Weather2 on Twitter Weather2 on Facebook Weather2 on YouTube Weather2 blog

WEATHER FOR BUSINESS

We supply weather data to businesses

Free Weather Plugin

Add this forecast to your website



Local Weather

Edmondsley 14 Day Long Range Forecast

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

County Durham, United Kingdom

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

Over the next 14 days the Edmondsley forecast suggests the average daytime maximum temperature will be around 12°C, with a high for the two weeks of 21°C expected on the afternoon of Thursday 19th. The average minimum temperature will be 7°C, dipping to its lowest on the morning of Friday 27th at 2°C. The fortnight ahead will have some days seeing a little precipitation and some days with rain or sleet. It looks like Tuesday 24th will have the most precipitation with an accumulation of around 10.0mm. On the whole winds are likely to be moderate.

DayLocal TimeDirSpeed/
Gust
Temp/
Feels Like
HumidityPressureCloud AmountPrecip AmountWeather
Thu 19
Apr
18:00

WSW
WSW

7 / 8 mph 70 / 68°F 73% 1023 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
21:00

W
W

6 / 6 mph 64 / 64°F 88% 1023 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
Fri 20
Apr
00:00

W
W

5 / 6 mph 57 / 56°F 90% 1024 mb
Low level cloud: 0%
Mid level cloud: 2%
High level cloud: 0%
Most Significant Cloud Type: medium
2%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
03:00

W
W

5 / 7 mph 53 / 52°F 87% 1023 mb
Low level cloud: 0%
Mid level cloud: 8%
High level cloud: 0%
Most Significant Cloud Type: medium
7%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
06:00

W
W

6 / 9 mph 52 / 49°F 86% 1023 mb
Low level cloud: 0%
Mid level cloud: 9%
High level cloud: 0%
Most Significant Cloud Type: medium
8%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
09:00

W
W

10 / 15 mph 57 / 54°F 73% 1024 mb
Low level cloud: 4%
Mid level cloud: 6%
High level cloud: 0%
Most Significant Cloud Type: low
5%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
12:00

W
W

11 / 15 mph 61 / 60°F 59% 1024 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
15:00

W
W

11 / 17 mph 61 / 60°F 51% 1024 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
18:00

W
W

8 / 9 mph 61 / 59°F 66% 1024 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
21:00

W
W

6 / 7 mph 56 / 54°F 78% 1025 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
Sat 21
Apr
00:00

W
W

4 / 7 mph 50 / 49°F 83% 1026 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
03:00

WSW
WSW

2 / 4 mph 48 / 48°F 87% 1025 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
06:00

SSW
SSW

2 / 4 mph 47 / 47°F 84% 1024 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 2%
Most Significant Cloud Type: high
2%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
09:00

SSE
SSE

6 / 9 mph 54 / 51°F 67% 1023 mb
Low level cloud: 0%
Mid level cloud: 6%
High level cloud: 2%
Most Significant Cloud Type: medium
6%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
12:00

SSE
SSE

9 / 12 mph 61 / 60°F 64% 1021 mb
Low level cloud: 37%
Mid level cloud: 11%
High level cloud: 7%
Most Significant Cloud Type: low
42%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
15:00

SSE
SSE

9 / 15 mph 61 / 60°F 79% 1018 mb
Low level cloud: 67%
Mid level cloud: 28%
High level cloud: 19%
Most Significant Cloud Type: low
79%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
18:00

SSE
SSE

9 / 14 mph 62 / 61°F 86% 1015 mb
Low level cloud: 61%
Mid level cloud: 44%
High level cloud: 79%
Most Significant Cloud Type: low
85%
Expect 0.03 In of precipitation over the past 3 hours.
0.03 In
21:00

SSE
SSE

8 / 14 mph 58 / 57°F 95% 1014 mb
Low level cloud: 20%
Mid level cloud: 70%
High level cloud: 97%
Most Significant Cloud Type: medium
100%
Expect 0.09 In of precipitation over the past 3 hours.
0.09 In
Sun 22
Apr
00:00

