WEATHER FOR BUSINESS

We supply weather data to businesses

Free Weather Plugin

Add this forecast to your website



Local Weather

Earlsdon 14 Day Long Range Forecast

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

West Midlands, United Kingdom

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

The forecast for Earlsdon in the coming two weeks is predicting the average daytime maximum temperature will be around 18°C, with a high for the two weeks of 20°C expected on the afternoon of Sunday 19th. The mean minimum temperature will be 9°C, dipping to its lowest on the morning of Tuesday 21st at 5°C. The next 14 days will have some days seeing a little precipitation and some days with rain. Predictions are Thursday 23rd 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
Fri 17
May
18:00

NE
NE

4 / 6 mph 66 / 64°F 83% 1011 mb
Low level cloud: 3%
Mid level cloud: 21%
High level cloud: 100%
Most Significant Cloud Type: medium
34%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

NNE
NNE

5 / 10 mph 56 / 55°F 91% 1012 mb
Low level cloud: 0%
Mid level cloud: 35%
High level cloud: 100%
Most Significant Cloud Type: medium
39%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Sat 18
May
00:00

NE
NE

4 / 8 mph 54 / 53°F 94% 1013 mb
Low level cloud: 10%
Mid level cloud: 16%
High level cloud: 2%
Most Significant Cloud Type: low
16%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

NNE
NNE

5 / 11 mph 51 / 49°F 97% 1013 mb
Low level cloud: 46%
Mid level cloud: 10%
High level cloud: 29%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

N
N

7 / 10 mph 55 / 51°F 96% 1014 mb
Low level cloud: 59%
Mid level cloud: 18%
High level cloud: 33%
Most Significant Cloud Type: low
69%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

NNE
NNE

10 / 12 mph 61 / 60°F 84% 1014 mb
Low level cloud: 84%
Mid level cloud: 19%
High level cloud: 19%
Most Significant Cloud Type: low
93%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

NE
NE

10 / 12 mph 61 / 61°F 85% 1014 mb
Low level cloud: 89%
Mid level cloud: 85%
High level cloud: 1%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

NE
NE

7 / 9 mph 64 / 64°F 81% 1014 mb
Low level cloud: 10%
Mid level cloud: 73%
High level cloud: 0%
Most Significant Cloud Type: medium
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

NE
NE

10 / 14 mph 65 / 63°F 87% 1014 mb
Low level cloud: 6%
Mid level cloud: 20%
High level cloud: 0%
Most Significant Cloud Type: medium
37%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

NE
NE

7 / 12 mph 57 / 54°F 94% 1015 mb
Low level cloud: 3%
Mid level cloud: 4%
High level cloud: 0%
Most Significant Cloud Type: low
4%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Sun 19
May
00:00

NNE
NNE

7 / 12 mph 50 / 47°F 95% 1016 mb
Low level cloud: 6%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
6%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

NNE
NNE

7 / 13 mph 47 / 43°F 96% 1016 mb
Low level cloud: 22%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
21%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

NNE
NNE

7 / 11 mph 50 / 46°F 93% 1017 mb
Low level cloud: 32%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
32%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

NE
NE

9 / 11 mph 61 / 60°F 77% 1017 mb
Low level cloud: 18%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
17%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

NE
NE

9 / 11 mph 67 / 65°F 64% 1017 mb
Low level cloud: 5%
Mid level cloud: 0%
High level cloud: 1%
Most Significant Cloud Type: low
5%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

NE
NE

9 / 11 mph 69 / 67°F 61% 1016 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
18:00

NE
NE

9 / 10 mph 68 / 67°F 76% 1016 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
21:00

ENE
ENE

7 / 13 mph 55 / 52°F 92% 1017 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
Mon 20
May
00:00

NE
NE

6 / 11 mph 49 / 47°F 95% 1017 mb
Low level cloud: 7%
Mid level cloud: 8%
High level cloud: 0%
Most Significant Cloud Type: low
9%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

NNE
NNE

6 / 13 mph 46 / 42°F 97% 1017 mb
Low level cloud: 43%
Mid level cloud: 10%
High level cloud: 1%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

NNE
NNE

9 / 12 mph 49 / 45°F 95% 1017 mb
Low level cloud: 72%
Mid level cloud: 14%
High level cloud: 5%
Most Significant Cloud Type: low
77%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

NE
NE

10 / 11 mph 59 / 55°F 77% 1016 mb
Low level cloud: 47%
Mid level cloud: 26%
High level cloud: 7%
Most Significant Cloud Type: low
56%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

