WEATHER FOR BUSINESS

We supply weather data to businesses

Free Weather Plugin

Add this forecast to your website



Local Weather

Marcross 14 Day Long Range Forecast

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

The Vale Of Glamorgan, United Kingdom

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

For Marcross in the coming two weeks the average daytime maximum temperature will be around 18°C, with a high for the two weeks of 22°C expected on the afternoon of Sunday 29th. The average minimum temperature will be 14°C, dipping to its lowest on the morning of Wednesday 2nd at 10°C. Expect the next 14 days have some days seeing a little precipitation and some days with rain. It looks like Tuesday 1st 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
Sun 22
Jun
18:00

WSW
WSW

19 / 24 mph 63 / 63°F 94% 1012 mb
Low level cloud: 87%
Mid level cloud: 43%
High level cloud: 1%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

WSW
WSW

21 / 25 mph 61 / 61°F 97% 1012 mb
Low level cloud: 99%
Mid level cloud: 83%
High level cloud: 0%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Mon 23
Jun
00:00

W
W

18 / 28 mph 58 / 54°F 94% 1012 mb
Low level cloud: 59%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
59%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

WNW
WNW

14 / 23 mph 52 / 48°F 86% 1013 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 21%
Most Significant Cloud Type: high
21%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

W
W

16 / 25 mph 56 / 50°F 77% 1014 mb
Low level cloud: 42%
Mid level cloud: 0%
High level cloud: 14%
Most Significant Cloud Type: low
43%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

WNW
WNW

17 / 20 mph 60 / 56°F 68% 1016 mb
Low level cloud: 22%
Mid level cloud: 6%
High level cloud: 15%
Most Significant Cloud Type: low
25%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

W
W

19 / 22 mph 62 / 61°F 66% 1017 mb
Low level cloud: 77%
Mid level cloud: 0%
High level cloud: 10%
Most Significant Cloud Type: low
77%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

W
W

18 / 21 mph 62 / 61°F 68% 1017 mb
Low level cloud: 30%
Mid level cloud: 2%
High level cloud: 14%
Most Significant Cloud Type: low
32%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

W
W

17 / 20 mph 61 / 60°F 80% 1017 mb
Low level cloud: 4%
Mid level cloud: 6%
High level cloud: 9%
Most Significant Cloud Type: low
7%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

W
W

16 / 24 mph 58 / 53°F 90% 1017 mb
Low level cloud: 33%
Mid level cloud: 23%
High level cloud: 4%
Most Significant Cloud Type: low
42%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Tue 24
Jun
00:00

WSW
WSW

17 / 20 mph 59 / 59°F 90% 1016 mb
Low level cloud: 97%
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

18 / 27 mph 58 / 54°F 96% 1014 mb
Low level cloud: 100%
Mid level cloud: 48%
High level cloud: 6%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

WSW
WSW

20 / 35 mph 57 / 53°F 98% 1014 mb
Low level cloud: 100%
Mid level cloud: 79%
High level cloud: 38%
Most Significant Cloud Type: low
100%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
09:00

WSW
WSW

19 / 30 mph 60 / 60°F 98% 1014 mb
Low level cloud: 100%
Mid level cloud: 52%
High level cloud: 17%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

WSW
WSW

17 / 23 mph 62 / 62°F 97% 1014 mb
Low level cloud: 98%
Mid level cloud: 8%
High level cloud: 11%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

WSW
WSW

17 / 19 mph 64 / 64°F 95% 1014 mb
Low level cloud: 90%
Mid level cloud: 4%
High level cloud: 36%
Most Significant Cloud Type: low
96%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

WSW
WSW

16 / 22 mph 64 / 62°F 89% 1014 mb
Low level cloud: 48%
Mid level cloud: 8%
High level cloud: 7%
Most Significant Cloud Type: low
51%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

WSW
WSW

10 / 14 mph 61 / 61°F 97% 1014 mb
Low level cloud: 80%
Mid level cloud: 15%
High level cloud: 100%
Most Significant Cloud Type: low
97%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Wed 25
Jun
00:00

SW
SW

10 / 15 mph 60 / 60°F 95% 1014 mb
Low level cloud: 96%
Mid level cloud: 8%
High level cloud: 0%
Most Significant Cloud Type: low
98%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

SW
SW

7 / 10 mph 60 / 60°F 96% 1013 mb
Low level cloud: 99%
Mid level cloud: 13%
High level cloud: 0%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

SW
SW

6 / 8 mph 61 / 60°F 93% 1013 mb
Low level cloud: 97%
Mid level cloud: 7%
High level cloud: 2%
Most Significant Cloud Type: low
99%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

