WEATHER FOR BUSINESS

We supply weather data to businesses

Free Weather Plugin

Add this forecast to your website



Local Weather

Ratmanova Island 14 Day Long Range Forecast

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

Russia

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

The forecast for Ratmanova Island in the coming two weeks is predicting the average daytime maximum temperature will be around 2°C, with a high for the two weeks of 6°C expected on the afternoon of Saturday 1st. The mean minimum temperature will be -2°C, dipping to its lowest on the morning of Wednesday 29th at -3°C. Expect the following 14 days ahead to remain predominantly dry. On the whole winds are likely to be moderate. Expect the strongest wind on the morning of Sunday 2nd, coming from a northerly direction, and reaching around 26mph.

DayLocal TimeDirSpeed/
Gust
Temp/
Feels Like
HumidityPressureCloud AmountPrecip AmountWeather
Wed 29
May
15:00

S
S

5 / 6 mph 33 / 28°F 82% 1013 mb
Low level cloud: 53%
Mid level cloud: 15%
High level cloud: 1%
Most Significant Cloud Type: low
58%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

ESE
ESE

2 / 2 mph 31 / 31°F 89% 1013 mb
Low level cloud: 5%
Mid level cloud: 8%
High level cloud: 10%
Most Significant Cloud Type: low
8%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

NNE
NNE

5 / 9 mph 30 / 24°F 88% 1014 mb
Low level cloud: 0%
Mid level cloud: 43%
High level cloud: 100%
Most Significant Cloud Type: medium
47%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Thu 30
May
00:00

NNE
NNE

8 / 13 mph 30 / 22°F 89% 1015 mb
Low level cloud: 0%
Mid level cloud: 100%
High level cloud: 34%
Most Significant Cloud Type: medium
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

N
N

11 / 20 mph 28 / 19°F 89% 1016 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
06:00

N
N

14 / 30 mph 27 / 16°F 84% 1016 mb
Low level cloud: 0%
Mid level cloud: 48%
High level cloud: 32%
Most Significant Cloud Type: medium
48%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

N
N

17 / 30 mph 31 / 19°F 84% 1017 mb
Low level cloud: 0%
Mid level cloud: 9%
High level cloud: 46%
Most Significant Cloud Type: medium
10%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

N
N

17 / 24 mph 34 / 23°F 86% 1018 mb
Low level cloud: 2%
Mid level cloud: 43%
High level cloud: 94%
Most Significant Cloud Type: medium
51%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

N
N

17 / 22 mph 36 / 25°F 89% 1018 mb
Low level cloud: 6%
Mid level cloud: 15%
High level cloud: 35%
Most Significant Cloud Type: low
16%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

N
N

16 / 28 mph 34 / 23°F 92% 1018 mb
Low level cloud: 5%
Mid level cloud: 12%
High level cloud: 17%
Most Significant Cloud Type: low
11%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

N
N

17 / 35 mph 31 / 20°F 93% 1018 mb
Low level cloud: 2%
Mid level cloud: 15%
High level cloud: 21%
Most Significant Cloud Type: medium
21%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Fri 31
May
00:00

N
N

17 / 26 mph 34 / 24°F 93% 1018 mb
Low level cloud: 1%
Mid level cloud: 13%
High level cloud: 100%
Most Significant Cloud Type: medium
19%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

N
N

17 / 31 mph 33 / 21°F 94% 1018 mb
Low level cloud: 0%
Mid level cloud: 9%
High level cloud: 100%
Most Significant Cloud Type: medium
13%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

N
N

17 / 35 mph 31 / 19°F 98% 1017 mb
Low level cloud: 7%
Mid level cloud: 5%
High level cloud: 100%
Most Significant Cloud Type: medium
29%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

N
N

17 / 23 mph 35 / 25°F 98% 1017 mb
Low level cloud: 40%
Mid level cloud: 2%
High level cloud: 9%
Most Significant Cloud Type: low
42%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

