WEATHER FOR BUSINESS

We supply weather data to businesses

Free Weather Plugin

Add this forecast to your website



Local Weather

Bautzen 14 Day Long Range Forecast

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

Germany

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

Reviewing the forecast for Bautzen Over the next 14 days and 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 Tuesday 14th. The average minimum temperature will be 10°C, dipping to its lowest on the morning of Thursday 9th at 5°C. The fortnight ahead will have some days seeing a little precipitation and some days with rain. Current predictions suggest Tuesday 7th will have the most precipitation with an accumulation of around 9.0mm. On the whole winds are likely to be light.

DayLocal TimeDirSpeed/
Gust
Temp/
Feels Like
HumidityPressureCloud AmountPrecip AmountWeather
Sun 05
May
19:00

WSW
WSW

7 / 12 mph 57 / 54°F 91% 1009 mb
Low level cloud: 1%
Mid level cloud: 13%
High level cloud: 0%
Most Significant Cloud Type: medium
16%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
22:00

SW
SW

6 / 13 mph 52 / 50°F 92% 1010 mb
Low level cloud: 1%
Mid level cloud: 18%
High level cloud: 90%
Most Significant Cloud Type: medium
24%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Mon 06
May
01:00

SW
SW

4 / 9 mph 50 / 49°F 92% 1010 mb
Low level cloud: 26%
Mid level cloud: 21%
High level cloud: 84%
Most Significant Cloud Type: low
43%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

SSW
SSW

4 / 8 mph 49 / 48°F 91% 1009 mb
Low level cloud: 11%
Mid level cloud: 21%
High level cloud: 40%
Most Significant Cloud Type: low
22%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

SSW
SSW

4 / 6 mph 55 / 54°F 85% 1009 mb
Low level cloud: 8%
Mid level cloud: 67%
High level cloud: 100%
Most Significant Cloud Type: medium
92%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

WSW
WSW

1 / 2 mph 57 / 56°F 87% 1008 mb
Low level cloud: 51%
Mid level cloud: 66%
High level cloud: 33%
Most Significant Cloud Type: low
78%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

WNW
WNW

2 / 3 mph 56 / 57°F 93% 1008 mb
Low level cloud: 80%
Mid level cloud: 64%
High level cloud: 21%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

NNW
NNW

6 / 7 mph 61 / 59°F 81% 1008 mb
Low level cloud: 64%
Mid level cloud: 35%
High level cloud: 21%
Most Significant Cloud Type: low
79%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

NNE
NNE

4 / 6 mph 57 / 55°F 92% 1008 mb
Low level cloud: 22%
Mid level cloud: 53%
High level cloud: 4%
Most Significant Cloud Type: low
41%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

NNE
NNE

2 / 4 mph 52 / 53°F 94% 1009 mb
Low level cloud: 7%
Mid level cloud: 44%
High level cloud: 17%
Most Significant Cloud Type: medium
64%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Tue 07
May
01:00

NNE
NNE

5 / 10 mph 49 / 47°F 91% 1010 mb
Low level cloud: 11%
Mid level cloud: 46%
High level cloud: 100%
Most Significant Cloud Type: medium
81%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

NNE
NNE

4 / 7 mph 48 / 46°F 95% 1011 mb
Low level cloud: 31%
Mid level cloud: 59%
High level cloud: 44%
Most Significant Cloud Type: low
56%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

N
N

6 / 11 mph 47 / 44°F 89% 1013 mb
Low level cloud: 87%
Mid level cloud: 76%
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

N
N

8 / 12 mph 51 / 47°F 81% 1014 mb
Low level cloud: 96%
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
13:00

N
N

9 / 11 mph 53 / 50°F 88% 1016 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
16:00

N
N

8 / 9 mph 54 / 51°F 94% 1017 mb
Low level cloud: 89%
Mid level cloud: 60%
High level cloud: 45%
Most Significant Cloud Type: low
100%
Expect 0.2 In of precipitation over the past 3 hours.
0.2 In
19:00

N
N

6 / 6 mph 52 / 50°F 97% 1019 mb
Low level cloud: 89%
Mid level cloud: 61%
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

NNE
NNE

4 / 5 mph 50 / 49°F 97% 1020 mb
Low level cloud: 71%
Mid level cloud: 43%
High level cloud: 33%
Most Significant Cloud Type: low
90%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Wed 08
May
01:00

NNE
NNE

5 / 7 mph 48 / 46°F 96% 1021 mb
Low level cloud: 90%
Mid level cloud: 44%
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

NE
NE

6 / 10 mph 46 / 43°F 94% 1021 mb
Low level cloud: 63%
Mid level cloud: 45%
High level cloud: 100%
Most Significant Cloud Type: low
90%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

