Fast Forecast

WEATHER FOR BUSINESS

We supply weather data to businesses

Free Weather Plugin

Add this forecast to your website



Local Weather

Forest Head 14 Day Long Range Forecast

14 Day weather providing an extended long range forecast outlook for Forest Head

Cumbria, United Kingdom

Long range weather outlook for Forest Head includes 14 day forecast summary:

Reviewing the forecast for Forest Head Over the next 14 days and the average daytime maximum temperature will be around 7°C, with a high for the two weeks of 10°C expected on the afternoon of Sunday 14th. The mean minimum temperature will be 4°C, dipping to its lowest on the morning of Monday 22nd at 1°C. Expect the coming 14 days to have most days seeing a little rain, sleet or snow. Current predictions suggest Sunday 14th will have the most precipitation with an accumulation of around 18.0mm. On the whole winds are likely to be moderate.

DayLocal TimeDirSpeed/
Gust		Temp/
Feels Like		HumidityPressureCloud AmountPrecip AmountWeather
Sun 14
Dec		21:00

SSW
SSW

 21 / 31 mph 49 / 42°F 90% 998 mb
Low level cloud: 97%
Mid level cloud: 49%
High level cloud: 84%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Mon 15
Dec		00:00

SSW
SSW

 21 / 44 mph 44 / 35°F 90% 998 mb
Low level cloud: 96%
Mid level cloud: 79%
High level cloud: 11%
Most Significant Cloud Type: low
100%
Expect 0.2 In of precipitation over the past 3 hours.
0.2 In
03:00

WNW
WNW

 7 / 14 mph 42 / 37°F 91% 1000 mb
Low level cloud: 97%
Mid level cloud: 73%
High level cloud: 11%
Most Significant Cloud Type: low
100%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
06:00

WSW
WSW

 5 / 9 mph 41 / 37°F 95% 1001 mb
Low level cloud: 32%
Mid level cloud: 43%
High level cloud: 100%
Most Significant Cloud Type: low
58%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

SW
SW

 3 / 4 mph 44 / 43°F 95% 1003 mb
Low level cloud: 30%
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
12:00

WSW
WSW

 2 / 2 mph 48 / 48°F 86% 1003 mb
Low level cloud: 10%
Mid level cloud: 100%
High level cloud: 33%
Most Significant Cloud Type: medium
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

NNE
NNE

 1 / 1 mph 49 / 49°F 87% 1002 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
18:00

NNE
NNE

 2 / 2 mph 48 / 48°F 87% 1003 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
21:00

ENE
ENE

 1 / 1 mph 45 / 45°F 89% 1004 mb
Low level cloud: 5%
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
Tue 16
Dec		00:00

NE
NE

 1 / 2 mph 38 / 38°F 88% 1004 mb
Low level cloud: 3%
Mid level cloud: 100%
High level cloud: 33%
Most Significant Cloud Type: medium
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

W
W

 3 / 7 mph 36 / 34°F 91% 1005 mb
Low level cloud: 14%
Mid level cloud: 100%
High level cloud: 80%
Most Significant Cloud Type: medium
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

WSW
WSW

 2 / 5 mph 36 / 34°F 92% 1007 mb
Low level cloud: 14%
Mid level cloud: 79%
High level cloud: 32%
Most Significant Cloud Type: medium
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

SW
SW

 4 / 7 mph 38 / 35°F 94% 1010 mb
Low level cloud: 17%
Mid level cloud: 10%
High level cloud: 59%
Most Significant Cloud Type: low
26%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

WSW
WSW

 5 / 7 mph 40 / 37°F 88% 1012 mb
Low level cloud: 13%
Mid level cloud: 0%
High level cloud: 46%
Most Significant Cloud Type: low
19%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

SW
SW

 5 / 7 mph 42 / 38°F 93% 1013 mb
Low level cloud: 17%
Mid level cloud: 0%
High level cloud: 21%
Most Significant Cloud Type: low
19%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