N
N

17 / 20 mph 40 / 31°F 95% 1016 mb
Low level cloud: 38%
Mid level cloud: 0%
High level cloud: 13%
Most Significant Cloud Type: low
39%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

N
N

16 / 19 mph 42 / 34°F 94% 1015 mb
Low level cloud: 33%
Mid level cloud: 0%
High level cloud: 100%
Most Significant Cloud Type: low
44%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

N
N

16 / 18 mph 40 / 31°F 93% 1014 mb
Low level cloud: 31%
Mid level cloud: 3%
High level cloud: 35%
Most Significant Cloud Type: low
35%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

N
N

14 / 16 mph 37 / 27°F 94% 1014 mb
Low level cloud: 25%
Mid level cloud: 24%
High level cloud: 28%
Most Significant Cloud Type: low
36%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Sat 01
Jun
00:00

N
N

14 / 21 mph 34 / 25°F 93% 1013 mb
Low level cloud: 7%
Mid level cloud: 48%
High level cloud: 33%
Most Significant Cloud Type: medium
68%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

NNE
NNE

12 / 19 mph 32 / 23°F 91% 1012 mb
Low level cloud: 18%
Mid level cloud: 56%
High level cloud: 94%
Most Significant Cloud Type: medium
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

N
N

12 / 21 mph 30 / 21°F 93% 1012 mb
Low level cloud: 42%
Mid level cloud: 58%
High level cloud: 100%
Most Significant Cloud Type: low
73%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

NNW
NNW

8 / 11 mph 35 / 28°F 94% 1012 mb
Low level cloud: 82%
Mid level cloud: 77%
High level cloud: 32%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

N
N

8 / 9 mph 40 / 34°F 93% 1012 mb
Low level cloud: 23%
Mid level cloud: 38%
High level cloud: 21%
Most Significant Cloud Type: low
38%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

N
N

11 / 12 mph 42 / 36°F 94% 1011 mb
Low level cloud: 19%
Mid level cloud: 6%
High level cloud: 21%
Most Significant Cloud Type: low
23%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

N
N

13 / 15 mph 40 / 32°F 97% 1011 mb
Low level cloud: 91%
Mid level cloud: 8%
High level cloud: 33%
Most Significant Cloud Type: low
97%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

NNW
NNW

16 / 18 mph 36 / 27°F 97% 1011 mb
Low level cloud: 89%
Mid level cloud: 10%
High level cloud: 15%
Most Significant Cloud Type: low
94%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Sun 02
Jun
00:00

N
N

19 / 28 mph 32 / 20°F 95% 1010 mb
Low level cloud: 97%
Mid level cloud: 16%
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

N
N

21 / 30 mph 30 / 17°F 93% 1009 mb
Low level cloud: 96%
Mid level cloud: 22%
High level cloud: 1%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

N
N

24 / 36 mph 28 / 14°F 94% 1009 mb
Low level cloud: 89%
Mid level cloud: 40%
High level cloud: 0%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

N
N

25 / 29 mph 32 / 19°F 93% 1010 mb
Low level cloud: 85%
Mid level cloud: 51%
High level cloud: 18%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

N
N

26 / 30 mph 36 / 24°F 88% 1010 mb
Low level cloud: 99%
Mid level cloud: 31%
High level cloud: 16%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

N
N

26 / 30 mph 38 / 26°F 84% 1010 mb
Low level cloud: 100%
Mid level cloud: 16%
High level cloud: 32%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

N
N

28 / 32 mph 36 / 23°F 82% 1010 mb
Low level cloud: 99%
Mid level cloud: 11%
High level cloud: 6%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

N
N

27 / 34 mph 33 / 19°F 81% 1010 mb
Low level cloud: 93%
Mid level cloud: 4%
High level cloud: 1%
Most Significant Cloud Type: low
94%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Mon 03
Jun
00:00