S
S

8 / 14 mph 58 / 56°F 93% 1012 mb
Low level cloud: 1%
Mid level cloud: 45%
High level cloud: 97%
Most Significant Cloud Type: medium
50%
Expect 0.12 In of precipitation over the past 3 hours.
0.12 In
03:00

SW
SW

7 / 12 mph 56 / 54°F 93% 1009 mb
Low level cloud: 9%
Mid level cloud: 15%
High level cloud: 89%
Most Significant Cloud Type: medium
43%
Expect 0.02 In of precipitation over the past 3 hours.
0.02 In
06:00

SSW
SSW

8 / 12 mph 56 / 53°F 92% 1008 mb
Low level cloud: 8%
Mid level cloud: 25%
High level cloud: 92%
Most Significant Cloud Type: medium
52%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
09:00

SW
SW

14 / 22 mph 55 / 51°F 82% 1007 mb
Low level cloud: 25%
Mid level cloud: 88%
High level cloud: 95%
Most Significant Cloud Type: medium
100%
Expect 0.01 In of precipitation over the past 3 hours.
0.01 In
12:00

WSW
WSW

15 / 21 mph 58 / 53°F 66% 1007 mb
Low level cloud: 51%
Mid level cloud: 56%
High level cloud: 1%
Most Significant Cloud Type: low
71%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
15:00

WSW
WSW

15 / 20 mph 55 / 50°F 66% 1007 mb
Low level cloud: 18%
Mid level cloud: 11%
High level cloud: 0%
Most Significant Cloud Type: low
21%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
18:00

WSW
WSW

12 / 18 mph 52 / 47°F 74% 1008 mb
Low level cloud: 23%
Mid level cloud: 17%
High level cloud: 0%
Most Significant Cloud Type: low
29%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
21:00

WSW
WSW

11 / 18 mph 48 / 43°F 82% 1009 mb
Low level cloud: 2%
Mid level cloud: 24%
High level cloud: 0%
Most Significant Cloud Type: medium
31%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
Mon 23
Apr
00:00

WSW
WSW

12 / 18 mph 47 / 41°F 84% 1009 mb
Low level cloud: 0%
Mid level cloud: 13%
High level cloud: 0%
Most Significant Cloud Type: medium
13%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
03:00

WSW
WSW

13 / 21 mph 45 / 39°F 82% 1009 mb
Low level cloud: 5%
Mid level cloud: 16%
High level cloud: 0%
Most Significant Cloud Type: medium
31%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
06:00

W
W

13 / 21 mph 45 / 39°F 81% 1010 mb
Low level cloud: 74%
Mid level cloud: 44%
High level cloud: 16%
Most Significant Cloud Type: low
91%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
09:00

W
W

16 / 26 mph 47 / 40°F 76% 1011 mb
Low level cloud: 76%
Mid level cloud: 8%
High level cloud: 6%
Most Significant Cloud Type: low
79%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
12:00

WSW
WSW

17 / 24 mph 52 / 46°F 68% 1011 mb
Low level cloud: 20%
Mid level cloud: 46%
High level cloud: 82%
Most Significant Cloud Type: low
46%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
15:00

WSW
WSW

16 / 26 mph 50 / 45°F 76% 1011 mb
Low level cloud: 79%
Mid level cloud: 47%
High level cloud: 96%
Most Significant Cloud Type: low
100%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
18:00

W
W

15 / 24 mph 51 / 46°F 81% 1010 mb
Low level cloud: 86%
Mid level cloud: 12%
High level cloud: 95%
Most Significant Cloud Type: low
100%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
21:00

W
W

11 / 18 mph 48 / 43°F 81% 1011 mb
Low level cloud: 44%
Mid level cloud: 43%
High level cloud: 77%
Most Significant Cloud Type: low
68%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
Tue 24
Apr
00:00

WSW
WSW

8 / 13 mph 46 / 43°F 82% 1011 mb
Low level cloud: 44%
Mid level cloud: 93%
High level cloud: 91%
Most Significant Cloud Type: low
87%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
03:00

W
W

6 / 11 mph 45 / 41°F 89% 1011 mb
Low level cloud: 64%
Mid level cloud: 96%
High level cloud: 98%
Most Significant Cloud Type: low
100%
Expect 0.02 In of precipitation over the past 3 hours.
0.02 In
06:00