SW
SW

 5 / 7 mph 40 / 37°F 96% 1015 mb
Low level cloud: 36%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
36%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

SSW
SSW

 5 / 8 mph 39 / 35°F 95% 1016 mb
Low level cloud: 30%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
30%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Wed 17
Dec		00:00

SSW
SSW

 5 / 9 mph 36 / 31°F 94% 1016 mb
Low level cloud: 13%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
12%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

S
S

 6 / 11 mph 36 / 31°F 95% 1016 mb
Low level cloud: 15%
Mid level cloud: 57%
High level cloud: 20%
Most Significant Cloud Type: medium
99%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

SSW
SSW

 11 / 19 mph 39 / 31°F 90% 1015 mb
Low level cloud: 45%
Mid level cloud: 100%
High level cloud: 97%
Most Significant Cloud Type: low
91%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

SSW
SSW

 14 / 23 mph 39 / 31°F 88% 1014 mb
Low level cloud: 68%
Mid level cloud: 84%
High level cloud: 96%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

SSW
SSW

 15 / 24 mph 41 / 33°F 87% 1012 mb
Low level cloud: 88%
Mid level cloud: 73%
High level cloud: 8%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

SSW
SSW

 14 / 23 mph 41 / 33°F 92% 1010 mb
Low level cloud: 97%
Mid level cloud: 68%
High level cloud: 95%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

S
S

 14 / 23 mph 42 / 35°F 91% 1008 mb
Low level cloud: 81%
Mid level cloud: 68%
High level cloud: 53%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

SSW
SSW

 17 / 28 mph 43 / 36°F 91% 1007 mb
Low level cloud: 90%
Mid level cloud: 68%
High level cloud: 91%
Most Significant Cloud Type: low
100%
Expect 0.2 In of precipitation over the past 3 hours.
0.2 In
Thu 18
Dec		00:00

SW
SW

 17 / 28 mph 46 / 39°F 94% 1008 mb
Low level cloud: 99%
Mid level cloud: 56%
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

SW
SW

 6 / 11 mph 43 / 39°F 96% 1009 mb
Low level cloud: 58%
Mid level cloud: 19%
High level cloud: 89%
Most Significant Cloud Type: low
74%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

SE
SE

 4 / 8 mph 42 / 39°F 97% 1008 mb
Low level cloud: 51%
Mid level cloud: 96%
High level cloud: 98%
Most Significant Cloud Type: low
96%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

E
E

 7 / 12 mph 43 / 39°F 95% 1006 mb
Low level cloud: 60%
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
12:00

ESE
ESE

 12 / 19 mph 44 / 38°F 93% 1000 mb
Low level cloud: 99%
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
15:00

SSE
SSE

 14 / 23 mph 45 / 38°F 88% 995 mb
Low level cloud: 94%
Mid level cloud: 88%
High level cloud: 98%
Most Significant Cloud Type: low
100%
Expect 0.2 In of precipitation over the past 3 hours.
0.2 In
18:00

SSE
SSE

 18 / 30 mph 48 / 41°F 85% 990 mb
Low level cloud: 100%
Mid level cloud: 94%
High level cloud: 91%
Most Significant Cloud Type: low
100%
Expect 0.2 In of precipitation over the past 3 hours.
0.2 In
21:00

SW
SW

 19 / 31 mph 44 / 36°F 92% 992 mb
Low level cloud: 97%
Mid level cloud: 86%
High level cloud: 92%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Fri 19
Dec		00:00

SW
SW

 14 / 22 mph 43 / 36°F 90% 994 mb
Low level cloud: 94%
Mid level cloud: 43%
High level cloud: 0%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

WSW
WSW

 10 / 16 mph 41 / 35°F 95% 995 mb
Low level cloud: 100%
Mid level cloud: 78%
High level cloud: 0%
Most Significant Cloud Type: low
100%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
06:00

WSW
WSW

 16 / 26 mph 38 / 29°F 90% 1002 mb
Low level cloud: 74%
Mid level cloud: 46%
High level cloud: 0%
Most Significant Cloud Type: low
90%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
09:00

