WEATHER FOR BUSINESS

We supply weather data to businesses

Free Weather Plugin

Add this forecast to your website



Local Weather

Munich 14 Day Long Range Forecast

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

Germany

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

Over the next 14 days the Munich forecast suggests the average daytime maximum temperature will be around 19°C, with a high for the two weeks of 25°C expected on the afternoon of Thursday 2nd. The average minimum temperature will be 9°C, dipping to its lowest on the morning of Thursday 9th at 5°C. The next 14 days will have most days seeing a little rain. Current predictions suggest Tuesday 7th will have the most precipitation with an accumulation of around 29.0mm. On the whole winds are likely to be light.

DayLocal TimeDirSpeed/
Gust
Temp/
Feels Like
HumidityPressureCloud AmountPrecip AmountWeather
Thu 02
May
19:00

W
W

13 / 17 mph 54 / 50°F 87% 1002 mb
Low level cloud: 62%
Mid level cloud: 19%
High level cloud: 96%
Most Significant Cloud Type: low
80%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

WSW
WSW

17 / 22 mph 50 / 44°F 84% 1007 mb
Low level cloud: 95%
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
Fri 03
May
01:00

WSW
WSW

14 / 19 mph 48 / 42°F 84% 1010 mb
Low level cloud: 69%
Mid level cloud: 87%
High level cloud: 13%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

WSW
WSW

14 / 18 mph 47 / 41°F 86% 1011 mb
Low level cloud: 93%
Mid level cloud: 91%
High level cloud: 100%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

WSW
WSW

13 / 17 mph 47 / 41°F 85% 1014 mb
Low level cloud: 82%
Mid level cloud: 97%
High level cloud: 28%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

W
W

13 / 15 mph 49 / 44°F 80% 1015 mb
Low level cloud: 84%
Mid level cloud: 91%
High level cloud: 16%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

WNW
WNW

9 / 10 mph 56 / 53°F 57% 1014 mb
Low level cloud: 6%
Mid level cloud: 89%
High level cloud: 21%
Most Significant Cloud Type: medium
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

WNW
WNW

8 / 9 mph 54 / 51°F 68% 1016 mb
Low level cloud: 18%
Mid level cloud: 81%
High level cloud: 14%
Most Significant Cloud Type: medium
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

NNW
NNW

2 / 3 mph 52 / 52°F 78% 1016 mb
Low level cloud: 0%
Mid level cloud: 92%
High level cloud: 10%
Most Significant Cloud Type: medium
92%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

ENE
ENE

1 / 1 mph 49 / 49°F 79% 1017 mb
Low level cloud: 6%
Mid level cloud: 100%
High level cloud: 100%
Most Significant Cloud Type: medium
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Sat 04
May
01:00

NE
NE

1 / 1 mph 48 / 48°F 81% 1017 mb
Low level cloud: 10%
Mid level cloud: 100%
High level cloud: 57%
Most Significant Cloud Type: medium
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

ENE
ENE

0 / 1 mph 47 / 47°F 84% 1016 mb
Low level cloud: 20%
Mid level cloud: 95%
High level cloud: 100%
Most Significant Cloud Type: medium
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

E
E

5 / 6 mph 50 / 48°F 79% 1016 mb
Low level cloud: 58%
Mid level cloud: 91%
High level cloud: 21%
Most Significant Cloud Type: low
92%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

ENE
ENE

5 / 7 mph 53 / 50°F 77% 1015 mb
Low level cloud: 48%
Mid level cloud: 51%
High level cloud: 10%
Most Significant Cloud Type: low
67%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

NNE
NNE

3 / 4 mph 62 / 59°F 58% 1013 mb
Low level cloud: 21%
Mid level cloud: 44%
High level cloud: 15%
Most Significant Cloud Type: low
37%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

NNE
NNE

5 / 6 mph 64 / 61°F 58% 1012 mb
Low level cloud: 6%
Mid level cloud: 44%
High level cloud: 70%
Most Significant Cloud Type: medium
63%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