S
S

3 / 6 mph 43 / 42°F 90% 1009 mb
Low level cloud: 71%
Mid level cloud: 73%
High level cloud: 91%
Most Significant Cloud Type: low
100%
Expect 0.01 In of precipitation over the past 3 hours.
0.01 In
09:00

SSE
SSE

6 / 10 mph 46 / 43°F 88% 1008 mb
Low level cloud: 93%
Mid level cloud: 95%
High level cloud: 100%
Most Significant Cloud Type: low
100%
Expect 0.05 In of precipitation over the past 3 hours.
0.05 In
12:00

WSW
WSW

4 / 6 mph 50 / 49°F 93% 1005 mb
Low level cloud: 91%
Mid level cloud: 73%
High level cloud: 44%
Most Significant Cloud Type: low
100%
Expect 0.22 In of precipitation over the past 3 hours.
0.22 In
15:00

WNW
WNW

6 / 8 mph 52 / 49°F 88% 1004 mb
Low level cloud: 84%
Mid level cloud: 63%
High level cloud: 0%
Most Significant Cloud Type: low
100%
Expect 0.08 In of precipitation over the past 3 hours.
0.08 In
18:00

WNW
WNW

10 / 12 mph 51 / 47°F 89% 1005 mb
Low level cloud: 46%
Mid level cloud: 27%
High level cloud: 0%
Most Significant Cloud Type: low
55%
Expect 0.01 In of precipitation over the past 3 hours.
0.01 In
21:00

W
W

11 / 13 mph 49 / 44°F 90% 1008 mb
Low level cloud: 8%
Mid level cloud: 5%
High level cloud: 0%
Most Significant Cloud Type: low
10%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
Wed 25
Apr
00:00

W
W

10 / 15 mph 44 / 38°F 89% 1009 mb
Low level cloud: 0%
Mid level cloud: 17%
High level cloud: 0%
Most Significant Cloud Type: medium
17%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
03:00

WSW
WSW

10 / 17 mph 43 / 38°F 86% 1008 mb
Low level cloud: 27%
Mid level cloud: 46%
High level cloud: 0%
Most Significant Cloud Type: low
42%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
06:00

WSW
WSW

11 / 18 mph 43 / 36°F 88% 1008 mb
Low level cloud: 37%
Mid level cloud: 71%
High level cloud: 2%
Most Significant Cloud Type: low
61%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
09:00

W
W

17 / 26 mph 46 / 38°F 72% 1009 mb
Low level cloud: 8%
Mid level cloud: 63%
High level cloud: 0%
Most Significant Cloud Type: medium
85%
Expect 0.02 In of precipitation over the past 3 hours.
0.02 In
12:00

W
W

21 / 32 mph 48 / 40°F 65% 1009 mb
Low level cloud: 6%
Mid level cloud: 28%
High level cloud: 0%
Most Significant Cloud Type: medium
45%
Expect 0.03 In of precipitation over the past 3 hours.
0.03 In
15:00

W
W

23 / 34 mph 48 / 40°F 64% 1009 mb
Low level cloud: 13%
Mid level cloud: 25%
High level cloud: 0%
Most Significant Cloud Type: low
21%
Expect 0.02 In of precipitation over the past 3 hours.
0.02 In
18:00

W
W

18 / 29 mph 46 / 39°F 71% 1010 mb
Low level cloud: 25%
Mid level cloud: 24%
High level cloud: 0%
Most Significant Cloud Type: low
33%
Expect 0.01 In of precipitation over the past 3 hours.
0.01 In
21:00

W
W

17 / 28 mph 44 / 36°F 72% 1012 mb
Low level cloud: 1%
Mid level cloud: 7%
High level cloud: 6%
Most Significant Cloud Type: medium
10%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
DayLocal TimeDirSpeed/
Gust
Temp/
Feels Like
HumidityPressureCloud AmountPrecip AmountWeather
Thu 26
Apr
00:00

W
W

12 / 17 mph 44 / 37°F 78% 1005 mb
Low level cloud: 1%
Mid level cloud: 86%
High level cloud: 33%
Most Significant Cloud Type: medium
89%
0.00 In
06:00