WSW
WSW

 14 / 23 mph 38 / 29°F 87% 1006 mb
Low level cloud: 22%
Mid level cloud: 16%
High level cloud: 0%
Most Significant Cloud Type: low
28%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

SW
SW

 17 / 28 mph 40 / 31°F 82% 1009 mb
Low level cloud: 77%
Mid level cloud: 19%
High level cloud: 0%
Most Significant Cloud Type: low
83%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

SW
SW

 16 / 27 mph 40 / 31°F 86% 1010 mb
Low level cloud: 69%
Mid level cloud: 14%
High level cloud: 0%
Most Significant Cloud Type: low
73%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

SW
SW

 14 / 24 mph 39 / 31°F 87% 1011 mb
Low level cloud: 35%
Mid level cloud: 9%
High level cloud: 0%
Most Significant Cloud Type: low
38%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

SW
SW

 14 / 24 mph 40 / 32°F 82% 1011 mb
Low level cloud: 1%
Mid level cloud: 15%
High level cloud: 32%
Most Significant Cloud Type: medium
20%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Sat 20
Dec		00:00

SSW
SSW

 15 / 26 mph 41 / 33°F 87% 1009 mb
Low level cloud: 98%
Mid level cloud: 51%
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

 17 / 31 mph 40 / 31°F 90% 1007 mb
Low level cloud: 91%
Mid level cloud: 98%
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

 17 / 35 mph 39 / 30°F 88% 1006 mb
Low level cloud: 94%
Mid level cloud: 45%
High level cloud: 100%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

S
S

 15 / 27 mph 41 / 33°F 87% 1004 mb
Low level cloud: 92%
Mid level cloud: 57%
High level cloud: 100%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

S
S

 16 / 27 mph 43 / 36°F 85% 1002 mb
Low level cloud: 94%
Mid level cloud: 87%
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

S
S

 16 / 25 mph 44 / 37°F 88% 1000 mb
Low level cloud: 96%
Mid level cloud: 75%
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

S
S

 18 / 31 mph 43 / 35°F 84% 1000 mb
Low level cloud: 95%
Mid level cloud: 47%
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

SSW
SSW

 7 / 11 mph 42 / 37°F 94% 1000 mb
Low level cloud: 100%
Mid level cloud: 78%
High level cloud: 67%
Most Significant Cloud Type: low
100%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
DayLocal TimeDirSpeed/
Gust		Temp/
Feels Like		HumidityPressureCloud AmountPrecip AmountWeather
Sun 21
Dec		00:00

WSW
WSW

 17 / 28 mph 44 / 37°F 92% 1010 mb
Low level cloud: 64%
Mid level cloud: 43%
High level cloud: 0%
Most Significant Cloud Type: low
78%
0.0 In
06:00

SW
SW

 8 / 17 mph 39 / 34°F 95% 1025 mb
Low level cloud: 96%
Mid level cloud: 32%
High level cloud: 0%
Most Significant Cloud Type: low
100%
0.0 In
12:00

WSW
WSW

 2 / 4 mph 39 / 38°F 78% 1022 mb
Low level cloud: 28%
Mid level cloud: 12%
High level cloud: 6%
Most Significant Cloud Type: low
33%
0.0 In
18:00

SSE
SSE

 2 / 4 mph 43 / 42°F 91% 1021 mb
Low level cloud: 75%
Mid level cloud: 76%
High level cloud: 0%
Most Significant Cloud Type: low
100%
0.0 In
Mon 22
Dec		00:00

WSW
WSW

 11 / 20 mph 39 / 32°F 95% 1012 mb
Low level cloud: 52%
Mid level cloud: 44%
High level cloud: 0%
Most Significant Cloud Type: low
67%
0.0 In
06:00

NNE
NNE

 2 / 3 mph 39 / 38°F 89% 1031 mb
Low level cloud: 0%
Mid level cloud: 2%
High level cloud: 0%
Most Significant Cloud Type: medium
2%
0.0 In
12:00