NE
NE

10 / 12 mph 63 / 62°F 72% 1014 mb
Low level cloud: 99%
Mid level cloud: 26%
High level cloud: 3%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

NE
NE

10 / 11 mph 63 / 61°F 75% 1013 mb
Low level cloud: 51%
Mid level cloud: 22%
High level cloud: 0%
Most Significant Cloud Type: low
58%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

NE
NE

8 / 10 mph 60 / 58°F 80% 1013 mb
Low level cloud: 2%
Mid level cloud: 16%
High level cloud: 0%
Most Significant Cloud Type: medium
22%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

NE
NE

6 / 12 mph 52 / 48°F 84% 1013 mb
Low level cloud: 0%
Mid level cloud: 18%
High level cloud: 2%
Most Significant Cloud Type: medium
17%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Tue 21
May
00:00

NE
NE

5 / 9 mph 45 / 42°F 83% 1012 mb
Low level cloud: 0%
Mid level cloud: 20%
High level cloud: 3%
Most Significant Cloud Type: medium
19%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

NNE
NNE

4 / 9 mph 42 / 39°F 79% 1011 mb
Low level cloud: 0%
Mid level cloud: 16%
High level cloud: 1%
Most Significant Cloud Type: medium
16%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

NNE
NNE

4 / 6 mph 46 / 44°F 73% 1011 mb
Low level cloud: 0%
Mid level cloud: 11%
High level cloud: 0%
Most Significant Cloud Type: medium
11%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

NNE
NNE

4 / 4 mph 57 / 55°F 58% 1011 mb
Low level cloud: 0%
Mid level cloud: 10%
High level cloud: 2%
Most Significant Cloud Type: medium
9%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

NE
NE

1 / 1 mph 65 / 63°F 52% 1010 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
15:00

SE
SE

2 / 2 mph 67 / 65°F 53% 1009 mb
Low level cloud: 0%
Mid level cloud: 5%
High level cloud: 29%
Most Significant Cloud Type: medium
6%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

SSE
SSE

2 / 2 mph 67 / 65°F 69% 1009 mb
Low level cloud: 0%
Mid level cloud: 4%
High level cloud: 22%
Most Significant Cloud Type: medium
4%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

SW
SW

2 / 4 mph 57 / 57°F 75% 1010 mb
Low level cloud: 0%
Mid level cloud: 4%
High level cloud: 100%
Most Significant Cloud Type: medium
8%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Wed 22
May
00:00

WNW
WNW

2 / 3 mph 52 / 52°F 76% 1010 mb
Low level cloud: 0%
Mid level cloud: 28%
High level cloud: 100%
Most Significant Cloud Type: medium
32%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

NW
NW

3 / 6 mph 51 / 51°F 77% 1010 mb
Low level cloud: 0%
Mid level cloud: 75%
High level cloud: 100%
Most Significant Cloud Type: medium
79%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

NW
NW

5 / 8 mph 54 / 52°F 85% 1010 mb
Low level cloud: 0%
Mid level cloud: 75%
High level cloud: 100%
Most Significant Cloud Type: medium
78%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

NNW
NNW

9 / 11 mph 62 / 60°F 75% 1011 mb
Low level cloud: 0%
Mid level cloud: 47%
High level cloud: 100%
Most Significant Cloud Type: medium
51%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

NNW
NNW

10 / 12 mph 64 / 62°F 70% 1011 mb
Low level cloud: 40%
Mid level cloud: 55%
High level cloud: 100%
Most Significant Cloud Type: low
71%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

NNW
NNW

9 / 11 mph 63 / 63°F 72% 1010 mb
Low level cloud: 18%
Mid level cloud: 86%
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

NNW
NNW

8 / 12 mph 57 / 55°F 91% 1011 mb
Low level cloud: 68%
Mid level cloud: 75%
High level cloud: 100%
Most Significant Cloud Type: low
100%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
21:00

NW
NW

6 / 9 mph 55 / 53°F 97% 1012 mb
Low level cloud: 51%
Mid level cloud: 85%
High level cloud: 100%
Most Significant Cloud Type: low
92%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Thu 23
May
00:00

WNW
WNW

10 / 14 mph 52 / 49°F 98% 1012 mb
Low level cloud: 85%
Mid level cloud: 97%
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

NW
NW

9 / 13 mph 52 / 49°F 98% 1012 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
06:00

WNW
WNW

10 / 15 mph 51 / 48°F 97% 1013 mb
Low level cloud: 99%
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
09:00

WNW
WNW

11 / 14 mph 51 / 47°F 96% 1014 mb
Low level cloud: 91%
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
12:00

