WEATHER FOR BUSINESS

We supply weather data to businesses

Free Weather Plugin

Add this forecast to your website



Local Weather

Saaremaa Island 14 Day Long Range Forecast

14 Day weather providing an extended long range forecast outlook for Saaremaa Island

Estonia

Long range weather outlook for Saaremaa Island includes 14 day forecast summary:

Reviewing the forecast for Saaremaa Island Over the next 14 days and the average daytime maximum temperature will be around 10°C, with a high for the two weeks of 14°C expected on the afternoon of Friday 3rd. The mean minimum temperature will be 6°C, dipping to its lowest on the morning of Tuesday 7th at 4°C. The fortnight ahead will remain predominantly dry. On the whole winds are likely to be moderate.

DayLocal TimeDirSpeed/
Gust
Temp/
Feels Like
HumidityPressureCloud AmountPrecip AmountWeather
Thu 02
May
20:00

ENE
ENE

11 / 23 mph 52 / 47°F 67% 1021 mb
Low level cloud: 0%
Mid level cloud: 1%
High level cloud: 100%
Most Significant Cloud Type: medium
5%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
23:00

E
E

10 / 21 mph 50 / 46°F 72% 1021 mb
Low level cloud: 0%
Mid level cloud: 6%
High level cloud: 32%
Most Significant Cloud Type: medium
7%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Fri 03
May
02:00

ESE
ESE

10 / 21 mph 44 / 39°F 77% 1021 mb
Low level cloud: 0%
Mid level cloud: 6%
High level cloud: 0%
Most Significant Cloud Type: medium
5%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
05:00

ESE
ESE

9 / 18 mph 42 / 37°F 83% 1021 mb
Low level cloud: 0%
Mid level cloud: 7%
High level cloud: 1%
Most Significant Cloud Type: medium
6%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
08:00

ESE
ESE

9 / 20 mph 47 / 42°F 72% 1021 mb
Low level cloud: 0%
Mid level cloud: 7%
High level cloud: 9%
Most Significant Cloud Type: medium
7%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
11:00

ESE
ESE

10 / 15 mph 54 / 50°F 62% 1021 mb
Low level cloud: 0%
Mid level cloud: 13%
High level cloud: 14%
Most Significant Cloud Type: medium
13%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
14:00

ESE
ESE

7 / 12 mph 56 / 53°F 59% 1020 mb
Low level cloud: 0%
Mid level cloud: 29%
High level cloud: 5%
Most Significant Cloud Type: medium
29%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
17:00

ENE
ENE

6 / 10 mph 57 / 54°F 62% 1020 mb
Low level cloud: 0%
Mid level cloud: 16%
High level cloud: 2%
Most Significant Cloud Type: medium
16%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
20:00

NE
NE

6 / 13 mph 52 / 49°F 70% 1019 mb
Low level cloud: 0%
Mid level cloud: 8%
High level cloud: 4%
Most Significant Cloud Type: medium
7%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
23:00

E
E

6 / 12 mph 47 / 44°F 69% 1019 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
Sat 04
May
02:00

SE
SE

5 / 10 mph 47 / 45°F 71% 1018 mb
Low level cloud: 0%
Mid level cloud: 6%
High level cloud: 46%
Most Significant Cloud Type: medium
7%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
05:00

SSE
SSE

3 / 6 mph 45 / 44°F 75% 1018 mb
Low level cloud: 0%
Mid level cloud: 6%
High level cloud: 29%
Most Significant Cloud Type: medium
6%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
08:00

SW
SW

2 / 5 mph 48 / 47°F 69% 1017 mb
Low level cloud: 0%
Mid level cloud: 6%
High level cloud: 12%
Most Significant Cloud Type: medium
6%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
11:00

W
W

4 / 8 mph 52 / 50°F 67% 1017 mb
Low level cloud: 0%
Mid level cloud: 7%
High level cloud: 32%
Most Significant Cloud Type: medium
8%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
14:00

W
W

7 / 12 mph 55 / 52°F 67% 1016 mb
Low level cloud: 0%
Mid level cloud: 11%
High level cloud: 20%
Most Significant Cloud Type: medium
11%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
17:00

WNW
WNW

6 / 11 mph 54 / 51°F 71% 1015 mb
Low level cloud: 0%
Mid level cloud: 9%
High level cloud: 3%
Most Significant Cloud Type: medium
9%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
20:00

W
W

5 / 11 mph 52 / 48°F 83% 1014 mb
Low level cloud: 0%
Mid level cloud: 8%
High level cloud: 10%
Most Significant Cloud Type: medium
8%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
23:00

WSW
WSW

8 / 17 mph 48 / 45°F 84% 1013 mb
Low level cloud: 0%
Mid level cloud: 27%
High level cloud: 2%
Most Significant Cloud Type: medium
27%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Sun 05
May
02:00