N
N

25 / 40 mph 30 / 16°F 85% 1010 mb
Low level cloud: 94%
Mid level cloud: 4%
High level cloud: 9%
Most Significant Cloud Type: low
96%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

N
N

26 / 46 mph 28 / 14°F 88% 1010 mb
Low level cloud: 100%
Mid level cloud: 12%
High level cloud: 14%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

N
N

28 / 53 mph 27 / 12°F 86% 1011 mb
Low level cloud: 100%
Mid level cloud: 10%
High level cloud: 14%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

N
N

28 / 43 mph 30 / 16°F 84% 1011 mb
Low level cloud: 100%
Mid level cloud: 0%
High level cloud: 32%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

N
N

26 / 30 mph 33 / 20°F 84% 1012 mb
Low level cloud: 100%
Mid level cloud: 2%
High level cloud: 31%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

N
N

25 / 29 mph 35 / 22°F 80% 1012 mb
Low level cloud: 61%
Mid level cloud: 1%
High level cloud: 75%
Most Significant Cloud Type: low
70%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

N
N

24 / 28 mph 34 / 21°F 83% 1012 mb
Low level cloud: 53%
Mid level cloud: 0%
High level cloud: 31%
Most Significant Cloud Type: low
57%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

N
N

23 / 30 mph 31 / 18°F 86% 1013 mb
Low level cloud: 19%
Mid level cloud: 2%
High level cloud: 30%
Most Significant Cloud Type: low
23%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Tue 04
Jun
00:00

N
N

22 / 27 mph 30 / 17°F 89% 1013 mb
Low level cloud: 79%
Mid level cloud: 0%
High level cloud: 1%
Most Significant Cloud Type: low
78%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

N
N

22 / 37 mph 28 / 14°F 82% 1013 mb
Low level cloud: 100%
Mid level cloud: 0%
High level cloud: 2%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

NNW
NNW

24 / 45 mph 27 / 12°F 87% 1013 mb
Low level cloud: 99%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
99%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

N
N

25 / 39 mph 30 / 16°F 86% 1013 mb
Low level cloud: 79%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
79%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

N
N

25 / 28 mph 34 / 21°F 85% 1013 mb
Low level cloud: 82%
Mid level cloud: 1%
High level cloud: 0%
Most Significant Cloud Type: low
82%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

N
N

25 / 29 mph 36 / 23°F 83% 1013 mb
Low level cloud: 59%
Mid level cloud: 2%
High level cloud: 0%
Most Significant Cloud Type: low
59%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

NNW
NNW

25 / 28 mph 34 / 21°F 83% 1013 mb
Low level cloud: 61%
Mid level cloud: 3%
High level cloud: 0%
Most Significant Cloud Type: low
61%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

NNW
NNW

23 / 30 mph 31 / 18°F 86% 1013 mb
Low level cloud: 35%
Mid level cloud: 4%
High level cloud: 0%
Most Significant Cloud Type: low
36%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
DayLocal TimeDirSpeed/
Gust
Temp/
Feels Like
HumidityPressureCloud AmountPrecip AmountWeather
Wed 05
Jun
00:00

NNW
NNW

25 / 30 mph 33 / 20°F 89% 1010 mb
Low level cloud: 23%
Mid level cloud: 2%
High level cloud: 6%
Most Significant Cloud Type: low
24%
0.0 In
06:00

NNW
NNW

21 / 39 mph 27 / 13°F 89% 1010 mb
Low level cloud: 26%
Mid level cloud: 6%
High level cloud: 17%
Most Significant Cloud Type: low
29%
0.0 In
12:00

NNW
NNW

21 / 24 mph 37 / 26°F 94% 1007 mb
Low level cloud: 48%
Mid level cloud: 63%
High level cloud: 85%
Most Significant Cloud Type: low
80%
0.0 In
18:00

