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

Cathays Park 14 Day Long Range Forecast

14 Day weather providing an extended long range forecast outlook for Cathays Park

Glamorgan, United Kingdom

Long range weather outlook for Cathays Park includes 14 day forecast summary:

Over the next 14 days the Cathays Park forecast suggests the average daytime maximum temperature will be around 24°C, with a high for the two weeks of 29°C expected on the afternoon of Wednesday 1st. The mean minimum temperature will be 16°C, dipping to its lowest on the morning of Saturday 28th at 12°C. Expect the coming 14 days to remain predominantly dry. On the whole winds are likely to be moderate.

DayLocal TimeDirSpeed/
Gust
Temp/
Feels Like
HumidityPressureCloud AmountPrecip AmountWeather
Mon 23
Jul
12:00

W
W

10 / 12 mph 73 / 76°F 76% 1017 mb
Low level cloud: 86%
Mid level cloud: 12%
High level cloud: 0%
Most Significant Cloud Type: low
90%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
15:00

W
W

11 / 13 mph 75 / 77°F 73% 1016 mb
Low level cloud: 54%
Mid level cloud: 13%
High level cloud: 0%
Most Significant Cloud Type: low
58%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
18:00

W
W

9 / 11 mph 73 / 76°F 78% 1016 mb
Low level cloud: 31%
Mid level cloud: 12%
High level cloud: 0%
Most Significant Cloud Type: low
35%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
21:00

W
W

6 / 11 mph 67 / 65°F 92% 1016 mb
Low level cloud: 40%
Mid level cloud: 10%
High level cloud: 0%
Most Significant Cloud Type: low
43%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
Tue 24
Jul
00:00

W
W

6 / 10 mph 63 / 63°F 94% 1016 mb
Low level cloud: 45%
Mid level cloud: 8%
High level cloud: 3%
Most Significant Cloud Type: low
48%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
03:00

W
W

4 / 7 mph 62 / 62°F 94% 1015 mb
Low level cloud: 39%
Mid level cloud: 8%
High level cloud: 0%
Most Significant Cloud Type: low
41%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
06:00

WSW
WSW

4 / 6 mph 66 / 63°F 92% 1015 mb
Low level cloud: 49%
Mid level cloud: 6%
High level cloud: 0%
Most Significant Cloud Type: low
50%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
09:00

WSW
WSW

5 / 6 mph 70 / 67°F 79% 1015 mb
Low level cloud: 55%
Mid level cloud: 4%
High level cloud: 0%
Most Significant Cloud Type: low
56%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
12:00

WSW
WSW

8 / 9 mph 74 / 76°F 66% 1015 mb
Low level cloud: 6%
Mid level cloud: 4%
High level cloud: 0%
Most Significant Cloud Type: low
7%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
15:00

W
W

10 / 11 mph 74 / 77°F 65% 1015 mb
Low level cloud: 2%
Mid level cloud: 4%
High level cloud: 8%
Most Significant Cloud Type: low
4%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
18:00

W
W

11 / 13 mph 72 / 76°F 75% 1015 mb
Low level cloud: 0%
Mid level cloud: 8%
High level cloud: 4%
Most Significant Cloud Type: medium
8%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
21:00

W
W

7 / 12 mph 67 / 65°F 92% 1016 mb
Low level cloud: 11%
Mid level cloud: 19%
High level cloud: 0%
Most Significant Cloud Type: low
17%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
Wed 25
Jul
00:00

NW
NW

7 / 12 mph 62 / 62°F 91% 1016 mb
Low level cloud: 11%
Mid level cloud: 28%
High level cloud: 33%
Most Significant Cloud Type: low
25%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
03:00

NW
NW

7 / 12 mph 59 / 59°F 87% 1017 mb
Low level cloud: 13%
Mid level cloud: 45%
High level cloud: 72%
Most Significant Cloud Type: medium
84%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
06:00

NW
NW

6 / 9 mph 63 / 60°F 82% 1017 mb
Low level cloud: 0%
Mid level cloud: 16%
High level cloud: 81%
Most Significant Cloud Type: medium
20%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
09:00

WNW
WNW

6 / 6 mph 68 / 66°F 67% 1018 mb
Low level cloud: 3%
Mid level cloud: 2%
High level cloud: 33%
Most Significant Cloud Type: medium
10%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
12:00

W
W

8 / 9 mph 72 / 76°F 59% 1018 mb
Low level cloud: 0%
Mid level cloud: 3%
High level cloud: 18%
Most Significant Cloud Type: medium
3%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
15:00

W
W

11 / 13 mph 72 / 76°F 59% 1018 mb
Low level cloud: 0%
Mid level cloud: 3%
High level cloud: 16%
Most Significant Cloud Type: medium
3%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
18:00