NE
NE

7 / 10 mph 47 / 42°F 86% 1023 mb
Low level cloud: 59%
Mid level cloud: 47%
High level cloud: 7%
Most Significant Cloud Type: low
76%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

ENE
ENE

9 / 11 mph 55 / 51°F 67% 1023 mb
Low level cloud: 13%
Mid level cloud: 44%
High level cloud: 9%
Most Significant Cloud Type: medium
81%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

ENE
ENE

10 / 12 mph 62 / 60°F 49% 1023 mb
Low level cloud: 5%
Mid level cloud: 44%
High level cloud: 13%
Most Significant Cloud Type: medium
57%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

ENE
ENE

10 / 13 mph 61 / 60°F 49% 1023 mb
Low level cloud: 0%
Mid level cloud: 43%
High level cloud: 9%
Most Significant Cloud Type: medium
43%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

E
E

7 / 13 mph 55 / 51°F 69% 1025 mb
Low level cloud: 0%
Mid level cloud: 40%
High level cloud: 1%
Most Significant Cloud Type: medium
39%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

E
E

5 / 10 mph 46 / 43°F 81% 1027 mb
Low level cloud: 0%
Mid level cloud: 25%
High level cloud: 5%
Most Significant Cloud Type: medium
25%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Thu 09
May
01:00

E
E

4 / 8 mph 44 / 41°F 88% 1028 mb
Low level cloud: 0%
Mid level cloud: 11%
High level cloud: 1%
Most Significant Cloud Type: medium
11%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

ENE
ENE

3 / 6 mph 42 / 40°F 91% 1028 mb
Low level cloud: 0%
Mid level cloud: 4%
High level cloud: 0%
Most Significant Cloud Type: medium
3%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

ENE
ENE

5 / 6 mph 49 / 47°F 75% 1028 mb
Low level cloud: 0%
Mid level cloud: 4%
High level cloud: 0%
Most Significant Cloud Type: medium
3%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

E
E

7 / 8 mph 59 / 56°F 57% 1027 mb
Low level cloud: 2%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
1%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

E
E

5 / 6 mph 64 / 62°F 47% 1026 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
16:00

ESE
ESE

4 / 5 mph 65 / 63°F 46% 1025 mb
Low level cloud: 0%
Mid level cloud: 4%
High level cloud: 12%
Most Significant Cloud Type: medium
4%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

SE
SE

3 / 5 mph 58 / 57°F 69% 1025 mb
Low level cloud: 0%
Mid level cloud: 15%
High level cloud: 6%
Most Significant Cloud Type: medium
14%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

SE
SE

4 / 6 mph 54 / 53°F 78% 1025 mb
Low level cloud: 0%
Mid level cloud: 1%
High level cloud: 0%
Most Significant Cloud Type: medium
1%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Fri 10
May
01:00

SSW
SSW

2 / 5 mph 48 / 48°F 82% 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
04:00

SSW
SSW

3 / 6 mph 45 / 44°F 82% 1024 mb
Low level cloud: 0%
Mid level cloud: 3%
High level cloud: 79%
Most Significant Cloud Type: medium
5%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

W
W

2 / 3 mph 55 / 55°F 67% 1024 mb
Low level cloud: 0%
Mid level cloud: 10%
High level cloud: 0%
Most Significant Cloud Type: medium
10%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

NW
NW

3 / 4 mph 64 / 62°F 53% 1023 mb
Low level cloud: 0%
Mid level cloud: 2%
High level cloud: 0%
Most Significant Cloud Type: medium
1%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

W
W

3 / 3 mph 69 / 66°F 43% 1022 mb
Low level cloud: 0%
Mid level cloud: 32%
High level cloud: 0%
Most Significant Cloud Type: medium
31%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

WNW
WNW

4 / 5 mph 69 / 66°F 49% 1020 mb
Low level cloud: 0%
Mid level cloud: 28%
High level cloud: 0%
Most Significant Cloud Type: medium
27%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

NNW
NNW

5 / 9 mph 60 / 58°F 71% 1020 mb
Low level cloud: 0%
Mid level cloud: 26%
High level cloud: 7%
Most Significant Cloud Type: medium
25%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

E
E

1 / 2 mph 52 / 52°F 81% 1021 mb
Low level cloud: 0%
Mid level cloud: 22%
High level cloud: 42%
Most Significant Cloud Type: medium
23%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Sat 11
May
01:00

SW
SW

2 / 4 mph 50 / 51°F 80% 1021 mb
Low level cloud: 0%
Mid level cloud: 19%
High level cloud: 100%
Most Significant Cloud Type: medium
23%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

WSW
WSW

2 / 5 mph 51 / 51°F 74% 1020 mb
Low level cloud: 0%
Mid level cloud: 24%
High level cloud: 100%
Most Significant Cloud Type: medium
27%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