NNW
NNW

16 / 19 mph 35 / 25°F 88% 1011 mb
Low level cloud: 16%
Mid level cloud: 0%
High level cloud: 37%
Most Significant Cloud Type: low
20%
0.0 In
Thu 06
Jun
00:00

NNW
NNW

22 / 29 mph 34 / 22°F 94% 1011 mb
Low level cloud: 66%
Mid level cloud: 4%
High level cloud: 10%
Most Significant Cloud Type: low
68%
0.0 In
06:00

N
N

19 / 30 mph 31 / 18°F 93% 1012 mb
Low level cloud: 100%
Mid level cloud: 15%
High level cloud: 32%
Most Significant Cloud Type: low
100%
0.0 In
12:00

NNW
NNW

21 / 24 mph 36 / 25°F 95% 1006 mb
Low level cloud: 76%
Mid level cloud: 25%
High level cloud: 28%
Most Significant Cloud Type: low
87%
0.0 In
18:00

NW
NW

11 / 14 mph 33 / 24°F 97% 1003 mb
Low level cloud: 83%
Mid level cloud: 96%
High level cloud: 0%
Most Significant Cloud Type: low
100%
0.0 In
Fri 07
Jun
00:00

NNW
NNW

26 / 36 mph 33 / 20°F 94% 1005 mb
Low level cloud: 73%
Mid level cloud: 10%
High level cloud: 68%
Most Significant Cloud Type: low
84%
0.0 In
06:00

NNE
NNE

7 / 12 mph 30 / 23°F 89% 1004 mb
Low level cloud: 36%
Mid level cloud: 31%
High level cloud: 0%
Most Significant Cloud Type: low
46%
0.0 In
12:00

N
N

26 / 29 mph 36 / 23°F 92% 1004 mb
Low level cloud: 49%
Mid level cloud: 5%
High level cloud: 21%
Most Significant Cloud Type: low
53%
0.0 In
18:00

SE
SE

6 / 8 mph 33 / 28°F 92% 1008 mb
Low level cloud: 22%
Mid level cloud: 5%
High level cloud: 0%
Most Significant Cloud Type: low
23%
0.0 In
Sat 08
Jun
00:00

N
N

10 / 16 mph 32 / 24°F 95% 1008 mb
Low level cloud: 69%
Mid level cloud: 23%
High level cloud: 100%
Most Significant Cloud Type: low
88%
0.0 In
06:00

E
E

6 / 12 mph 30 / 24°F 90% 1012 mb
Low level cloud: 93%
Mid level cloud: 74%
High level cloud: 100%
Most Significant Cloud Type: low
100%
0.0 In
12:00

SW
SW

8 / 10 mph 35 / 29°F 94% 1012 mb
Low level cloud: 42%
Mid level cloud: 31%
High level cloud: 27%
Most Significant Cloud Type: low
55%
0.0 In
18:00

N
N

14 / 28 mph 36 / 27°F 88% 1014 mb
Low level cloud: 0%
Mid level cloud: 45%
High level cloud: 40%
Most Significant Cloud Type: medium
46%
0.0 In
Sun 09
Jun
00:00

N
N

9 / 11 mph 33 / 25°F 98% 1011 mb
Low level cloud: 81%
Mid level cloud: 8%
High level cloud: 9%
Most Significant Cloud Type: low
84%
0.0 In
06:00

N
N

16 / 34 mph 32 / 21°F 93% 1016 mb
Low level cloud: 0%
Mid level cloud: 12%
High level cloud: 32%
Most Significant Cloud Type: medium
13%
0.0 In
12:00

NNE
NNE

8 / 9 mph 37 / 31°F 96% 1010 mb
Low level cloud: 53%
Mid level cloud: 12%
High level cloud: 15%
Most Significant Cloud Type: low
59%
0.0 In
18:00