N
N

4 / 5 mph 58 / 56°F 80% 1013 mb
Low level cloud: 0%
Mid level cloud: 29%
High level cloud: 4%
Most Significant Cloud Type: medium
28%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

W
W

5 / 7 mph 54 / 53°F 83% 1015 mb
Low level cloud: 2%
Mid level cloud: 29%
High level cloud: 25%
Most Significant Cloud Type: medium
34%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Sun 05
May
01:00

WNW
WNW

6 / 8 mph 50 / 47°F 89% 1016 mb
Low level cloud: 89%
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
04:00

S
S

3 / 5 mph 49 / 48°F 85% 1016 mb
Low level cloud: 20%
Mid level cloud: 44%
High level cloud: 35%
Most Significant Cloud Type: low
39%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

SSE
SSE

4 / 5 mph 54 / 51°F 78% 1015 mb
Low level cloud: 22%
Mid level cloud: 49%
High level cloud: 15%
Most Significant Cloud Type: low
40%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

ESE
ESE

3 / 3 mph 62 / 59°F 64% 1014 mb
Low level cloud: 0%
Mid level cloud: 22%
High level cloud: 5%
Most Significant Cloud Type: medium
21%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

NE
NE

3 / 3 mph 67 / 64°F 55% 1012 mb
Low level cloud: 2%
Mid level cloud: 46%
High level cloud: 100%
Most Significant Cloud Type: medium
54%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

N
N

5 / 6 mph 67 / 64°F 62% 1011 mb
Low level cloud: 0%
Mid level cloud: 24%
High level cloud: 100%
Most Significant Cloud Type: medium
28%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

NNE
NNE

2 / 3 mph 62 / 60°F 77% 1011 mb
Low level cloud: 0%
Mid level cloud: 22%
High level cloud: 100%
Most Significant Cloud Type: medium
26%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

NW
NW

3 / 5 mph 56 / 56°F 82% 1011 mb
Low level cloud: 4%
Mid level cloud: 59%
High level cloud: 58%
Most Significant Cloud Type: medium
71%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Mon 06
May
01:00

SE
SE

2 / 3 mph 54 / 54°F 83% 1010 mb
Low level cloud: 0%
Mid level cloud: 95%
High level cloud: 5%
Most Significant Cloud Type: medium
95%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

SSE
SSE

3 / 6 mph 52 / 52°F 88% 1010 mb
Low level cloud: 5%
Mid level cloud: 66%
High level cloud: 34%
Most Significant Cloud Type: medium
80%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

W
W

5 / 7 mph 54 / 52°F 87% 1011 mb
Low level cloud: 89%
Mid level cloud: 100%
High level cloud: 7%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

WNW
WNW

0 / 1 mph 60 / 58°F 75% 1010 mb
Low level cloud: 3%
Mid level cloud: 46%
High level cloud: 6%
Most Significant Cloud Type: medium
54%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

NNE
NNE

5 / 6 mph 68 / 66°F 57% 1008 mb
Low level cloud: 7%
Mid level cloud: 44%
High level cloud: 18%
Most Significant Cloud Type: medium
64%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

NNE
NNE

7 / 9 mph 66 / 64°F 70% 1006 mb
Low level cloud: 25%
Mid level cloud: 43%
High level cloud: 100%
Most Significant Cloud Type: low
52%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

N
N

7 / 12 mph 57 / 56°F 92% 1007 mb
Low level cloud: 18%
Mid level cloud: 81%
High level cloud: 100%
Most Significant Cloud Type: medium
100%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
22:00

NNW
NNW

6 / 9 mph 55 / 53°F 98% 1008 mb
Low level cloud: 91%
Mid level cloud: 98%
High level cloud: 91%
Most Significant Cloud Type: low
100%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
Tue 07
May
01:00

