
0.0 In
09:30

NW
NW

 7 / 8 mph 51 / 48°F 64% 1024 mb
Low level cloud: 0%
Mid level cloud: 23%
High level cloud: 30%
Most Significant Cloud Type: medium
24%
0.0 In
15:30

SE
SE

 6 / 6 mph 54 / 53°F 39% 1020 mb
Low level cloud: 0%
Mid level cloud: 91%
High level cloud: 100%
Most Significant Cloud Type: medium
95%
0.0 In
21:30

ESE
ESE

 9 / 10 mph 49 / 45°F 76% 1020 mb
Low level cloud: 0%
Mid level cloud: 65%
High level cloud: 32%
Most Significant Cloud Type: medium
66%
0.0 In
Sun 29
Dec		03:30

SE
SE

 6 / 7 mph 44 / 40°F 60% 1021 mb
Low level cloud: 0%
Mid level cloud: 96%
High level cloud: 100%
Most Significant Cloud Type: medium
100%
0.0 In
09:30

NW
NW

 3 / 4 mph 53 / 52°F 68% 1020 mb
Low level cloud: 0%
Mid level cloud: 21%
High level cloud: 8%
Most Significant Cloud Type: medium
21%
0.0 In
15:30

NW
NW

 10 / 15 mph 55 / 52°F 40% 1019 mb
Low level cloud: 0%
Mid level cloud: 14%
High level cloud: 0%
Most Significant Cloud Type: medium
13%
0.0 In
21:30

NNW
NNW

 6 / 7 mph 51 / 50°F 43% 1026 mb
Low level cloud: 0%
Mid level cloud: 6%
High level cloud: 0%
Most Significant Cloud Type: medium
6%
0.0 In
Mon 30
Dec		03:30

NNW
NNW

 8 / 12 mph 41 / 36°F 51% 1024 mb
Low level cloud: 0%
Mid level cloud: 5%
High level cloud: 0%
Most Significant Cloud Type: medium
4%
0.0 In
09:30

SW
SW

 0 / 0 mph 51 / 51°F 46% 1027 mb
Low level cloud: 0%
Mid level cloud: 3%
High level cloud: 0%
Most Significant Cloud Type: medium
2%
0.0 In
15:30

WNW
WNW

 10 / 15 mph 52 / 48°F 41% 1023 mb
Low level cloud: 0%
Mid level cloud: 3%
High level cloud: 0%
Most Significant Cloud Type: medium
3%
0.0 In
21:30

E
E

 4 / 5 mph 51 / 50°F 52% 1023 mb
Low level cloud: 0%
Mid level cloud: 5%
High level cloud: 0%
Most Significant Cloud Type: medium
5%
0.0 In
Tue 31
Dec		03:30

NNW
NNW

 6 / 10 mph 41 / 36°F 48% 1027 mb
Low level cloud: 0%
Mid level cloud: 3%
High level cloud: 0%
Most Significant Cloud Type: medium
2%
0.0 In
09:30

S
S

 5 / 6 mph 47 / 45°F 48% 1022 mb
Low level cloud: 0%
Mid level cloud: 43%
High level cloud: 100%
Most Significant Cloud Type: medium
47%
0.0 In
15:30

SSE
SSE

 4 / 7 mph 49 / 47°F 32% 1024 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 100%
Most Significant Cloud Type: high
99%
0.0 In
21:30

NW
NW

 3 / 4 mph 45 / 43°F 72% 1021 mb
Low level cloud: 0%
Mid level cloud: 66%
High level cloud: 0%
Most Significant Cloud Type: medium
66%
0.0 In
Wed 01
Jan		03:30

E
E

 2 / 4 mph 42 / 41°F 34% 1025 mb
Low level cloud: 0%
Mid level cloud: 36%
High level cloud: 2%
Most Significant Cloud Type: medium
35%
0.0 In
09:30

NW
NW

 9 / 11 mph 42 / 36°F 67% 1025 mb
Low level cloud: 0%
Mid level cloud: 15%
High level cloud: 0%
Most Significant Cloud Type: medium
14%
0.0 In
15:30

SW
SW

 3 / 5 mph 57 / 57°F 41% 1021 mb
Low level cloud: 0%
Mid level cloud: 12%
High level cloud: 0%
Most Significant Cloud Type: medium
12%
0.0 In
21:30