WSW
WSW

5 / 6 mph 67 / 64°F 83% 1012 mb
Low level cloud: 53%
Mid level cloud: 5%
High level cloud: 84%
Most Significant Cloud Type: low
64%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

SSW
SSW

5 / 6 mph 70 / 67°F 75% 1011 mb
Low level cloud: 20%
Mid level cloud: 31%
High level cloud: 65%
Most Significant Cloud Type: low
38%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

WSW
WSW

10 / 13 mph 66 / 66°F 79% 1010 mb
Low level cloud: 98%
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
18:00

WSW
WSW

8 / 10 mph 63 / 63°F 97% 1009 mb
Low level cloud: 93%
Mid level cloud: 69%
High level cloud: 0%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

SW
SW

11 / 15 mph 61 / 61°F 97% 1009 mb
Low level cloud: 91%
Mid level cloud: 88%
High level cloud: 13%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Thu 26
Jun
00:00

SSW
SSW

10 / 15 mph 58 / 56°F 97% 1006 mb
Low level cloud: 100%
Mid level cloud: 100%
High level cloud: 66%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

WNW
WNW

15 / 24 mph 57 / 53°F 94% 1006 mb
Low level cloud: 70%
Mid level cloud: 54%
High level cloud: 2%
Most Significant Cloud Type: low
88%
Expect 0.3 In of precipitation over the past 3 hours.
0.3 In
06:00

WNW
WNW

10 / 14 mph 57 / 54°F 93% 1009 mb
Low level cloud: 60%
Mid level cloud: 20%
High level cloud: 0%
Most Significant Cloud Type: low
67%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

W
W

13 / 19 mph 59 / 55°F 81% 1011 mb
Low level cloud: 52%
Mid level cloud: 8%
High level cloud: 7%
Most Significant Cloud Type: low
55%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

W
W

17 / 20 mph 62 / 61°F 72% 1013 mb
Low level cloud: 25%
Mid level cloud: 6%
High level cloud: 100%
Most Significant Cloud Type: low
39%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

W
W

17 / 20 mph 63 / 62°F 66% 1015 mb
Low level cloud: 46%
Mid level cloud: 24%
High level cloud: 100%
Most Significant Cloud Type: low
66%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

W
W

15 / 17 mph 63 / 61°F 78% 1017 mb
Low level cloud: 35%
Mid level cloud: 45%
High level cloud: 16%
Most Significant Cloud Type: low
52%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

WSW
WSW

15 / 19 mph 60 / 59°F 80% 1018 mb
Low level cloud: 79%
Mid level cloud: 25%
High level cloud: 18%
Most Significant Cloud Type: low
89%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Fri 27
Jun
00:00

WSW
WSW

15 / 21 mph 59 / 56°F 83% 1019 mb
Low level cloud: 90%
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

SW
SW

15 / 21 mph 59 / 56°F 87% 1019 mb
Low level cloud: 50%
Mid level cloud: 44%
High level cloud: 0%
Most Significant Cloud Type: low
64%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

SW
SW

13 / 18 mph 62 / 60°F 88% 1019 mb
Low level cloud: 43%
Mid level cloud: 31%
High level cloud: 0%
Most Significant Cloud Type: low
53%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

WSW
WSW

15 / 18 mph 66 / 65°F 80% 1020 mb
Low level cloud: 5%
Mid level cloud: 25%
High level cloud: 0%
Most Significant Cloud Type: medium
39%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

WSW
WSW

17 / 20 mph 68 / 67°F 79% 1021 mb
Low level cloud: 0%
Mid level cloud: 9%
High level cloud: 0%
Most Significant Cloud Type: medium
8%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

WSW
WSW

17 / 19 mph 68 / 67°F 85% 1021 mb
Low level cloud: 9%
Mid level cloud: 0%
High level cloud: 1%
Most Significant Cloud Type: low
8%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

W
W

13 / 17 mph 66 / 64°F 89% 1022 mb
Low level cloud: 21%
Mid level cloud: 2%
High level cloud: 42%
Most Significant Cloud Type: low
26%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

WSW
WSW

7 / 12 mph 64 / 60°F 97% 1022 mb
Low level cloud: 52%
Mid level cloud: 5%
High level cloud: 32%
Most Significant Cloud Type: low
57%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Sat 28
Jun
00:00

WSW
WSW

6 / 11 mph 59 / 59°F 97% 1022 mb
Low level cloud: 70%
Mid level cloud: 6%
High level cloud: 32%
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 60 / 60°F 97% 1021 mb
Low level cloud: 73%
Mid level cloud: 5%
High level cloud: 16%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

SW
SW

8 / 11 mph 65 / 62°F 94% 1021 mb
Low level cloud: 58%
Mid level cloud: 5%
High level cloud: 0%
Most Significant Cloud Type: low
59%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