WNW
WNW

11 / 15 mph 53 / 49°F 92% 1014 mb
Low level cloud: 80%
Mid level cloud: 100%
High level cloud: 32%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

WNW
WNW

11 / 14 mph 54 / 51°F 87% 1014 mb
Low level cloud: 82%
Mid level cloud: 74%
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

NW
NW

7 / 9 mph 54 / 51°F 90% 1015 mb
Low level cloud: 61%
Mid level cloud: 46%
High level cloud: 96%
Most Significant Cloud Type: low
88%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

WSW
WSW

2 / 4 mph 50 / 50°F 93% 1016 mb
Low level cloud: 72%
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
DayLocal TimeDirSpeed/
Gust
Temp/
Feels Like
HumidityPressureCloud AmountPrecip AmountWeather
Fri 24
May
00:00

NNW
NNW

8 / 16 mph 49 / 46°F 95% 1012 mb
Low level cloud: 99%
Mid level cloud: 19%
High level cloud: 4%
Most Significant Cloud Type: low
100%
0.0 In
06:00

NW
NW

3 / 7 mph 51 / 50°F 89% 1014 mb
Low level cloud: 10%
Mid level cloud: 65%
High level cloud: 100%
Most Significant Cloud Type: medium
97%
0.0 In
12:00

ENE
ENE

13 / 28 mph 60 / 60°F 81% 1017 mb
Low level cloud: 99%
Mid level cloud: 46%
High level cloud: 0%
Most Significant Cloud Type: low
100%
0.0 In
18:00

E
E

9 / 18 mph 65 / 65°F 89% 1018 mb
Low level cloud: 10%
Mid level cloud: 27%
High level cloud: 8%
Most Significant Cloud Type: low
20%
0.0 In
Sat 25
May
00:00

NNE
NNE

13 / 27 mph 51 / 46°F 97% 1020 mb
Low level cloud: 79%
Mid level cloud: 4%
High level cloud: 0%
Most Significant Cloud Type: low
80%
0.0 In
06:00

WNW
WNW

4 / 9 mph 59 / 59°F 85% 1024 mb
Low level cloud: 3%
Mid level cloud: 9%
High level cloud: 12%
Most Significant Cloud Type: low
7%
0.0 In
12:00

SW
SW

9 / 18 mph 60 / 60°F 57% 1021 mb
Low level cloud: 0%
Mid level cloud: 21%
High level cloud: 92%
Most Significant Cloud Type: medium
24%
0.0 In
18:00

S
S

9 / 19 mph 64 / 64°F 86% 1019 mb
Low level cloud: 14%
Mid level cloud: 12%
High level cloud: 0%
Most Significant Cloud Type: low
18%
0.0 In
Sun 26
May
00:00

ESE
ESE

5 / 11 mph 56 / 56°F 95% 1015 mb
Low level cloud: 28%
Mid level cloud: 58%
High level cloud: 58%
Most Significant Cloud Type: low
54%
0.0 In
06:00

ESE
ESE

7 / 14 mph 52 / 50°F 94% 1019 mb
Low level cloud: 7%
Mid level cloud: 17%
High level cloud: 88%
Most Significant Cloud Type: medium
39%
0.0 In
12:00

E
E

14 / 29 mph 63 / 63°F 89% 1013 mb
Low level cloud: 29%
Mid level cloud: 100%
High level cloud: 20%
Most Significant Cloud Type: medium
100%
0.1 In
18:00

SSW
SSW

6 / 13 mph 59 / 59°F 86% 1014 mb
Low level cloud: 0%
Mid level cloud: 83%
High level cloud: 100%
Most Significant Cloud Type: medium
86%
0.3 In
Mon 27
May
00:00

NE
NE

11 / 24 mph 51 / 47°F 98% 1015 mb
Low level cloud: 91%
Mid level cloud: 35%
High level cloud: 13%
Most Significant Cloud Type: low
100%
0.2 In
06:00

W
W

8 / 17 mph 49 / 46°F 89% 1016 mb
Low level cloud: 91%
Mid level cloud: 4%
High level cloud: 0%
Most Significant Cloud Type: low
92%
0.0 In
12:00

NE
NE

11 / 24 mph 60 / 60°F 82% 1016 mb
Low level cloud: 91%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
90%
0.0 In
18:00

NW
NW

11 / 24 mph 53 / 49°F 78% 1019 mb
Low level cloud: 2%
Mid level cloud: 22%
High level cloud: 0%
Most Significant Cloud Type: medium
28%
0.0 In
Tue 28
May
00:00