E
E

 16 / 27 mph 43 / 36°F 89% 1013 mb
Low level cloud: 93%
Mid level cloud: 51%
High level cloud: 2%
Most Significant Cloud Type: low
100%
0.0 In
18:00

SW
SW

 5 / 8 mph 38 / 34°F 93% 1007 mb
Low level cloud: 95%
Mid level cloud: 80%
High level cloud: 31%
Most Significant Cloud Type: low
100%
0.0 In
Tue 23
Dec		00:00

ENE
ENE

 7 / 11 mph 39 / 34°F 96% 1017 mb
Low level cloud: 37%
Mid level cloud: 17%
High level cloud: 41%
Most Significant Cloud Type: low
47%
0.0 In
06:00

WNW
WNW

 10 / 20 mph 36 / 28°F 86% 1007 mb
Low level cloud: 32%
Mid level cloud: 100%
High level cloud: 100%
Most Significant Cloud Type: medium
100%
0.0 In
12:00

ENE
ENE

 4 / 6 mph 41 / 39°F 86% 1019 mb
Low level cloud: 79%
Mid level cloud: 50%
High level cloud: 97%
Most Significant Cloud Type: low
100%
0.0 In
18:00

SW
SW

 6 / 9 mph 40 / 35°F 96% 1011 mb
Low level cloud: 77%
Mid level cloud: 99%
High level cloud: 0%
Most Significant Cloud Type: low
100%
0.0 In
Wed 24
Dec		00:00

NNE
NNE

 5 / 10 mph 37 / 33°F 94% 1024 mb
Low level cloud: 51%
Mid level cloud: 12%
High level cloud: 12%
Most Significant Cloud Type: low
57%
0.0 In
06:00

WNW
WNW

 6 / 11 mph 35 / 29°F 87% 1022 mb
Low level cloud: 1%
Mid level cloud: 5%
High level cloud: 0%
Most Significant Cloud Type: medium
7%
0.1 In
12:00

ENE
ENE

 1 / 2 mph 41 / 41°F 88% 1029 mb
Low level cloud: 25%
Mid level cloud: 6%
High level cloud: 11%
Most Significant Cloud Type: low
28%
0.0 In
18:00

SSW
SSW

 6 / 9 mph 40 / 36°F 89% 1028 mb
Low level cloud: 0%
Mid level cloud: 41%
High level cloud: 21%
Most Significant Cloud Type: medium
42%
0.0 In
Thu 25
Dec		00:00

SW
SW

 3 / 6 mph 36 / 34°F 93% 1033 mb
Low level cloud: 12%
Mid level cloud: 21%
High level cloud: 6%
Most Significant Cloud Type: low
20%
0.0 In
06:00

SW
SW

 20 / 40 mph 43 / 34°F 91% 1023 mb
Low level cloud: 95%
Mid level cloud: 10%
High level cloud: 100%
Most Significant Cloud Type: low
100%
0.0 In
12:00

WSW
WSW

 3 / 5 mph 37 / 35°F 91% 1033 mb
Low level cloud: 40%
Mid level cloud: 55%
High level cloud: 0%
Most Significant Cloud Type: low
58%
0.0 In
18:00

WSW
WSW

 11 / 20 mph 47 / 41°F 98% 1027 mb
Low level cloud: 91%
Mid level cloud: 25%
High level cloud: 2%
Most Significant Cloud Type: low
99%
0.1 In
Fri 26
Dec		00:00

SE
SE

 3 / 5 mph 38 / 36°F 92% 1034 mb
Low level cloud: 13%
Mid level cloud: 16%
High level cloud: 21%
Most Significant Cloud Type: low
21%
0.0 In
06:00

SW
SW

 17 / 36 mph 44 / 36°F 95% 1023 mb
Low level cloud: 100%
Mid level cloud: 45%
High level cloud: 5%
Most Significant Cloud Type: low
100%
0.0 In
12:00