NW
NW

 8 / 11 mph 43 / 38°F 65% 1027 mb
Low level cloud: 0%
Mid level cloud: 31%
High level cloud: 34%
Most Significant Cloud Type: medium
32%
0.0 In
Thu 02
Jan		03:30

ENE
ENE

 2 / 3 mph 48 / 48°F 55% 1022 mb
Low level cloud: 0%
Mid level cloud: 12%
High level cloud: 0%
Most Significant Cloud Type: medium
12%
0.0 In
09:30

WSW
WSW

 1 / 2 mph 40 / 40°F 91% 1025 mb
Low level cloud: 69%
Mid level cloud: 100%
High level cloud: 5%
Most Significant Cloud Type: low
100%
0.1 In
15:30

WNW
WNW

 6 / 9 mph 47 / 45°F 70% 1020 mb
Low level cloud: 0%
Mid level cloud: 99%
High level cloud: 0%
Most Significant Cloud Type: medium
98%
0.2 In
21:30

S
S

 4 / 5 mph 42 / 40°F 98% 1020 mb
Low level cloud: 94%
Mid level cloud: 98%
High level cloud: 100%
Most Significant Cloud Type: low
100%
0.2 In
Fri 03
Jan		03:30

NNW
NNW

 7 / 11 mph 37 / 31°F 63% 1021 mb
Low level cloud: 0%
Mid level cloud: 78%
High level cloud: 6%
Most Significant Cloud Type: medium
78%
0.0 In
09:30

WNW
WNW

 8 / 12 mph 42 / 37°F 77% 1019 mb
Low level cloud: 0%
Mid level cloud: 17%
High level cloud: 0%
Most Significant Cloud Type: medium
16%
0.2 In
15:30

WNW
WNW

 9 / 14 mph 41 / 36°F 66% 1019 mb
Low level cloud: 0%
Mid level cloud: 45%
High level cloud: 33%
Most Significant Cloud Type: medium
46%
0.1 In
21:30

NW
NW

 7 / 10 mph 40 / 35°F 58% 1019 mb
Low level cloud: 0%
Mid level cloud: 9%
High level cloud: 7%
Most Significant Cloud Type: medium
9%
0.0 In
Sat 04
Jan		03:30

NNW
NNW

 10 / 15 mph 34 / 26°F 67% 1026 mb
Low level cloud: 0%
Mid level cloud: 7%
High level cloud: 0%
Most Significant Cloud Type: medium
7%
0.0 In
09:30

NW
NW

 8 / 12 mph 45 / 40°F 43% 1021 mb
Low level cloud: 0%
Mid level cloud: 2%
High level cloud: 0%
Most Significant Cloud Type: medium
2%
0.0 In
15:30

WNW
WNW

 9 / 15 mph 46 / 41°F 44% 1024 mb
Low level cloud: 0%
Mid level cloud: 4%
High level cloud: 0%
Most Significant Cloud Type: medium
3%
0.0 In
21:30

N
N

 3 / 4 mph 46 / 45°F 44% 1019 mb
Low level cloud: 0%
Mid level cloud: 23%
High level cloud: 31%
Most Significant Cloud Type: medium
23%
0.0 In
Sun 05
Jan		03:30

NNW
NNW

 7 / 11 mph 36 / 31°F 44% 1026 mb
Low level cloud: 0%
Mid level cloud: 7%
High level cloud: 9%
Most Significant Cloud Type: medium
7%
0.0 In
09:30

WSW
WSW

 0 / 1 mph 44 / 44°F 41% 1019 mb
Low level cloud: 0%
Mid level cloud: 100%
High level cloud: 100%
Most Significant Cloud Type: medium
100%
0.0 In
15:30

W
W

 3 / 4 mph 58 / 59°F 31% 1023 mb
Low level cloud: 0%
Mid level cloud: 1%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.0 In
21:30

NW
NW

 9 / 13 mph 41 / 35°F 74% 1022 mb
Low level cloud: 0%
Mid level cloud: 20%
High level cloud: 0%
Most Significant Cloud Type: medium
19%
0.0 In

Other Locations Near to Karaj

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