WSW
WSW

13 / 21 mph 42 / 35°F 81% 1011 mb
Low level cloud: 29%
Mid level cloud: 9%
High level cloud: 0%
Most Significant Cloud Type: low
32%
0.00 In
12:00

NNW
NNW

13 / 20 mph 45 / 39°F 59% 1008 mb
Low level cloud: 29%
Mid level cloud: 71%
High level cloud: 0%
Most Significant Cloud Type: low
54%
0.01 In
18:00

WNW
WNW

16 / 21 mph 53 / 48°F 69% 1015 mb
Low level cloud: 2%
Mid level cloud: 17%
High level cloud: 0%
Most Significant Cloud Type: medium
23%
0.01 In
Fri 27
Apr
00:00

W
W

22 / 36 mph 41 / 32°F 75% 1008 mb
Low level cloud: 4%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
3%
0.00 In
06:00

WSW
WSW

10 / 16 mph 41 / 35°F 78% 1010 mb
Low level cloud: 0%
Mid level cloud: 81%
High level cloud: 2%
Most Significant Cloud Type: medium
81%
0.00 In
12:00

W
W

13 / 18 mph 51 / 47°F 62% 1021 mb
Low level cloud: 4%
Mid level cloud: 46%
High level cloud: 33%
Most Significant Cloud Type: medium
57%
0.00 In
18:00

WSW
WSW

6 / 7 mph 56 / 55°F 72% 1016 mb
Low level cloud: 8%
Mid level cloud: 16%
High level cloud: 32%
Most Significant Cloud Type: low
17%
0.01 In
Sat 28
Apr
00:00

SW
SW

12 / 19 mph 43 / 37°F 85% 1011 mb
Low level cloud: 18%
Mid level cloud: 45%
High level cloud: 92%
Most Significant Cloud Type: low
44%
0.00 In
06:00

ENE
ENE

6 / 10 mph 41 / 37°F 93% 1009 mb
Low level cloud: 87%
Mid level cloud: 87%
High level cloud: 19%
Most Significant Cloud Type: low
100%
0.08 In
12:00

SSW
SSW

17 / 29 mph 46 / 39°F 77% 1005 mb
Low level cloud: 85%
Mid level cloud: 94%
High level cloud: 100%
Most Significant Cloud Type: low
100%
0.03 In
18:00

ENE
ENE

14 / 16 mph 43 / 36°F 93% 1005 mb
Low level cloud: 92%
Mid level cloud: 65%
High level cloud: 2%
Most Significant Cloud Type: low
100%
0.26 In
Sun 29
Apr
00:00

WSW
WSW

7 / 9 mph 44 / 39°F 93% 1002 mb
Low level cloud: 22%
Mid level cloud: 26%
High level cloud: 3%
Most Significant Cloud Type: low
31%
0.00 In
06:00

NW
NW

11 / 17 mph 39 / 33°F 91% 1009 mb
Low level cloud: 41%
Mid level cloud: 53%
High level cloud: 26%
Most Significant Cloud Type: low
62%
0.03 In
12:00

W
W

15 / 20 mph 49 / 43°F 60% 1001 mb
Low level cloud: 37%
Mid level cloud: 20%
High level cloud: 32%
Most Significant Cloud Type: low
47%
0.00 In
18:00

WSW
WSW

8 / 14 mph 50 / 47°F 80% 1008 mb
Low level cloud: 3%
Mid level cloud: 11%
High level cloud: 32%
Most Significant Cloud Type: medium
20%
0.18 In
Mon 30
Apr
00:00

W
W

10 / 15 mph 40 / 33°F 91% 1002 mb
Low level cloud: 9%
Mid level cloud: 21%
High level cloud: 33%
Most Significant Cloud Type: low
20%
0.04 In
06:00

S
S

9 / 12 mph 39 / 33°F 93% 1003 mb
Low level cloud: 20%
Mid level cloud: 34%
High level cloud: 67%
Most Significant Cloud Type: low
39%
0.00 In
12:00