W
W

8 / 17 mph 46 / 41°F 89% 1012 mb
Low level cloud: 0%
Mid level cloud: 46%
High level cloud: 0%
Most Significant Cloud Type: medium
45%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
05:00

NW
NW

5 / 11 mph 44 / 41°F 88% 1011 mb
Low level cloud: 0%
Mid level cloud: 21%
High level cloud: 0%
Most Significant Cloud Type: medium
20%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
08:00

NE
NE

6 / 13 mph 47 / 43°F 80% 1011 mb
Low level cloud: 0%
Mid level cloud: 13%
High level cloud: 100%
Most Significant Cloud Type: medium
16%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
11:00

E
E

9 / 17 mph 51 / 46°F 74% 1012 mb
Low level cloud: 0%
Mid level cloud: 61%
High level cloud: 45%
Most Significant Cloud Type: medium
62%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
14:00

NE
NE

9 / 13 mph 54 / 50°F 72% 1012 mb
Low level cloud: 5%
Mid level cloud: 45%
High level cloud: 22%
Most Significant Cloud Type: medium
58%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
17:00

NE
NE

10 / 15 mph 52 / 48°F 57% 1012 mb
Low level cloud: 0%
Mid level cloud: 100%
High level cloud: 37%
Most Significant Cloud Type: medium
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
20:00

NE
NE

10 / 16 mph 50 / 45°F 60% 1012 mb
Low level cloud: 0%
Mid level cloud: 31%
High level cloud: 100%
Most Significant Cloud Type: medium
35%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
23:00

E
E

13 / 19 mph 47 / 42°F 67% 1012 mb
Low level cloud: 0%
Mid level cloud: 29%
High level cloud: 100%
Most Significant Cloud Type: medium
33%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Mon 06
May
02:00

E
E

15 / 26 mph 41 / 34°F 68% 1012 mb
Low level cloud: 0%
Mid level cloud: 46%
High level cloud: 100%
Most Significant Cloud Type: medium
50%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
05:00

E
E

15 / 23 mph 40 / 32°F 70% 1013 mb
Low level cloud: 0%
Mid level cloud: 21%
High level cloud: 100%
Most Significant Cloud Type: medium
24%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
08:00

ENE
ENE

17 / 26 mph 42 / 33°F 66% 1013 mb
Low level cloud: 0%
Mid level cloud: 3%
High level cloud: 32%
Most Significant Cloud Type: medium
4%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
11:00

ENE
ENE

14 / 21 mph 45 / 38°F 57% 1014 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 14%
Most Significant Cloud Type: high
13%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
14:00

NNE
NNE

13 / 18 mph 47 / 41°F 57% 1014 mb
Low level cloud: 0%
Mid level cloud: 5%
High level cloud: 4%
Most Significant Cloud Type: medium
4%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
17:00

NNE
NNE

17 / 23 mph 47 / 39°F 56% 1014 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
20:00

NNE
NNE

18 / 21 mph 44 / 37°F 71% 1016 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
23:00

N
N

12 / 14 mph 43 / 36°F 80% 1017 mb
Low level cloud: 0%
Mid level cloud: 13%
High level cloud: 0%
Most Significant Cloud Type: medium
13%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Tue 07
May
02:00

N
N

9 / 15 mph 39 / 33°F 81% 1017 mb
Low level cloud: 0%
Mid level cloud: 16%
High level cloud: 0%
Most Significant Cloud Type: medium
16%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
05:00

NE
NE

7 / 13 mph 38 / 33°F 80% 1019 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
08:00

NNE
NNE

13 / 23 mph 40 / 32°F 67% 1021 mb
Low level cloud: 0%
Mid level cloud: 6%
High level cloud: 0%
Most Significant Cloud Type: medium
5%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
11:00

N
N

17 / 27 mph 41 / 33°F 61% 1023 mb
Low level cloud: 0%
Mid level cloud: 2%
High level cloud: 4%
Most Significant Cloud Type: medium
2%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
14:00

N
N

18 / 23 mph 43 / 34°F 58% 1025 mb
Low level cloud: 0%
Mid level cloud: 3%
High level cloud: 5%
Most Significant Cloud Type: medium
3%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
17:00

N
N

15 / 20 mph 42 / 34°F 59% 1026 mb
Low level cloud: 0%
Mid level cloud: 9%
High level cloud: 10%
Most Significant Cloud Type: medium
9%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
20:00

NNW
NNW

13 / 18 mph 41 / 34°F 69% 1028 mb
Low level cloud: 0%
Mid level cloud: 28%
High level cloud: 33%
Most Significant Cloud Type: medium
29%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
23:00

NW
NW

9 / 14 mph 40 / 34°F 72% 1028 mb
Low level cloud: 0%
Mid level cloud: 33%
High level cloud: 20%
Most Significant Cloud Type: medium
33%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Wed 08
May
02:00