W
W

11 / 19 mph 50 / 46°F 97% 1011 mb
Low level cloud: 58%
Mid level cloud: 62%
High level cloud: 20%
Most Significant Cloud Type: low
82%
Expect 0.7 In of precipitation over the past 3 hours.
0.7 In
04:00

WSW
WSW

11 / 17 mph 49 / 44°F 96% 1012 mb
Low level cloud: 87%
Mid level cloud: 75%
High level cloud: 22%
Most Significant Cloud Type: low
100%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
07:00

W
W

8 / 12 mph 49 / 45°F 97% 1013 mb
Low level cloud: 99%
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
10:00

WSW
WSW

9 / 11 mph 52 / 48°F 97% 1014 mb
Low level cloud: 90%
Mid level cloud: 95%
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

W
W

9 / 10 mph 54 / 51°F 97% 1015 mb
Low level cloud: 100%
Mid level cloud: 98%
High level cloud: 100%
Most Significant Cloud Type: low
100%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
16:00

W
W

9 / 10 mph 54 / 52°F 97% 1016 mb
Low level cloud: 100%
Mid level cloud: 99%
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

WSW
WSW

7 / 8 mph 53 / 51°F 98% 1017 mb
Low level cloud: 97%
Mid level cloud: 84%
High level cloud: 100%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

SW
SW

6 / 8 mph 51 / 49°F 97% 1019 mb
Low level cloud: 86%
Mid level cloud: 93%
High level cloud: 20%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Wed 08
May
01:00

S
S

1 / 2 mph 49 / 49°F 97% 1020 mb
Low level cloud: 99%
Mid level cloud: 85%
High level cloud: 8%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

ENE
ENE

6 / 8 mph 48 / 45°F 98% 1021 mb
Low level cloud: 98%
Mid level cloud: 78%
High level cloud: 10%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

ENE
ENE

9 / 11 mph 46 / 41°F 95% 1023 mb
Low level cloud: 93%
Mid level cloud: 87%
High level cloud: 33%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

E
E

10 / 12 mph 48 / 44°F 86% 1025 mb
Low level cloud: 88%
Mid level cloud: 43%
High level cloud: 100%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

E
E

10 / 12 mph 53 / 50°F 74% 1024 mb
Low level cloud: 82%
Mid level cloud: 45%
High level cloud: 61%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

E
E

8 / 10 mph 57 / 55°F 66% 1023 mb
Low level cloud: 52%
Mid level cloud: 46%
High level cloud: 66%
Most Significant Cloud Type: low
75%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

E
E

3 / 5 mph 56 / 55°F 80% 1024 mb
Low level cloud: 0%
Mid level cloud: 22%
High level cloud: 6%
Most Significant Cloud Type: medium
22%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

E
E

5 / 8 mph 51 / 49°F 91% 1025 mb
Low level cloud: 0%
Mid level cloud: 3%
High level cloud: 0%
Most Significant Cloud Type: medium
3%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
DayLocal TimeDirSpeed/
Gust
Temp/
Feels Like
HumidityPressureCloud AmountPrecip AmountWeather
Thu 09
May
01:00

WSW
WSW

3 / 7 mph 52 / 51°F 94% 1020 mb
Low level cloud: 25%
Mid level cloud: 46%
High level cloud: 15%
Most Significant Cloud Type: low
42%
0.0 In
07:00

WNW
WNW

5 / 10 mph 56 / 55°F 93% 1021 mb
Low level cloud: 83%
Mid level cloud: 44%
High level cloud: 99%
Most Significant Cloud Type: low
100%
0.0 In
13:00

NNE
NNE

6 / 12 mph 71 / 71°F 49% 1023 mb
Low level cloud: 0%
Mid level cloud: 5%
High level cloud: 1%
Most Significant Cloud Type: medium
4%
0.0 In
19:00