N
N

6 / 9 mph 50 / 48°F 70% 1002 mb
Low level cloud: 21%
Mid level cloud: 21%
High level cloud: 8%
Most Significant Cloud Type: low
29%
0.05 In
18:00

SE
SE

17 / 28 mph 47 / 40°F 86% 996 mb
Low level cloud: 68%
Mid level cloud: 52%
High level cloud: 76%
Most Significant Cloud Type: low
95%
0.07 In
Tue 01
May
00:00

NNW
NNW

12 / 21 mph 40 / 32°F 96% 1007 mb
Low level cloud: 75%
Mid level cloud: 19%
High level cloud: 3%
Most Significant Cloud Type: low
82%
0.14 In
06:00

SSE
SSE

11 / 16 mph 43 / 37°F 95% 993 mb
Low level cloud: 54%
Mid level cloud: 38%
High level cloud: 32%
Most Significant Cloud Type: low
70%
0.33 In
12:00

N
N

20 / 28 mph 42 / 33°F 74% 1015 mb
Low level cloud: 68%
Mid level cloud: 12%
High level cloud: 0%
Most Significant Cloud Type: low
72%
0.04 In
18:00

SSE
SSE

15 / 26 mph 48 / 42°F 83% 992 mb
Low level cloud: 4%
Mid level cloud: 40%
High level cloud: 33%
Most Significant Cloud Type: medium
51%
0.16 In
Wed 02
May
00:00

NW
NW

6 / 6 mph 42 / 38°F 88% 1021 mb
Low level cloud: 0%
Mid level cloud: 5%
High level cloud: 2%
Most Significant Cloud Type: medium
4%
0.01 In
06:00

SSE
SSE

14 / 23 mph 41 / 33°F 90% 994 mb
Low level cloud: 46%
Mid level cloud: 13%
High level cloud: 0%
Most Significant Cloud Type: low
50%
0.01 In
12:00

W
W

9 / 10 mph 52 / 49°F 56% 1023 mb
Low level cloud: 1%
Mid level cloud: 7%
High level cloud: 0%
Most Significant Cloud Type: medium
10%
0.00 In
18:00

SSE
SSE

12 / 22 mph 49 / 44°F 83% 997 mb
Low level cloud: 0%
Mid level cloud: 50%
High level cloud: 63%
Most Significant Cloud Type: medium
52%
0.22 In
Thu 03
May
00:00

WSW
WSW

10 / 16 mph 43 / 37°F 86% 1024 mb
Low level cloud: 25%
Mid level cloud: 54%
High level cloud: 35%
Most Significant Cloud Type: low
48%
0.00 In
06:00

S
S

12 / 20 mph 41 / 34°F 93% 999 mb
Low level cloud: 39%
Mid level cloud: 25%
High level cloud: 77%
Most Significant Cloud Type: low
56%
0.03 In
12:00

NW
NW

11 / 13 mph 56 / 53°F 70% 1026 mb
Low level cloud: 50%
Mid level cloud: 5%
High level cloud: 0%
Most Significant Cloud Type: low
51%
0.03 In
18:00

SSW
SSW

14 / 27 mph 49 / 44°F 81% 999 mb
Low level cloud: 4%
Mid level cloud: 21%
High level cloud: 55%
Most Significant Cloud Type: medium
33%
0.25 In
Fri 04
May
00:00

WSW
WSW

3 / 4 mph 53 / 53°F 87% 1033 mb
Low level cloud: 6%
Mid level cloud: 2%
High level cloud: 14%
Most Significant Cloud Type: low
8%
0.02 In
06:00

SW
SW

8 / 11 mph 44 / 39°F 94% 1009 mb
Low level cloud: 37%
Mid level cloud: 6%
High level cloud: 0%
Most Significant Cloud Type: low
38%
0.01 In
12:00

SSE
SSE

2 / 2 mph 62 / 62°F 58% 1035 mb
Low level cloud: 0%
Mid level cloud: 4%
High level cloud: 2%
Most Significant Cloud Type: medium
5%
0.00 In
18:00

E
E

6 / 7 mph 58 / 57°F 75% 1014 mb
Low level cloud: 17%
Mid level cloud: 11%
High level cloud: 38%
Most Significant Cloud Type: low
24%
0.01 In

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