WSW
WSW

15 / 18 mph 68 / 67°F 84% 1022 mb
Low level cloud: 65%
Mid level cloud: 6%
High level cloud: 0%
Most Significant Cloud Type: low
67%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

WSW
WSW

18 / 23 mph 67 / 67°F 86% 1021 mb
Low level cloud: 75%
Mid level cloud: 9%
High level cloud: 0%
Most Significant Cloud Type: low
78%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

WSW
WSW

18 / 24 mph 66 / 66°F 86% 1021 mb
Low level cloud: 75%
Mid level cloud: 23%
High level cloud: 54%
Most Significant Cloud Type: low
89%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

WSW
WSW

14 / 19 mph 64 / 64°F 93% 1022 mb
Low level cloud: 98%
Mid level cloud: 27%
High level cloud: 0%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

W
W

7 / 9 mph 62 / 62°F 98% 1023 mb
Low level cloud: 90%
Mid level cloud: 7%
High level cloud: 7%
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
Sun 29
Jun
00:00

NW
NW

4 / 8 mph 66 / 66°F 90% 1024 mb
Low level cloud: 0%
Mid level cloud: 3%
High level cloud: 0%
Most Significant Cloud Type: medium
3%
0.0 In
06:00

WSW
WSW

6 / 13 mph 62 / 62°F 95% 1018 mb
Low level cloud: 93%
Mid level cloud: 7%
High level cloud: 0%
Most Significant Cloud Type: low
95%
0.0 In
12:00

W
W

16 / 31 mph 66 / 66°F 82% 1021 mb
Low level cloud: 58%
Mid level cloud: 9%
High level cloud: 21%
Most Significant Cloud Type: low
63%
0.0 In
18:00

W
W

12 / 23 mph 67 / 67°F 92% 1019 mb
Low level cloud: 71%
Mid level cloud: 47%
High level cloud: 0%
Most Significant Cloud Type: low
87%
0.0 In
Mon 30
Jun
00:00

N
N

5 / 10 mph 63 / 63°F 92% 1020 mb
Low level cloud: 15%
Mid level cloud: 2%
High level cloud: 0%
Most Significant Cloud Type: low
16%
0.0 In
06:00

WSW
WSW

20 / 38 mph 57 / 52°F 98% 1020 mb
Low level cloud: 100%
Mid level cloud: 50%
High level cloud: 4%
Most Significant Cloud Type: low
100%
0.0 In
12:00

W
W

10 / 17 mph 68 / 68°F 79% 1021 mb
Low level cloud: 37%
Mid level cloud: 3%
High level cloud: 100%
Most Significant Cloud Type: low
49%
0.0 In
18:00

W
W

9 / 16 mph 66 / 66°F 80% 1017 mb
Low level cloud: 0%
Mid level cloud: 46%
High level cloud: 95%
Most Significant Cloud Type: medium
49%
0.0 In
Tue 01
Jul
00:00

NW
NW

4 / 7 mph 62 / 62°F 95% 1018 mb
Low level cloud: 28%
Mid level cloud: 24%
High level cloud: 0%
Most Significant Cloud Type: low
36%
0.0 In
06:00

ENE
ENE

8 / 13 mph 55 / 53°F 92% 1014 mb
Low level cloud: 85%
Mid level cloud: 30%
High level cloud: 0%
Most Significant Cloud Type: low
95%
0.1 In
12:00

ESE
ESE

9 / 15 mph 81 / 83°F 62% 1012 mb
Low level cloud: 0%
Mid level cloud: 4%
High level cloud: 100%
Most Significant Cloud Type: medium
7%
0.0 In
18:00

N
N

9 / 17 mph 59 / 57°F 85% 1020 mb
Low level cloud: 97%
Mid level cloud: 96%
High level cloud: 0%
Most Significant Cloud Type: low
100%
0.3 In
Wed 02
Jul
00:00

E
E

7 / 13 mph 66 / 66°F 89% 1002 mb
Low level cloud: 2%
Mid level cloud: 14%
High level cloud: 100%
Most Significant Cloud Type: medium
23%
0.0 In
06:00

NNE
NNE

4 / 8 mph 56 / 55°F 83% 1026 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 100%
Most Significant Cloud Type: high
99%
0.0 In
12:00

SW
SW

15 / 32 mph 64 / 64°F 85% 1000 mb
Low level cloud: 61%
Mid level cloud: 22%
High level cloud: 94%
Most Significant Cloud Type: low
79%
0.1 In
18:00