WNW
WNW

1 / 2 mph 58 / 56°F 71% 1020 mb
Low level cloud: 0%
Mid level cloud: 27%
High level cloud: 100%
Most Significant Cloud Type: medium
31%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

WNW
WNW

2 / 2 mph 63 / 62°F 62% 1020 mb
Low level cloud: 0%
Mid level cloud: 92%
High level cloud: 100%
Most Significant Cloud Type: medium
96%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

NW
NW

4 / 4 mph 68 / 65°F 57% 1019 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
16:00

N
N

6 / 9 mph 64 / 63°F 70% 1018 mb
Low level cloud: 5%
Mid level cloud: 83%
High level cloud: 100%
Most Significant Cloud Type: medium
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

NE
NE

4 / 7 mph 57 / 57°F 83% 1019 mb
Low level cloud: 0%
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
22:00

ENE
ENE

4 / 7 mph 55 / 54°F 89% 1019 mb
Low level cloud: 3%
Mid level cloud: 64%
High level cloud: 0%
Most Significant Cloud Type: medium
74%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
DayLocal TimeDirSpeed/
Gust
Temp/
Feels Like
HumidityPressureCloud AmountPrecip AmountWeather
Sun 12
May
01:00

W
W

6 / 14 mph 51 / 48°F 98% 1018 mb
Low level cloud: 82%
Mid level cloud: 50%
High level cloud: 3%
Most Significant Cloud Type: low
100%
0.0 In
07:00

WNW
WNW

7 / 14 mph 50 / 47°F 98% 1015 mb
Low level cloud: 99%
Mid level cloud: 100%
High level cloud: 10%
Most Significant Cloud Type: low
100%
0.0 In
13:00

NNE
NNE

13 / 28 mph 45 / 38°F 93% 1018 mb
Low level cloud: 96%
Mid level cloud: 56%
High level cloud: 11%
Most Significant Cloud Type: low
100%
0.0 In
19:00

N
N

11 / 24 mph 47 / 42°F 89% 1017 mb
Low level cloud: 85%
Mid level cloud: 85%
High level cloud: 62%
Most Significant Cloud Type: low
100%
0.0 In
Mon 13
May
01:00

ESE
ESE

0 / 0 mph 41 / 41°F 87% 1018 mb
Low level cloud: 0%
Mid level cloud: 11%
High level cloud: 0%
Most Significant Cloud Type: medium
11%
0.0 In
07:00

E
E

11 / 22 mph 44 / 38°F 70% 1017 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 3%
Most Significant Cloud Type: high
3%
0.0 In
13:00

N
N

3 / 6 mph 72 / 76°F 55% 1011 mb
Low level cloud: 5%
Mid level cloud: 20%
High level cloud: 13%
Most Significant Cloud Type: medium
33%
0.0 In
19:00

E
E

8 / 17 mph 62 / 62°F 79% 1014 mb
Low level cloud: 0%
Mid level cloud: 18%
High level cloud: 0%
Most Significant Cloud Type: medium
18%
0.0 In
Tue 14
May
01:00

SSW
SSW

2 / 4 mph 61 / 61°F 83% 1011 mb
Low level cloud: 0%
Mid level cloud: 20%
High level cloud: 7%
Most Significant Cloud Type: medium
20%
0.0 In
07:00

SE
SE

6 / 13 mph 63 / 63°F 71% 1014 mb
Low level cloud: 0%
Mid level cloud: 9%
High level cloud: 21%
Most Significant Cloud Type: medium
10%
0.0 In
13:00

W
W

4 / 8 mph 77 / 78°F 45% 1008 mb
Low level cloud: 0%
Mid level cloud: 13%
High level cloud: 6%
Most Significant Cloud Type: medium
13%
0.0 In
19:00

SSE
SSE

9 / 20 mph 66 / 66°F 72% 1010 mb
Low level cloud: 0%
Mid level cloud: 17%
High level cloud: 50%
Most Significant Cloud Type: medium
18%
0.0 In
Wed 15
May
01:00

S
S

4 / 9 mph 61 / 61°F 82% 1005 mb
Low level cloud: 0%
Mid level cloud: 14%
High level cloud: 2%
Most Significant Cloud Type: medium
14%
0.0 In
07:00

SW
SW

5 / 11 mph 61 / 61°F 94% 1008 mb
Low level cloud: 24%
Mid level cloud: 44%
High level cloud: 8%
Most Significant Cloud Type: low
39%
0.1 In
13:00

W
W

12 / 24 mph 73 / 77°F 64% 1000 mb
Low level cloud: 8%
Mid level cloud: 86%
High level cloud: 93%
Most Significant Cloud Type: medium
100%
0.0 In
19:00

NNW
NNW

3 / 6 mph 73 / 77°F 82% 1006 mb
Low level cloud: 0%
Mid level cloud: 13%
High level cloud: 100%
Most Significant Cloud Type: medium
17%
0.1 In
Thu 16
May
01:00