E
E

4 / 8 mph 58 / 59°F 95% 1015 mb
Low level cloud: 7%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
7%
0.0 In
06:00

W
W

4 / 8 mph 49 / 47°F 84% 1023 mb
Low level cloud: 0%
Mid level cloud: 46%
High level cloud: 0%
Most Significant Cloud Type: medium
46%
0.0 In
12:00

SW
SW

4 / 9 mph 70 / 70°F 65% 1012 mb
Low level cloud: 19%
Mid level cloud: 6%
High level cloud: 100%
Most Significant Cloud Type: low
33%
0.0 In
18:00

N
N

6 / 12 mph 58 / 58°F 69% 1023 mb
Low level cloud: 5%
Mid level cloud: 44%
High level cloud: 0%
Most Significant Cloud Type: medium
58%
0.1 In
Wed 29
May
00:00

W
W

5 / 11 mph 59 / 58°F 93% 1009 mb
Low level cloud: 33%
Mid level cloud: 27%
High level cloud: 100%
Most Significant Cloud Type: low
54%
0.0 In
06:00

SW
SW

2 / 5 mph 55 / 56°F 77% 1022 mb
Low level cloud: 1%
Mid level cloud: 3%
High level cloud: 6%
Most Significant Cloud Type: medium
5%
0.0 In
12:00

W
W

8 / 17 mph 63 / 63°F 57% 1009 mb
Low level cloud: 21%
Mid level cloud: 8%
High level cloud: 18%
Most Significant Cloud Type: low
25%
0.0 In
18:00

S
S

9 / 18 mph 49 / 46°F 93% 1019 mb
Low level cloud: 99%
Mid level cloud: 93%
High level cloud: 96%
Most Significant Cloud Type: low
100%
0.0 In
Thu 30
May
00:00

WSW
WSW

6 / 13 mph 48 / 45°F 83% 1011 mb
Low level cloud: 1%
Mid level cloud: 8%
High level cloud: 0%
Most Significant Cloud Type: medium
10%
0.0 In
06:00

NNW
NNW

9 / 19 mph 51 / 47°F 92% 1018 mb
Low level cloud: 84%
Mid level cloud: 24%
High level cloud: 0%
Most Significant Cloud Type: low
92%
0.0 In
12:00

WSW
WSW

10 / 20 mph 57 / 55°F 68% 1009 mb
Low level cloud: 37%
Mid level cloud: 44%
High level cloud: 0%
Most Significant Cloud Type: low
52%
0.0 In
18:00

NW
NW

8 / 16 mph 59 / 59°F 72% 1020 mb
Low level cloud: 2%
Mid level cloud: 12%
High level cloud: 19%
Most Significant Cloud Type: medium
19%
0.0 In
Fri 31
May
00:00

SSW
SSW

6 / 13 mph 48 / 45°F 96% 1008 mb
Low level cloud: 13%
Mid level cloud: 100%
High level cloud: 0%
Most Significant Cloud Type: medium
100%
0.1 In
06:00

WSW
WSW

5 / 10 mph 52 / 51°F 86% 1021 mb
Low level cloud: 2%
Mid level cloud: 22%
High level cloud: 100%
Most Significant Cloud Type: medium
32%
0.0 In
12:00

WNW
WNW

7 / 16 mph 58 / 56°F 70% 1009 mb
Low level cloud: 95%
Mid level cloud: 32%
High level cloud: 0%
Most Significant Cloud Type: low
100%
0.1 In
18:00

SW
SW

12 / 24 mph 56 / 53°F 82% 1020 mb
Low level cloud: 22%
Mid level cloud: 44%
High level cloud: 98%
Most Significant Cloud Type: low
49%
0.0 In
Sat 01
Jun
00:00

WNW
WNW

6 / 13 mph 47 / 44°F 89% 1015 mb
Low level cloud: 0%
Mid level cloud: 3%
High level cloud: 0%
Most Significant Cloud Type: medium
3%
0.1 In
06:00

SW
SW

10 / 21 mph 55 / 53°F 93% 1019 mb
Low level cloud: 88%
Mid level cloud: 0%
High level cloud: 32%
Most Significant Cloud Type: low
91%
0.0 In
12:00

NW
NW

8 / 17 mph 62 / 62°F 55% 1018 mb
Low level cloud: 21%
Mid level cloud: 20%
High level cloud: 0%
Most Significant Cloud Type: low
27%
0.0 In
18:00

WSW
WSW

8 / 17 mph 65 / 65°F 70% 1021 mb
Low level cloud: 0%
Mid level cloud: 3%
High level cloud: 100%
Most Significant Cloud Type: medium
6%
0.0 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