W
W

10 / 12 mph 72 / 76°F 69% 1017 mb
Low level cloud: 0%
Mid level cloud: 1%
High level cloud: 9%
Most Significant Cloud Type: medium
1%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
21:00

WNW
WNW

8 / 14 mph 64 / 62°F 84% 1017 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 9%
Most Significant Cloud Type: high
8%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
Thu 26
Jul
00:00

NW
NW

5 / 11 mph 60 / 60°F 86% 1016 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

NNE
NNE

2 / 4 mph 59 / 59°F 81% 1015 mb
Low level cloud: 0%
Mid level cloud: 1%
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

ESE
ESE

2 / 4 mph 63 / 61°F 78% 1015 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
09:00

SSE
SSE

5 / 7 mph 72 / 69°F 65% 1014 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
12:00

SSW
SSW

7 / 9 mph 79 / 78°F 59% 1014 mb
Low level cloud: 56%
Mid level cloud: 5%
High level cloud: 0%
Most Significant Cloud Type: low
57%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
15:00

SSW
SSW

10 / 13 mph 81 / 80°F 56% 1013 mb
Low level cloud: 33%
Mid level cloud: 3%
High level cloud: 5%
Most Significant Cloud Type: low
34%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
18:00

WSW
WSW

9 / 11 mph 79 / 79°F 63% 1012 mb
Low level cloud: 0%
Mid level cloud: 5%
High level cloud: 12%
Most Significant Cloud Type: medium
5%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
21:00

WNW
WNW

6 / 11 mph 69 / 67°F 79% 1013 mb
Low level cloud: 1%
Mid level cloud: 5%
High level cloud: 0%
Most Significant Cloud Type: medium
7%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
Fri 27
Jul
00:00

W
W

3 / 5 mph 64 / 64°F 86% 1012 mb
Low level cloud: 0%
Mid level cloud: 10%
High level cloud: 2%
Most Significant Cloud Type: medium
10%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
03:00

SW
SW

4 / 9 mph 61 / 61°F 88% 1012 mb
Low level cloud: 0%
Mid level cloud: 5%
High level cloud: 74%
Most Significant Cloud Type: medium
7%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
06:00

SSW
SSW

6 / 10 mph 64 / 63°F 88% 1012 mb
Low level cloud: 77%
Mid level cloud: 45%
High level cloud: 20%
Most Significant Cloud Type: low
94%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
09:00

W
W

10 / 12 mph 69 / 68°F 79% 1013 mb
Low level cloud: 51%
Mid level cloud: 7%
High level cloud: 77%
Most Significant Cloud Type: low
62%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
12:00

W
W

13 / 15 mph 72 / 76°F 57% 1014 mb
Low level cloud: 0%
Mid level cloud: 1%
High level cloud: 22%
Most Significant Cloud Type: high
22%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
15:00

W
W

15 / 17 mph 71 / 70°F 57% 1015 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 77%
Most Significant Cloud Type: high
77%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
18:00

W
W

15 / 17 mph 69 / 68°F 70% 1016 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

WNW
WNW

12 / 15 mph 65 / 64°F 81% 1017 mb
Low level cloud: 0%
Mid level cloud: 2%
High level cloud: 0%
Most Significant Cloud Type: medium
1%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
Sat 28
Jul
00:00

NW
NW

9 / 11 mph 61 / 61°F 78% 1018 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

NW
NW

5 / 10 mph 56 / 55°F 83% 1019 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 32%
Most Significant Cloud Type: high
31%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
06:00

NW
NW

3 / 5 mph 58 / 58°F 81% 1019 mb
Low level cloud: 0%
Mid level cloud: 3%
High level cloud: 19%
Most Significant Cloud Type: medium
4%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
09:00

W
W

5 / 6 mph 67 / 64°F 60% 1020 mb
Low level cloud: 2%
Mid level cloud: 9%
High level cloud: 10%
Most Significant Cloud Type: medium
14%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
12:00

WSW
WSW

7 / 8 mph 70 / 68°F 54% 1019 mb
Low level cloud: 0%
Mid level cloud: 6%
High level cloud: 41%
Most Significant Cloud Type: medium
7%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
15:00

W
W

8 / 9 mph 72 / 69°F 53% 1019 mb
Low level cloud: 0%
Mid level cloud: 12%
High level cloud: 36%
Most Significant Cloud Type: medium
13%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
18:00

WNW
WNW

9 / 10 mph 70 / 68°F 60% 1018 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 17%
Most Significant Cloud Type: high
17%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
21:00

NW
NW

7 / 9 mph 67 / 66°F 74% 1019 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
Sun 29
Jul
00:00

WNW
WNW

3 / 5 mph 59 / 60°F 79% 1018 mb
Low level cloud: 0%
Mid level cloud: 3%
High level cloud: 0%
Most Significant Cloud Type: medium
3%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
03:00