NNW
NNW

6 / 13 mph 51 / 48°F 98% 1007 mb
Low level cloud: 100%
Mid level cloud: 11%
High level cloud: 15%
Most Significant Cloud Type: low
100%
0.3 In
07:00

SW
SW

11 / 23 mph 64 / 64°F 86% 1004 mb
Low level cloud: 5%
Mid level cloud: 14%
High level cloud: 33%
Most Significant Cloud Type: low
13%
1.5 In
13:00

ENE
ENE

10 / 21 mph 47 / 42°F 87% 1016 mb
Low level cloud: 94%
Mid level cloud: 44%
High level cloud: 22%
Most Significant Cloud Type: low
100%
0.0 In
19:00

W
W

10 / 21 mph 63 / 63°F 75% 1009 mb
Low level cloud: 2%
Mid level cloud: 29%
High level cloud: 0%
Most Significant Cloud Type: medium
35%
0.0 In
Fri 17
May
01:00

ENE
ENE

18 / 37 mph 42 / 33°F 92% 1014 mb
Low level cloud: 64%
Mid level cloud: 72%
High level cloud: 100%
Most Significant Cloud Type: low
100%
0.1 In
07:00

NW
NW

5 / 11 mph 52 / 51°F 77% 1014 mb
Low level cloud: 82%
Mid level cloud: 73%
High level cloud: 100%
Most Significant Cloud Type: low
100%
0.0 In
13:00

E
E

15 / 32 mph 46 / 40°F 86% 1015 mb
Low level cloud: 99%
Mid level cloud: 9%
High level cloud: 17%
Most Significant Cloud Type: low
100%
0.0 In
19:00

NNW
NNW

4 / 8 mph 57 / 57°F 71% 1014 mb
Low level cloud: 0%
Mid level cloud: 46%
High level cloud: 32%
Most Significant Cloud Type: medium
46%
0.0 In
Sat 18
May
01:00

ENE
ENE

4 / 10 mph 46 / 44°F 98% 1013 mb
Low level cloud: 85%
Mid level cloud: 55%
High level cloud: 2%
Most Significant Cloud Type: low
100%
0.3 In
07:00

NE
NE

7 / 16 mph 51 / 48°F 74% 1017 mb
Low level cloud: 8%
Mid level cloud: 7%
High level cloud: 40%
Most Significant Cloud Type: low
14%
0.0 In
13:00

NW
NW

4 / 10 mph 67 / 67°F 65% 1011 mb
Low level cloud: 31%
Mid level cloud: 5%
High level cloud: 77%
Most Significant Cloud Type: low
42%
0.0 In
19:00

NNW
NNW

1 / 2 mph 58 / 58°F 67% 1017 mb
Low level cloud: 0%
Mid level cloud: 43%
High level cloud: 0%
Most Significant Cloud Type: medium
43%
0.0 In
Sun 19
May
01:00

SSW
SSW

6 / 12 mph 54 / 53°F 94% 1013 mb
Low level cloud: 9%
Mid level cloud: 22%
High level cloud: 1%
Most Significant Cloud Type: low
16%
0.1 In
07:00

ESE
ESE

3 / 7 mph 56 / 56°F 63% 1020 mb
Low level cloud: 0%
Mid level cloud: 21%
High level cloud: 6%
Most Significant Cloud Type: medium
21%
0.0 In
13:00

W
W

4 / 9 mph 69 / 69°F 62% 1014 mb
Low level cloud: 66%
Mid level cloud: 5%
High level cloud: 32%
Most Significant Cloud Type: low
71%
0.0 In
19:00

NNW
NNW

2 / 3 mph 59 / 59°F 65% 1020 mb
Low level cloud: 0%
Mid level cloud: 26%
High level cloud: 0%
Most Significant Cloud Type: medium
26%
0.0 In
Mon 20
May
01:00

E
E

7 / 14 mph 56 / 54°F 96% 1013 mb
Low level cloud: 14%
Mid level cloud: 16%
High level cloud: 100%
Most Significant Cloud Type: low
31%
0.0 In
07:00

W
W

9 / 19 mph 52 / 48°F 73% 1021 mb
Low level cloud: 0%
Mid level cloud: 24%
High level cloud: 42%
Most Significant Cloud Type: medium
26%
0.0 In
13:00

WNW
WNW

9 / 20 mph 69 / 69°F 79% 1010 mb
Low level cloud: 87%
Mid level cloud: 46%
High level cloud: 5%
Most Significant Cloud Type: low
100%
0.1 In
19:00

WNW
WNW

8 / 17 mph 53 / 51°F 75% 1017 mb
Low level cloud: 0%
Mid level cloud: 44%
High level cloud: 0%
Most Significant Cloud Type: medium
44%
0.0 In

Other Locations Near to Bautzen

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