SW
SW

6 / 14 mph 55 / 54°F 91% 1017 mb
Low level cloud: 20%
Mid level cloud: 34%
High level cloud: 0%
Most Significant Cloud Type: low
32%
0.0 In
Fri 10
May
01:00

E
E

5 / 11 mph 43 / 40°F 91% 1021 mb
Low level cloud: 1%
Mid level cloud: 0%
High level cloud: 11%
Most Significant Cloud Type: high
11%
0.0 In
07:00

WNW
WNW

9 / 16 mph 44 / 39°F 67% 1023 mb
Low level cloud: 0%
Mid level cloud: 4%
High level cloud: 4%
Most Significant Cloud Type: medium
3%
0.0 In
13:00

ENE
ENE

14 / 30 mph 59 / 59°F 45% 1023 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.0 In
19:00

NNE
NNE

4 / 8 mph 63 / 63°F 71% 1015 mb
Low level cloud: 0%
Mid level cloud: 11%
High level cloud: 90%
Most Significant Cloud Type: medium
14%
0.0 In
Sat 11
May
01:00

S
S

2 / 4 mph 57 / 58°F 86% 1018 mb
Low level cloud: 0%
Mid level cloud: 2%
High level cloud: 0%
Most Significant Cloud Type: medium
1%
0.0 In
07:00

W
W

2 / 3 mph 59 / 59°F 77% 1016 mb
Low level cloud: 0%
Mid level cloud: 16%
High level cloud: 10%
Most Significant Cloud Type: medium
16%
0.0 In
13:00

ENE
ENE

6 / 11 mph 73 / 76°F 46% 1016 mb
Low level cloud: 0%
Mid level cloud: 4%
High level cloud: 6%
Most Significant Cloud Type: medium
4%
0.0 In
19:00

ENE
ENE

5 / 10 mph 63 / 63°F 78% 1016 mb
Low level cloud: 0%
Mid level cloud: 20%
High level cloud: 32%
Most Significant Cloud Type: medium
21%
0.0 In
Sun 12
May
01:00

SSE
SSE

3 / 5 mph 59 / 59°F 84% 1017 mb
Low level cloud: 0%
Mid level cloud: 12%
High level cloud: 92%
Most Significant Cloud Type: medium
15%
0.0 In
07:00

ESE
ESE

2 / 5 mph 60 / 60°F 79% 1018 mb
Low level cloud: 0%
Mid level cloud: 9%
High level cloud: 0%
Most Significant Cloud Type: medium
9%
0.0 In
13:00

ENE
ENE

5 / 9 mph 76 / 78°F 46% 1014 mb
Low level cloud: 0%
Mid level cloud: 20%
High level cloud: 72%
Most Significant Cloud Type: medium
22%
0.0 In
19:00

ENE
ENE

4 / 9 mph 66 / 66°F 73% 1016 mb
Low level cloud: 0%
Mid level cloud: 5%
High level cloud: 14%
Most Significant Cloud Type: medium
5%
0.0 In
Mon 13
May
01:00

SE
SE

4 / 6 mph 61 / 61°F 86% 1012 mb
Low level cloud: 0%
Mid level cloud: 7%
High level cloud: 5%
Most Significant Cloud Type: medium
7%
0.0 In
07:00

SSE
SSE

2 / 4 mph 63 / 63°F 75% 1016 mb
Low level cloud: 0%
Mid level cloud: 21%
High level cloud: 16%
Most Significant Cloud Type: medium
21%
0.0 In
13:00

NW
NW

4 / 8 mph 79 / 80°F 47% 1009 mb
Low level cloud: 0%
Mid level cloud: 27%
High level cloud: 100%
Most Significant Cloud Type: medium
31%
0.0 In
19:00

ENE
ENE

4 / 9 mph 70 / 70°F 82% 1013 mb
Low level cloud: 0%
Mid level cloud: 23%
High level cloud: 0%
Most Significant Cloud Type: medium
22%
0.0 In
Tue 14
May
01:00