SSW
SSW

4 / 8 mph 56 / 56°F 83% 1017 mb
Low level cloud: 0%
Mid level cloud: 17%
High level cloud: 80%
Most Significant Cloud Type: medium
20%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
06:00

S
S

5 / 7 mph 60 / 58°F 80% 1018 mb
Low level cloud: 0%
Mid level cloud: 29%
High level cloud: 0%
Most Significant Cloud Type: medium
28%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
09:00

SSW
SSW

7 / 8 mph 68 / 66°F 66% 1018 mb
Low level cloud: 0%
Mid level cloud: 23%
High level cloud: 32%
Most Significant Cloud Type: medium
25%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
12:00

SW
SW

9 / 10 mph 75 / 76°F 59% 1017 mb
Low level cloud: 24%
Mid level cloud: 43%
High level cloud: 19%
Most Significant Cloud Type: low
41%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
15:00

WSW
WSW

10 / 12 mph 75 / 77°F 63% 1016 mb
Low level cloud: 44%
Mid level cloud: 43%
High level cloud: 21%
Most Significant Cloud Type: low
61%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
18:00

W
W

8 / 10 mph 74 / 76°F 72% 1016 mb
Low level cloud: 26%
Mid level cloud: 21%
High level cloud: 83%
Most Significant Cloud Type: low
42%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
21:00

WNW
WNW

5 / 8 mph 67 / 66°F 88% 1017 mb
Low level cloud: 47%
Mid level cloud: 51%
High level cloud: 86%
Most Significant Cloud Type: low
75%
Expect 0.00 In of precipitation over the past 3 hours.
0.00 In
DayLocal TimeDirSpeed/
Gust
Temp/
Feels Like
HumidityPressureCloud AmountPrecip AmountWeather
Mon 30
Jul
00:00

NNW
NNW

8 / 16 mph 57 / 55°F 71% 1018 mb
Low level cloud: 89%
Mid level cloud: 26%
High level cloud: 9%
Most Significant Cloud Type: low
99%
0.00 In
06:00

S
S

11 / 17 mph 62 / 62°F 94% 1013 mb
Low level cloud: 71%
Mid level cloud: 45%
High level cloud: 41%
Most Significant Cloud Type: low
91%
0.05 In
12:00

W
W

4 / 5 mph 76 / 78°F 57% 1015 mb
Low level cloud: 1%
Mid level cloud: 2%
High level cloud: 8%
Most Significant Cloud Type: medium
4%
0.00 In
18:00

W
W

6 / 7 mph 67 / 67°F 92% 1014 mb
Low level cloud: 84%
Mid level cloud: 73%
High level cloud: 83%
Most Significant Cloud Type: low
100%
0.08 In
Tue 31
Jul
00:00

W
W

7 / 9 mph 62 / 62°F 73% 1013 mb
Low level cloud: 0%
Mid level cloud: 2%
High level cloud: 0%
Most Significant Cloud Type: medium
2%
0.00 In
06:00

NE
NE

7 / 9 mph 59 / 59°F 65% 1022 mb
Low level cloud: 85%
Mid level cloud: 0%
High level cloud: 8%
Most Significant Cloud Type: low
85%
0.00 In
12:00

S
S

13 / 17 mph 65 / 65°F 84% 1012 mb
Low level cloud: 85%
Mid level cloud: 46%
High level cloud: 0%
Most Significant Cloud Type: low
100%
0.02 In
18:00

WNW
WNW

7 / 8 mph 83 / 88°F 63% 1020 mb
Low level cloud: 0%
Mid level cloud: 19%
High level cloud: 49%
Most Significant Cloud Type: medium
20%
0.00 In
Wed 01
Aug
00:00

SW
SW

6 / 9 mph 61 / 62°F 91% 1013 mb
Low level cloud: 23%
Mid level cloud: 12%
High level cloud: 0%
Most Significant Cloud Type: low
27%
0.08 In
06:00

NE
NE

10 / 15 mph 63 / 63°F 77% 1021 mb
Low level cloud: 0%
Mid level cloud: 10%
High level cloud: 0%
Most Significant Cloud Type: medium
10%
0.00 In
12:00

SW
SW

13 / 17 mph 69 / 69°F 75% 1016 mb
Low level cloud: 19%
Mid level cloud: 29%
High level cloud: 0%
Most Significant Cloud Type: low
29%
0.04 In
18:00

ENE
ENE

7 / 9 mph 83 / 85°F 57% 1017 mb
Low level cloud: 50%
Mid level cloud: 32%
High level cloud: 0%
Most Significant Cloud Type: low
60%
0.00 In
Thu 02
Aug
00:00

W
W

6 / 7 mph 63 / 63°F 89% 1020 mb
Low level cloud: 3%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
2%
0.01 In
06:00

