Fast Forecast

WEATHER FOR BUSINESS

We supply weather data to businesses

Free Weather Plugin

Add this forecast to your website



Local Weather

Mont-Saint-Vincent 14 Day Long Range Forecast

14 Day weather providing an extended long range forecast outlook for Mont-Saint-Vincent

France

Long range weather outlook for Mont-Saint-Vincent includes 14 day forecast summary:

The next 14 day outlook for Mont-Saint-Vincent shows the average daytime maximum temperature will be around 9°C, with a high for the two weeks of 14°C expected on the afternoon of Sunday 23rd. The average minimum temperature will be 3°C, dipping to its lowest on the morning of Sunday 16th at -3°C. Expect the next 14 days have some days seeing a little precipitation and some days with rain or snow. It looks like Saturday 22nd will have the most precipitation with an accumulation of around 12.0mm. On the whole winds are likely to be light.

DayLocal TimeDirSpeed/
Gust		Temp/
Feels Like		HumidityPressureCloud AmountPrecip AmountWeather
Fri 14
Mar		22:00

N
N

 5 / 6 mph 37 / 33°F 81% 1008 mb
Low level cloud: 46%
Mid level cloud: 83%
High level cloud: 11%
Most Significant Cloud Type: low
75%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Sat 15
Mar		01:00

N
N

 4 / 9 mph 32 / 28°F 85% 1008 mb
Low level cloud: 43%
Mid level cloud: 100%
High level cloud: 32%
Most Significant Cloud Type: low
82%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

N
N

 6 / 11 mph 31 / 25°F 91% 1007 mb
Low level cloud: 69%
Mid level cloud: 100%
High level cloud: 92%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

N
N

 7 / 13 mph 30 / 24°F 99% 1008 mb
Low level cloud: 94%
Mid level cloud: 92%
High level cloud: 96%
Most Significant Cloud Type: low
100%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
10:00

N
N

 6 / 9 mph 33 / 27°F 99% 1009 mb
Low level cloud: 94%
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
13:00

NNW
NNW

 3 / 5 mph 34 / 32°F 100% 1011 mb
Low level cloud: 92%
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
16:00

NNW
NNW

 2 / 4 mph 35 / 33°F 100% 1010 mb
Low level cloud: 99%
Mid level cloud: 59%
High level cloud: 100%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

NW
NW

 2 / 3 mph 34 / 33°F 99% 1012 mb
Low level cloud: 100%
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
22:00

W
W

 2 / 4 mph 33 / 31°F 100% 1014 mb
Low level cloud: 100%
Mid level cloud: 83%
High level cloud: 15%
Most Significant Cloud Type: low
100%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
Sun 16
Mar		01:00

W
W

 3 / 4 mph 32 / 30°F 100% 1014 mb
Low level cloud: 98%
Mid level cloud: 48%
High level cloud: 7%
Most Significant Cloud Type: low
100%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
04:00

WSW
WSW

 4 / 7 mph 31 / 27°F 100% 1015 mb
Low level cloud: 97%
Mid level cloud: 44%
High level cloud: 8%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

WSW
WSW

 3 / 6 mph 30 / 27°F 100% 1016 mb
Low level cloud: 97%
Mid level cloud: 48%
High level cloud: 17%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

WSW
WSW

 3 / 5 mph 33 / 30°F 100% 1018 mb
Low level cloud: 92%
Mid level cloud: 63%
High level cloud: 0%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

WNW
WNW

 3 / 4 mph 35 / 33°F 98% 1019 mb
Low level cloud: 87%
Mid level cloud: 44%
High level cloud: 0%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

NW
NW

 2 / 4 mph 35 / 34°F 98% 1020 mb
Low level cloud: 83%
Mid level cloud: 46%
High level cloud: 0%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

N
N

 2 / 3 mph 34 / 35°F 100% 1021 mb
Low level cloud: 87%
Mid level cloud: 28%
High level cloud: 0%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

NNE
NNE

 2 / 4 mph 33 / 31°F 100% 1022 mb
Low level cloud: 95%
Mid level cloud: 28%
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 17
Mar		01:00

NNE
NNE

 3 / 5 mph 34 / 31°F 98% 1022 mb
Low level cloud: 87%
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
04:00

NNE
NNE

 2 / 4 mph 35 / 33°F 98% 1022 mb
Low level cloud: 76%
Mid level cloud: 26%
High level cloud: 0%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

N
N

 2 / 4 mph 35 / 33°F 98% 1021 mb
Low level cloud: 82%
Mid level cloud: 29%
High level cloud: 0%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