WNW
WNW

10 / 15 mph 41 / 35°F 74% 1028 mb
Low level cloud: 0%
Mid level cloud: 39%
High level cloud: 50%
Most Significant Cloud Type: medium
41%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
05:00

W
W

10 / 18 mph 40 / 33°F 73% 1028 mb
Low level cloud: 6%
Mid level cloud: 53%
High level cloud: 8%
Most Significant Cloud Type: medium
69%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
08:00

WSW
WSW

17 / 27 mph 42 / 33°F 71% 1026 mb
Low level cloud: 0%
Mid level cloud: 31%
High level cloud: 4%
Most Significant Cloud Type: medium
31%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
11:00

W
W

17 / 19 mph 46 / 38°F 82% 1025 mb
Low level cloud: 71%
Mid level cloud: 63%
High level cloud: 1%
Most Significant Cloud Type: low
92%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
14:00

WNW
WNW

15 / 17 mph 48 / 42°F 84% 1024 mb
Low level cloud: 86%
Mid level cloud: 57%
High level cloud: 13%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
17:00

WNW
WNW

9 / 12 mph 47 / 43°F 86% 1024 mb
Low level cloud: 94%
Mid level cloud: 64%
High level cloud: 37%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
20:00

W
W

5 / 10 mph 45 / 42°F 87% 1023 mb
Low level cloud: 80%
Mid level cloud: 92%
High level cloud: 100%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
23:00

WNW
WNW

5 / 11 mph 43 / 40°F 82% 1022 mb
Low level cloud: 75%
Mid level cloud: 98%
High level cloud: 100%
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
Thu 09
May
02:00

ENE
ENE

12 / 15 mph 39 / 32°F 84% 1019 mb
Low level cloud: 0%
Mid level cloud: 5%
High level cloud: 18%
Most Significant Cloud Type: medium
6%
0.0 In
08:00

NNE
NNE

11 / 18 mph 36 / 29°F 53% 1019 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.0 In
14:00

NNW
NNW

21 / 24 mph 46 / 38°F 90% 1013 mb
Low level cloud: 93%
Mid level cloud: 24%
High level cloud: 98%
Most Significant Cloud Type: low
100%
0.0 In
20:00

N
N

21 / 30 mph 40 / 30°F 90% 1009 mb
Low level cloud: 97%
Mid level cloud: 10%
High level cloud: 0%
Most Significant Cloud Type: low
100%
0.0 In
Fri 10
May
02:00

SSW
SSW

18 / 29 mph 42 / 33°F 87% 1016 mb
Low level cloud: 89%
Mid level cloud: 57%
High level cloud: 67%
Most Significant Cloud Type: low
100%
0.0 In
08:00

N
N

18 / 24 mph 38 / 28°F 97% 1005 mb
Low level cloud: 87%
Mid level cloud: 100%
High level cloud: 100%
Most Significant Cloud Type: low
100%
0.0 In
14:00

NNW
NNW

23 / 26 mph 43 / 35°F 74% 1025 mb
Low level cloud: 0%
Mid level cloud: 4%
High level cloud: 0%
Most Significant Cloud Type: medium
4%
0.0 In
20:00

N
N

24 / 28 mph 44 / 35°F 76% 1011 mb
Low level cloud: 62%
Mid level cloud: 58%
High level cloud: 32%
Most Significant Cloud Type: low
86%
0.0 In
Sat 11
May
02:00

SW
SW

7 / 15 mph 44 / 40°F 82% 1016 mb
Low level cloud: 93%
Mid level cloud: 53%
High level cloud: 8%
Most Significant Cloud Type: low
100%
0.0 In
08:00

NNE
NNE

15 / 20 mph 40 / 32°F 71% 1014 mb
Low level cloud: 41%
Mid level cloud: 4%
High level cloud: 80%
Most Significant Cloud Type: low
52%
0.1 In
14:00

NNW
NNW

18 / 21 mph 47 / 40°F 66% 1017 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 11%
Most Significant Cloud Type: high
10%
0.0 In
20:00

NNW
NNW

13 / 18 mph 42 / 34°F 81% 1017 mb
Low level cloud: 2%
Mid level cloud: 60%
High level cloud: 0%
Most Significant Cloud Type: medium
64%
0.0 In
Sun 12
May
02:00

N
N

16 / 23 mph 43 / 35°F 72% 1020 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.0 In
08:00

N
N

21 / 31 mph 41 / 31°F 85% 1014 mb
Low level cloud: 90%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
90%
0.0 In
14:00

NNW
NNW

11 / 16 mph 46 / 41°F 58% 1022 mb
Low level cloud: 0%
Mid level cloud: 5%
High level cloud: 0%
Most Significant Cloud Type: medium
4%
0.0 In
20:00