WNW
WNW

5 / 11 mph 68 / 68°F 67% 1026 mb
Low level cloud: 0%
Mid level cloud: 15%
High level cloud: 0%
Most Significant Cloud Type: medium
15%
0.0 In
Thu 03
Jul
00:00

WNW
WNW

15 / 31 mph 57 / 53°F 87% 1006 mb
Low level cloud: 88%
Mid level cloud: 46%
High level cloud: 4%
Most Significant Cloud Type: low
100%
0.1 In
06:00

E
E

7 / 15 mph 55 / 53°F 77% 1025 mb
Low level cloud: 0%
Mid level cloud: 44%
High level cloud: 100%
Most Significant Cloud Type: medium
47%
0.0 In
12:00

SW
SW

12 / 24 mph 60 / 60°F 87% 1009 mb
Low level cloud: 99%
Mid level cloud: 95%
High level cloud: 33%
Most Significant Cloud Type: low
100%
0.0 In
18:00

SSE
SSE

6 / 13 mph 65 / 65°F 65% 1020 mb
Low level cloud: 0%
Mid level cloud: 45%
High level cloud: 100%
Most Significant Cloud Type: medium
48%
0.0 In
Fri 04
Jul
00:00

SW
SW

14 / 28 mph 60 / 60°F 94% 1004 mb
Low level cloud: 83%
Mid level cloud: 11%
High level cloud: 12%
Most Significant Cloud Type: low
88%
0.2 In
06:00

N
N

4 / 8 mph 60 / 60°F 75% 1013 mb
Low level cloud: 0%
Mid level cloud: 59%
High level cloud: 100%
Most Significant Cloud Type: medium
63%
0.0 In
12:00

WSW
WSW

13 / 26 mph 65 / 65°F 70% 1003 mb
Low level cloud: 3%
Mid level cloud: 16%
High level cloud: 0%
Most Significant Cloud Type: medium
22%
0.0 In
18:00

NW
NW

12 / 26 mph 65 / 65°F 83% 1014 mb
Low level cloud: 43%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
43%
0.0 In
Sat 05
Jul
00:00

NW
NW

5 / 11 mph 59 / 58°F 90% 1008 mb
Low level cloud: 1%
Mid level cloud: 14%
High level cloud: 0%
Most Significant Cloud Type: medium
15%
0.0 In
06:00

NNW
NNW

5 / 11 mph 61 / 61°F 83% 1020 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 4%
Most Significant Cloud Type: high
4%
0.0 In
12:00

SSW
SSW

4 / 9 mph 68 / 68°F 62% 1010 mb
Low level cloud: 1%
Mid level cloud: 50%
High level cloud: 100%
Most Significant Cloud Type: medium
58%
0.0 In
18:00

WNW
WNW

10 / 20 mph 64 / 64°F 73% 1022 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 52%
Most Significant Cloud Type: high
51%
0.0 In
Sun 06
Jul
00:00

SW
SW

17 / 36 mph 62 / 62°F 92% 1005 mb
Low level cloud: 89%
Mid level cloud: 16%
High level cloud: 0%
Most Significant Cloud Type: low
94%
0.1 In
06:00

ENE
ENE

1 / 3 mph 62 / 62°F 69% 1024 mb
Low level cloud: 0%
Mid level cloud: 2%
High level cloud: 1%
Most Significant Cloud Type: medium
2%
0.0 In
12:00

WSW
WSW

24 / 51 mph 63 / 63°F 77% 1004 mb
Low level cloud: 45%
Mid level cloud: 18%
High level cloud: 0%
Most Significant Cloud Type: low
51%
0.1 In
18:00

W
W

11 / 23 mph 63 / 63°F 74% 1024 mb
Low level cloud: 0%
Mid level cloud: 16%
High level cloud: 0%
Most Significant Cloud Type: medium
16%
0.0 In
Mon 07
Jul
00:00

WNW
WNW

11 / 22 mph 52 / 48°F 90% 1007 mb
Low level cloud: 13%
Mid level cloud: 24%
High level cloud: 0%
Most Significant Cloud Type: low
20%
0.1 In
06:00

W
W

9 / 18 mph 62 / 62°F 94% 1022 mb
Low level cloud: 82%
Mid level cloud: 5%
High level cloud: 0%
Most Significant Cloud Type: low
83%
0.0 In
12:00

W
W

20 / 41 mph 58 / 55°F 65% 1013 mb
Low level cloud: 14%
Mid level cloud: 8%
High level cloud: 100%
Most Significant Cloud Type: low
29%
0.0 In
18:00

W
W

10 / 22 mph 67 / 67°F 87% 1022 mb
Low level cloud: 18%
Mid level cloud: 3%
High level cloud: 0%
Most Significant Cloud Type: low
18%
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