NE
NE

 7 / 15 mph 37 / 31°F 91% 1021 mb
Low level cloud: 87%
Mid level cloud: 8%
High level cloud: 0%
Most Significant Cloud Type: low
89%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

ENE
ENE

 8 / 16 mph 40 / 35°F 82% 1020 mb
Low level cloud: 96%
Mid level cloud: 7%
High level cloud: 0%
Most Significant Cloud Type: low
98%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

E
E

 7 / 13 mph 43 / 38°F 81% 1019 mb
Low level cloud: 73%
Mid level cloud: 4%
High level cloud: 0%
Most Significant Cloud Type: low
73%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

ESE
ESE

 3 / 5 mph 42 / 42°F 92% 1020 mb
Low level cloud: 2%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
2%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

ENE
ENE

 2 / 4 mph 42 / 42°F 94% 1021 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
Tue 18
Mar		01:00

ENE
ENE

 4 / 7 mph 38 / 35°F 96% 1021 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
04:00

ENE
ENE

 4 / 7 mph 35 / 32°F 97% 1021 mb
Low level cloud: 3%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
2%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

E
E

 5 / 10 mph 34 / 29°F 98% 1022 mb
Low level cloud: 6%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

ESE
ESE

 7 / 13 mph 40 / 35°F 81% 1022 mb
Low level cloud: 1%
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
13:00

SSE
SSE

 7 / 13 mph 49 / 45°F 63% 1022 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
16:00

SSE
SSE

 8 / 17 mph 52 / 48°F 61% 1021 mb
Low level cloud: 6%
Mid level cloud: 4%
High level cloud: 0%
Most Significant Cloud Type: low
6%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

SE
SE

 4 / 6 mph 51 / 50°F 87% 1023 mb
Low level cloud: 0%
Mid level cloud: 2%
High level cloud: 0%
Most Significant Cloud Type: medium
3%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

ESE
ESE

 3 / 5 mph 46 / 46°F 92% 1025 mb
Low level cloud: 0%
Mid level cloud: 6%
High level cloud: 0%
Most Significant Cloud Type: medium
6%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Wed 19
Mar		01:00

E
E

 2 / 4 mph 43 / 42°F 95% 1026 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
04:00

E
E

 2 / 4 mph 41 / 40°F 94% 1026 mb
Low level cloud: 0%
Mid level cloud: 7%
High level cloud: 0%
Most Significant Cloud Type: medium
6%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

E
E

 3 / 6 mph 40 / 38°F 94% 1027 mb
Low level cloud: 0%
Mid level cloud: 4%
High level cloud: 0%
Most Significant Cloud Type: medium
4%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

SE
SE

 5 / 9 mph 45 / 42°F 67% 1027 mb
Low level cloud: 0%
Mid level cloud: 5%
High level cloud: 0%
Most Significant Cloud Type: medium
5%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

SE
SE

 8 / 15 mph 53 / 49°F 53% 1025 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
16:00

SE
SE

 8 / 16 mph 53 / 50°F 55% 1025 mb
Low level cloud: 7%
Mid level cloud: 9%
High level cloud: 0%
Most Significant Cloud Type: low
10%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

SE
SE

 6 / 10 mph 51 / 49°F 76% 1025 mb
Low level cloud: 0%
Mid level cloud: 24%
High level cloud: 0%
Most Significant Cloud Type: medium
24%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

ESE
ESE

 2 / 5 mph 46 / 46°F 89% 1027 mb
Low level cloud: 0%
Mid level cloud: 45%
High level cloud: 0%
Most Significant Cloud Type: medium
45%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Thu 20
Mar		01:00

E
E

 3 / 6 mph 44 / 43°F 93% 1027 mb
Low level cloud: 1%
Mid level cloud: 29%
High level cloud: 0%
Most Significant Cloud Type: medium
32%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

ESE
ESE

 4 / 7 mph 42 / 40°F 96% 1027 mb
Low level cloud: 0%
Mid level cloud: 19%
High level cloud: 0%
Most Significant Cloud Type: medium
19%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

E
E

 4 / 9 mph 41 / 38°F 96% 1026 mb
Low level cloud: 0%
Mid level cloud: 10%
High level cloud: 6%
Most Significant Cloud Type: medium
9%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

SE
SE

 10 / 20 mph 48 / 44°F 60% 1025 mb
Low level cloud: 0%
Mid level cloud: 7%
High level cloud: 15%
Most Significant Cloud Type: medium
7%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

SE
SE

 13 / 23 mph 55 / 50°F 53% 1022 mb
Low level cloud: 0%
Mid level cloud: 2%
High level cloud: 61%
Most Significant Cloud Type: medium
4%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