N
N

21 / 26 mph 39 / 29°F 98% 1014 mb
Low level cloud: 20%
Mid level cloud: 1%
High level cloud: 10%
Most Significant Cloud Type: low
21%
0.0 In
Mon 10
Jun
00:00

N
N

6 / 11 mph 33 / 27°F 97% 1011 mb
Low level cloud: 11%
Mid level cloud: 44%
High level cloud: 54%
Most Significant Cloud Type: medium
75%
0.0 In
06:00

N
N

21 / 39 mph 32 / 20°F 96% 1011 mb
Low level cloud: 51%
Mid level cloud: 11%
High level cloud: 2%
Most Significant Cloud Type: low
54%
0.0 In
12:00

SSW
SSW

5 / 6 mph 37 / 33°F 96% 1014 mb
Low level cloud: 27%
Mid level cloud: 6%
High level cloud: 14%
Most Significant Cloud Type: low
30%
0.0 In
18:00

N
N

14 / 16 mph 38 / 30°F 97% 1012 mb
Low level cloud: 50%
Mid level cloud: 24%
High level cloud: 16%
Most Significant Cloud Type: low
60%
0.0 In
Tue 11
Jun
00:00

SSW
SSW

13 / 18 mph 32 / 22°F 98% 1015 mb
Low level cloud: 84%
Mid level cloud: 2%
High level cloud: 6%
Most Significant Cloud Type: low
85%
0.0 In
06:00

N
N

11 / 20 mph 31 / 22°F 94% 1011 mb
Low level cloud: 48%
Mid level cloud: 57%
High level cloud: 100%
Most Significant Cloud Type: low
79%
0.0 In
12:00

S
S

19 / 26 mph 36 / 25°F 94% 1018 mb
Low level cloud: 55%
Mid level cloud: 11%
High level cloud: 32%
Most Significant Cloud Type: low
62%
0.0 In
18:00

N
N

11 / 13 mph 37 / 29°F 96% 1009 mb
Low level cloud: 88%
Mid level cloud: 48%
High level cloud: 32%
Most Significant Cloud Type: low
100%
0.1 In
Wed 12
Jun
00:00

S
S

17 / 24 mph 36 / 26°F 94% 1019 mb
Low level cloud: 10%
Mid level cloud: 43%
High level cloud: 92%
Most Significant Cloud Type: medium
76%
0.0 In
06:00

NE
NE

8 / 14 mph 32 / 25°F 99% 1010 mb
Low level cloud: 93%
Mid level cloud: 52%
High level cloud: 32%
Most Significant Cloud Type: low
100%
0.0 In
12:00

S
S

12 / 16 mph 41 / 34°F 90% 1017 mb
Low level cloud: 0%
Mid level cloud: 4%
High level cloud: 11%
Most Significant Cloud Type: medium
4%
0.0 In
18:00

NE
NE

7 / 14 mph 39 / 33°F 99% 1008 mb
Low level cloud: 98%
Mid level cloud: 94%
High level cloud: 0%
Most Significant Cloud Type: low
100%
0.1 In
Thu 13
Jun
00:00

S
S

9 / 18 mph 36 / 29°F 92% 1017 mb
Low level cloud: 0%
Mid level cloud: 23%
High level cloud: 32%
Most Significant Cloud Type: medium
24%
0.0 In
06:00

ESE
ESE

4 / 10 mph 34 / 29°F 100% 1012 mb
Low level cloud: 94%
Mid level cloud: 69%
High level cloud: 2%
Most Significant Cloud Type: low
100%
0.0 In
12:00

S
S

4 / 7 mph 41 / 38°F 92% 1016 mb
Low level cloud: 0%
Mid level cloud: 4%
High level cloud: 0%
Most Significant Cloud Type: medium
4%
0.0 In
18:00

ENE
ENE

4 / 8 mph 37 / 35°F 100% 1015 mb
Low level cloud: 100%
Mid level cloud: 100%
High level cloud: 100%
Most Significant Cloud Type: low
100%
0.1 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