NNW
NNW

22 / 30 mph 42 / 33°F 82% 1013 mb
Low level cloud: 50%
Mid level cloud: 1%
High level cloud: 0%
Most Significant Cloud Type: low
49%
0.0 In
Mon 13
May
02:00

WSW
WSW

10 / 19 mph 45 / 39°F 71% 1019 mb
Low level cloud: 0%
Mid level cloud: 48%
High level cloud: 97%
Most Significant Cloud Type: medium
52%
0.0 In
08:00

NNW
NNW

25 / 35 mph 41 / 31°F 91% 1008 mb
Low level cloud: 100%
Mid level cloud: 51%
High level cloud: 14%
Most Significant Cloud Type: low
100%
0.0 In
14:00

WSW
WSW

18 / 24 mph 48 / 42°F 68% 1015 mb
Low level cloud: 0%
Mid level cloud: 73%
High level cloud: 95%
Most Significant Cloud Type: medium
76%
0.0 In
20:00

NNW
NNW

22 / 32 mph 42 / 33°F 89% 1007 mb
Low level cloud: 91%
Mid level cloud: 47%
High level cloud: 18%
Most Significant Cloud Type: low
100%
0.0 In
Tue 14
May
02:00

NNW
NNW

7 / 10 mph 45 / 41°F 86% 1012 mb
Low level cloud: 3%
Mid level cloud: 13%
High level cloud: 0%
Most Significant Cloud Type: medium
21%
0.0 In
08:00

N
N

11 / 17 mph 43 / 37°F 94% 1009 mb
Low level cloud: 95%
Mid level cloud: 100%
High level cloud: 29%
Most Significant Cloud Type: low
100%
0.1 In
14:00

N
N

9 / 11 mph 48 / 45°F 56% 1014 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.0 In
20:00

N
N

9 / 12 mph 44 / 39°F 85% 1013 mb
Low level cloud: 49%
Mid level cloud: 28%
High level cloud: 7%
Most Significant Cloud Type: low
60%
0.0 In
Wed 15
May
02:00

NE
NE

7 / 13 mph 43 / 39°F 63% 1014 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 16%
Most Significant Cloud Type: high
15%
0.0 In
08:00

NW
NW

10 / 16 mph 42 / 36°F 92% 1014 mb
Low level cloud: 97%
Mid level cloud: 19%
High level cloud: 0%
Most Significant Cloud Type: low
100%
0.0 In
14:00

E
E

4 / 6 mph 50 / 49°F 58% 1013 mb
Low level cloud: 0%
Mid level cloud: 1%
High level cloud: 100%
Most Significant Cloud Type: medium
5%
0.0 In
20:00

N
N

9 / 13 mph 44 / 39°F 85% 1013 mb
Low level cloud: 6%
Mid level cloud: 0%
High level cloud: 6%
Most Significant Cloud Type: low
6%
0.0 In
Thu 16
May
02:00

E
E

16 / 24 mph 46 / 40°F 70% 1010 mb
Low level cloud: 0%
Mid level cloud: 1%
High level cloud: 17%
Most Significant Cloud Type: high
17%
0.0 In
08:00

ESE
ESE

3 / 5 mph 43 / 41°F 73% 1013 mb
Low level cloud: 8%
Mid level cloud: 2%
High level cloud: 0%
Most Significant Cloud Type: low
8%
0.0 In
14:00

ESE
ESE

10 / 14 mph 49 / 45°F 73% 1010 mb
Low level cloud: 11%
Mid level cloud: 93%
High level cloud: 33%
Most Significant Cloud Type: medium
100%
0.0 In
20:00

NNE
NNE

5 / 9 mph 46 / 43°F 73% 1010 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 3%
Most Significant Cloud Type: high
3%
0.0 In
Fri 17
May
02:00

E
E

9 / 13 mph 47 / 42°F 89% 1011 mb
Low level cloud: 91%
Mid level cloud: 19%
High level cloud: 0%
Most Significant Cloud Type: low
97%
0.1 In
08:00

SW
SW

3 / 5 mph 45 / 44°F 69% 1005 mb
Low level cloud: 0%
Mid level cloud: 46%
High level cloud: 86%
Most Significant Cloud Type: medium
49%
0.0 In
14:00

E
E

7 / 11 mph 50 / 47°F 80% 1011 mb
Low level cloud: 91%
Mid level cloud: 8%
High level cloud: 52%
Most Significant Cloud Type: low
100%
0.0 In
20:00

NNW
NNW

15 / 21 mph 47 / 41°F 86% 1007 mb
Low level cloud: 17%
Mid level cloud: 17%
High level cloud: 100%
Most Significant Cloud Type: low
34%
0.0 In

Other Locations Near to Saaremaa Island

Cities and Towns: Vilsandi Island, Belarus
Football: FC Kuressaare, Estonia

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