SE
SE

 14 / 27 mph 55 / 50°F 58% 1020 mb
Low level cloud: 0%
Mid level cloud: 4%
High level cloud: 100%
Most Significant Cloud Type: medium
7%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

SSE
SSE

 10 / 16 mph 55 / 52°F 60% 1019 mb
Low level cloud: 0%
Mid level cloud: 2%
High level cloud: 100%
Most Significant Cloud Type: medium
6%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

SSE
SSE

 9 / 14 mph 55 / 52°F 57% 1019 mb
Low level cloud: 0%
Mid level cloud: 18%
High level cloud: 13%
Most Significant Cloud Type: medium
18%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
DayLocal TimeDirSpeed/
Gust		Temp/
Feels Like		HumidityPressureCloud AmountPrecip AmountWeather
Fri 21
Mar		01:00

E
E

 2 / 3 mph 53 / 53°F 79% 1016 mb
Low level cloud: 0%
Mid level cloud: 59%
High level cloud: 16%
Most Significant Cloud Type: medium
59%
0.0 In
07:00

WSW
WSW

 3 / 4 mph 49 / 49°F 94% 1021 mb
Low level cloud: 20%
Mid level cloud: 52%
High level cloud: 6%
Most Significant Cloud Type: low
38%
0.0 In
13:00

SE
SE

 6 / 10 mph 55 / 53°F 51% 1019 mb
Low level cloud: 0%
Mid level cloud: 9%
High level cloud: 64%
Most Significant Cloud Type: medium
11%
0.0 In
19:00

SE
SE

 6 / 9 mph 52 / 50°F 83% 1014 mb
Low level cloud: 36%
Mid level cloud: 91%
High level cloud: 100%
Most Significant Cloud Type: low
79%
0.0 In
Sat 22
Mar		01:00

SW
SW

 3 / 4 mph 47 / 47°F 96% 1016 mb
Low level cloud: 15%
Mid level cloud: 89%
High level cloud: 21%
Most Significant Cloud Type: medium
100%
0.0 In
07:00

SE
SE

 4 / 6 mph 47 / 45°F 87% 1015 mb
Low level cloud: 0%
Mid level cloud: 12%
High level cloud: 1%
Most Significant Cloud Type: medium
12%
0.0 In
13:00

S
S

 11 / 23 mph 55 / 52°F 65% 1011 mb
Low level cloud: 31%
Mid level cloud: 56%
High level cloud: 100%
Most Significant Cloud Type: low
62%
0.0 In
19:00

SE
SE

 3 / 4 mph 58 / 58°F 84% 1019 mb
Low level cloud: 0%
Mid level cloud: 18%
High level cloud: 67%
Most Significant Cloud Type: medium
20%
0.0 In
Sun 23
Mar		01:00

S
S

 2 / 3 mph 46 / 46°F 97% 1013 mb
Low level cloud: 3%
Mid level cloud: 8%
High level cloud: 0%
Most Significant Cloud Type: low
5%
0.0 In
07:00

ESE
ESE

 2 / 3 mph 48 / 48°F 95% 1021 mb
Low level cloud: 0%
Mid level cloud: 2%
High level cloud: 100%
Most Significant Cloud Type: medium
6%
0.0 In
13:00

S
S

 7 / 14 mph 56 / 54°F 49% 1010 mb
Low level cloud: 0%
Mid level cloud: 29%
High level cloud: 77%
Most Significant Cloud Type: medium
31%
0.0 In
19:00

S
S

 9 / 16 mph 53 / 49°F 69% 1017 mb
Low level cloud: 0%
Mid level cloud: 100%
High level cloud: 22%
Most Significant Cloud Type: medium
100%
0.0 In
Mon 24
Mar		01:00

SE
SE

 2 / 4 mph 50 / 50°F 89% 1012 mb
Low level cloud: 0%
Mid level cloud: 26%
High level cloud: 100%
Most Significant Cloud Type: medium
30%
0.1 In
07:00

S
S

 5 / 9 mph 50 / 48°F 80% 1015 mb
Low level cloud: 0%
Mid level cloud: 31%
High level cloud: 8%
Most Significant Cloud Type: medium
31%
0.0 In
13:00

SW
SW

 11 / 22 mph 47 / 42°F 91% 1010 mb
Low level cloud: 17%
Mid level cloud: 25%
High level cloud: 100%
Most Significant Cloud Type: low
38%
0.1 In
19:00

SSW
SSW

 5 / 9 mph 53 / 52°F 94% 1013 mb
Low level cloud: 17%
Mid level cloud: 44%
High level cloud: 2%
Most Significant Cloud Type: low
32%
0.3 In
Tue 25
Mar		01:00