NE
NE

13 / 20 mph 65 / 65°F 87% 1017 mb
Low level cloud: 59%
Mid level cloud: 17%
High level cloud: 0%
Most Significant Cloud Type: low
64%
0.00 In
12:00

W
W

6 / 8 mph 69 / 69°F 61% 1023 mb
Low level cloud: 18%
Mid level cloud: 2%
High level cloud: 0%
Most Significant Cloud Type: low
18%
0.00 In
18:00

SE
SE

9 / 15 mph 85 / 89°F 55% 1014 mb
Low level cloud: 0%
Mid level cloud: 22%
High level cloud: 33%
Most Significant Cloud Type: medium
23%
0.00 In
Fri 03
Aug
00:00

N
N

9 / 17 mph 60 / 60°F 88% 1025 mb
Low level cloud: 4%
Mid level cloud: 0%
High level cloud: 54%
Most Significant Cloud Type: medium
12%
0.00 In
06:00

E
E

12 / 19 mph 67 / 67°F 90% 1014 mb
Low level cloud: 20%
Mid level cloud: 19%
High level cloud: 33%
Most Significant Cloud Type: low
30%
0.00 In
12:00

E
E

8 / 9 mph 77 / 78°F 52% 1024 mb
Low level cloud: 0%
Mid level cloud: 3%
High level cloud: 12%
Most Significant Cloud Type: medium
3%
0.00 In
18:00

WSW
WSW

13 / 26 mph 78 / 80°F 60% 1014 mb
Low level cloud: 0%
Mid level cloud: 22%
High level cloud: 16%
Most Significant Cloud Type: medium
22%
0.06 In
Sat 04
Aug
00:00

SE
SE

7 / 11 mph 66 / 66°F 82% 1023 mb
Low level cloud: 2%
Mid level cloud: 3%
High level cloud: 0%
Most Significant Cloud Type: low
3%
0.00 In
06:00

W
W

8 / 9 mph 67 / 67°F 91% 1019 mb
Low level cloud: 54%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
53%
0.00 In
12:00

ESE
ESE

12 / 18 mph 75 / 77°F 49% 1020 mb
Low level cloud: 31%
Mid level cloud: 16%
High level cloud: 15%
Most Significant Cloud Type: low
38%
0.00 In
18:00

WNW
WNW

15 / 17 mph 71 / 71°F 72% 1022 mb
Low level cloud: 4%
Mid level cloud: 4%
High level cloud: 32%
Most Significant Cloud Type: medium
15%
0.00 In
Sun 05
Aug
00:00

ESE
ESE

9 / 20 mph 63 / 63°F 80% 1017 mb
Low level cloud: 0%
Mid level cloud: 5%
High level cloud: 3%
Most Significant Cloud Type: medium
4%
0.00 In
06:00

NNW
NNW

6 / 8 mph 64 / 64°F 88% 1025 mb
Low level cloud: 2%
Mid level cloud: 2%
High level cloud: 0%
Most Significant Cloud Type: low
2%
0.00 In
12:00

SE
SE

15 / 18 mph 85 / 88°F 52% 1013 mb
Low level cloud: 0%
Mid level cloud: 32%
High level cloud: 24%
Most Significant Cloud Type: medium
32%
0.01 In
18:00

N
N

11 / 16 mph 75 / 77°F 55% 1025 mb
Low level cloud: 0%
Mid level cloud: 5%
High level cloud: 8%
Most Significant Cloud Type: medium
5%
0.00 In
Mon 06
Aug
00:00

S
S

3 / 4 mph 70 / 70°F 90% 1011 mb
Low level cloud: 3%
Mid level cloud: 46%
High level cloud: 52%
Most Significant Cloud Type: medium
55%
0.19 In
06:00

E
E

8 / 12 mph 61 / 61°F 88% 1025 mb
Low level cloud: 7%
Mid level cloud: 4%
High level cloud: 4%
Most Significant Cloud Type: low
9%
0.00 In
12:00

WNW
WNW

11 / 22 mph 69 / 69°F 81% 1012 mb
Low level cloud: 71%
Mid level cloud: 18%
High level cloud: 39%
Most Significant Cloud Type: low
82%
0.47 In
18:00

SE
SE

8 / 9 mph 83 / 84°F 46% 1021 mb
Low level cloud: 0%
Mid level cloud: 7%
High level cloud: 0%
Most Significant Cloud Type: medium
6%
0.00 In
Tue 07
Aug
06:00

E
E

7 / 10 mph 59 / 59°F 86% 1021 mb
Low level cloud: 1%
Mid level cloud: 0%
High level cloud: 22%
Most Significant Cloud Type: high
22%
0.00 In
18:00

SSW
SSW

6 / 6 mph 84 / 86°F 52% 1020 mb
Low level cloud: 0%
Mid level cloud: 18%
High level cloud: 11%
Most Significant Cloud Type: medium
18%
0.00 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