ESE
ESE

5 / 10 mph 60 / 60°F 96% 1009 mb
Low level cloud: 40%
Mid level cloud: 17%
High level cloud: 100%
Most Significant Cloud Type: low
57%
0.3 In
07:00

ESE
ESE

3 / 7 mph 62 / 62°F 86% 1011 mb
Low level cloud: 3%
Mid level cloud: 47%
High level cloud: 20%
Most Significant Cloud Type: medium
55%
0.0 In
13:00

ENE
ENE

8 / 16 mph 78 / 79°F 53% 1004 mb
Low level cloud: 0%
Mid level cloud: 25%
High level cloud: 35%
Most Significant Cloud Type: medium
26%
0.0 In
19:00

E
E

5 / 11 mph 73 / 77°F 80% 1008 mb
Low level cloud: 0%
Mid level cloud: 14%
High level cloud: 4%
Most Significant Cloud Type: medium
13%
0.0 In
Wed 15
May
01:00

WNW
WNW

15 / 29 mph 56 / 53°F 88% 1008 mb
Low level cloud: 98%
Mid level cloud: 60%
High level cloud: 0%
Most Significant Cloud Type: low
100%
0.0 In
07:00

SSE
SSE

3 / 7 mph 68 / 68°F 73% 1004 mb
Low level cloud: 0%
Mid level cloud: 4%
High level cloud: 16%
Most Significant Cloud Type: medium
4%
0.0 In
13:00

ENE
ENE

11 / 23 mph 65 / 65°F 63% 1003 mb
Low level cloud: 49%
Mid level cloud: 21%
High level cloud: 87%
Most Significant Cloud Type: low
66%
0.0 In
19:00

WSW
WSW

10 / 20 mph 51 / 48°F 95% 1010 mb
Low level cloud: 72%
Mid level cloud: 95%
High level cloud: 12%
Most Significant Cloud Type: low
100%
0.1 In
Thu 16
May
01:00

SSE
SSE

1 / 2 mph 52 / 52°F 93% 1012 mb
Low level cloud: 19%
Mid level cloud: 71%
High level cloud: 32%
Most Significant Cloud Type: medium
100%
0.1 In
07:00

SSW
SSW

9 / 19 mph 51 / 48°F 89% 1011 mb
Low level cloud: 8%
Mid level cloud: 44%
High level cloud: 0%
Most Significant Cloud Type: medium
66%
0.0 In
13:00

WNW
WNW

9 / 19 mph 51 / 48°F 97% 1010 mb
Low level cloud: 90%
Mid level cloud: 97%
High level cloud: 0%
Most Significant Cloud Type: low
100%
0.2 In
19:00

S
S

4 / 8 mph 54 / 53°F 93% 1013 mb
Low level cloud: 14%
Mid level cloud: 79%
High level cloud: 0%
Most Significant Cloud Type: medium
100%
0.2 In
Fri 17
May
01:00

SSE
SSE

3 / 7 mph 47 / 46°F 93% 1011 mb
Low level cloud: 12%
Mid level cloud: 85%
High level cloud: 21%
Most Significant Cloud Type: medium
100%
0.1 In
07:00

ESE
ESE

5 / 10 mph 54 / 53°F 87% 1011 mb
Low level cloud: 4%
Mid level cloud: 5%
High level cloud: 2%
Most Significant Cloud Type: low
6%
0.0 In
13:00

NNE
NNE

5 / 10 mph 71 / 71°F 51% 1008 mb
Low level cloud: 0%
Mid level cloud: 21%
High level cloud: 5%
Most Significant Cloud Type: medium
21%
0.0 In
19:00

NE
NE

5 / 11 mph 67 / 67°F 78% 1005 mb
Low level cloud: 0%
Mid level cloud: 17%
High level cloud: 7%
Most Significant Cloud Type: medium
16%
0.0 In

Other Locations Near to Munich

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