S
S

 4 / 8 mph 47 / 46°F 96% 1016 mb
Low level cloud: 9%
Mid level cloud: 46%
High level cloud: 13%
Most Significant Cloud Type: medium
71%
0.1 In
07:00

SSE
SSE

 4 / 7 mph 48 / 47°F 97% 1008 mb
Low level cloud: 3%
Mid level cloud: 66%
High level cloud: 62%
Most Significant Cloud Type: medium
76%
0.0 In
13:00

WSW
WSW

 9 / 18 mph 51 / 48°F 71% 1018 mb
Low level cloud: 21%
Mid level cloud: 55%
High level cloud: 33%
Most Significant Cloud Type: low
44%
0.0 In
19:00

WSW
WSW

 9 / 18 mph 50 / 46°F 85% 1007 mb
Low level cloud: 27%
Mid level cloud: 30%
High level cloud: 61%
Most Significant Cloud Type: low
44%
0.1 In
Wed 26
Mar		01:00

SSW
SSW

 3 / 6 mph 51 / 51°F 94% 1018 mb
Low level cloud: 0%
Mid level cloud: 19%
High level cloud: 100%
Most Significant Cloud Type: medium
23%
0.1 In
07:00

SW
SW

 10 / 20 mph 41 / 35°F 85% 1008 mb
Low level cloud: 7%
Mid level cloud: 17%
High level cloud: 5%
Most Significant Cloud Type: low
13%
0.0 In
13:00

W
W

 8 / 16 mph 45 / 40°F 87% 1019 mb
Low level cloud: 96%
Mid level cloud: 99%
High level cloud: 91%
Most Significant Cloud Type: low
100%
0.0 In
19:00

W
W

 9 / 18 mph 46 / 41°F 92% 1011 mb
Low level cloud: 39%
Mid level cloud: 30%
High level cloud: 10%
Most Significant Cloud Type: low
50%
0.2 In
Thu 27
Mar		01:00

WSW
WSW

 2 / 3 mph 46 / 46°F 98% 1022 mb
Low level cloud: 51%
Mid level cloud: 46%
High level cloud: 0%
Most Significant Cloud Type: low
67%
0.1 In
07:00

SW
SW

 4 / 9 mph 36 / 32°F 97% 1018 mb
Low level cloud: 87%
Mid level cloud: 47%
High level cloud: 0%
Most Significant Cloud Type: low
100%
0.0 In
13:00

NNE
NNE

 5 / 11 mph 50 / 48°F 52% 1021 mb
Low level cloud: 8%
Mid level cloud: 46%
High level cloud: 0%
Most Significant Cloud Type: medium
68%
0.0 In
19:00

S
S

 4 / 9 mph 47 / 45°F 74% 1018 mb
Low level cloud: 12%
Mid level cloud: 100%
High level cloud: 100%
Most Significant Cloud Type: medium
100%
0.0 In
Fri 28
Mar		01:00

N
N

 4 / 8 mph 44 / 42°F 91% 1024 mb
Low level cloud: 0%
Mid level cloud: 3%
High level cloud: 4%
Most Significant Cloud Type: medium
3%
0.0 In
07:00

SSW
SSW

 7 / 15 mph 41 / 37°F 97% 1015 mb
Low level cloud: 100%
Mid level cloud: 100%
High level cloud: 96%
Most Significant Cloud Type: low
100%
0.1 In
13:00

NE
NE

 6 / 12 mph 50 / 48°F 55% 1021 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.0 In
19:00

SW
SW

 10 / 21 mph 46 / 42°F 93% 1011 mb
Low level cloud: 97%
Mid level cloud: 95%
High level cloud: 100%
Most Significant Cloud Type: low
100%
0.3 In
Sat 29
Mar		01:00

N
N

 1 / 2 mph 46 / 46°F 94% 1021 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.0 In
07:00

WSW
WSW

 8 / 16 mph 45 / 41°F 97% 1010 mb
Low level cloud: 76%
Mid level cloud: 100%
High level cloud: 85%
Most Significant Cloud Type: low
100%
0.2 In
13:00

SW
SW

 4 / 8 mph 58 / 58°F 47% 1017 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 6%
Most Significant Cloud Type: high
6%
0.0 In
19:00

W
W

 10 / 20 mph 48 / 44°F 91% 1008 mb
Low level cloud: 38%
Mid level cloud: 43%
High level cloud: 0%
Most Significant Cloud Type: low
52%
0.3 In

Other Locations Near to Mont-Saint-Vincent

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