WSW
WSW

 4 / 6 mph 38 / 35°F 98% 1032 mb
Low level cloud: 98%
Mid level cloud: 95%
High level cloud: 100%
Most Significant Cloud Type: low
100%
0.1 In
18:00

W
W

 22 / 33 mph 49 / 42°F 77% 1025 mb
Low level cloud: 2%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
1%
0.0 In
Sat 27
Dec		00:00

N
N

 8 / 16 mph 34 / 28°F 90% 1038 mb
Low level cloud: 35%
Mid level cloud: 4%
High level cloud: 0%
Most Significant Cloud Type: low
35%
0.2 In
06:00

W
W

 16 / 28 mph 38 / 29°F 81% 1033 mb
Low level cloud: 86%
Mid level cloud: 12%
High level cloud: 0%
Most Significant Cloud Type: low
89%
0.0 In
12:00

NNE
NNE

 10 / 18 mph 38 / 31°F 76% 1041 mb
Low level cloud: 42%
Mid level cloud: 5%
High level cloud: 8%
Most Significant Cloud Type: low
44%
0.0 In
18:00

WSW
WSW

 8 / 12 mph 44 / 40°F 91% 1039 mb
Low level cloud: 29%
Mid level cloud: 32%
High level cloud: 94%
Most Significant Cloud Type: low
51%
0.0 In
Sun 28
Dec		00:00

N
N

 5 / 10 mph 32 / 27°F 74% 1040 mb
Low level cloud: 88%
Mid level cloud: 0%
High level cloud: 14%
Most Significant Cloud Type: low
89%
0.0 In
06:00

WSW
WSW

 20 / 32 mph 41 / 33°F 94% 1031 mb
Low level cloud: 100%
Mid level cloud: 54%
High level cloud: 14%
Most Significant Cloud Type: low
100%
0.0 In
12:00

WSW
WSW

 5 / 7 mph 36 / 31°F 76% 1034 mb
Low level cloud: 0%
Mid level cloud: 27%
High level cloud: 0%
Most Significant Cloud Type: medium
26%
0.0 In
18:00

WSW
WSW

 17 / 32 mph 47 / 40°F 96% 1023 mb
Low level cloud: 99%
Mid level cloud: 45%
High level cloud: 32%
Most Significant Cloud Type: low
100%
0.0 In
Mon 29
Dec		00:00

SW
SW

 5 / 11 mph 31 / 25°F 92% 1025 mb
Low level cloud: 95%
Mid level cloud: 100%
High level cloud: 100%
Most Significant Cloud Type: low
100%
0.0 In
06:00

W
W

 22 / 44 mph 45 / 37°F 95% 1024 mb
Low level cloud: 99%
Mid level cloud: 46%
High level cloud: 31%
Most Significant Cloud Type: low
100%
0.0 In
12:00

NNE
NNE

 9 / 15 mph 34 / 27°F 81% 1023 mb
Low level cloud: 10%
Mid level cloud: 2%
High level cloud: 41%
Most Significant Cloud Type: low
15%
0.3 In
18:00

W
W

 17 / 29 mph 48 / 41°F 95% 1025 mb
Low level cloud: 100%
Mid level cloud: 23%
High level cloud: 19%
Most Significant Cloud Type: low
100%
0.0 In

Other Locations Near to Forest Head

The day label given represents the local day relative to the local time for the location you are looking at.
(More Info)

Day

This time is corrected for local time zones and where possible for daylight saving times.
(More Info)

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.
(More Info)

Dir

This refers to the sustained average wind speed, normally averaged over a period of 10 minutes for up to 3 hrs.
(More Info)

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.
(More Info)

Temp/
Feels Like

The relative humidity is the percent of saturation humidity, generally calculated in relation to saturated vapour density.
(More Info)

Humidity

The value given is a total predicted for the previous 3 hrs and includes the time of the forecast being looked at.
(More Info)

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.
(More Info)

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.
(More Info)

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.
(More Info)

Pressure