WEATHER FOR BUSINESS

We supply weather data to businesses

Free Weather Plugin

Add this forecast to your website



Local Weather

Yakutsk 14 Day Long Range Forecast

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

Russia

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

The next 14 day outlook for Yakutsk shows the average daytime maximum temperature will be around -8°C, with a high for the two weeks of -4°C expected on the afternoon of Tuesday 17th. The mean minimum temperature will be -20°C, dipping to its lowest on the morning of Wednesday 11th at -28°C. Expect the following 14 days ahead to have most days seeing a little snow. Current predictions suggest Thursday 12th will have the most precipitation with an accumulation of around 5.0mm. On the whole winds are likely to be light.

DayLocal TimeDirSpeed/
Gust
Temp/
Feels Like
HumidityPressureCloud AmountPrecip AmountWeather
Wed 11
Mar
19:00

SE
SE

13 / 20 mph 16 / 2°F 90% 1019 mb
Low level cloud: 100%
Mid level cloud: 54%
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

SE
SE

14 / 21 mph 15 / 1°F 89% 1019 mb
Low level cloud: 80%
Mid level cloud: 100%
High level cloud: 29%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Thu 12
Mar
01:00

SE
SE

11 / 16 mph 15 / 2°F 90% 1019 mb
Low level cloud: 39%
Mid level cloud: 54%
High level cloud: 100%
Most Significant Cloud Type: low
69%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

SE
SE

7 / 12 mph 14 / 3°F 91% 1018 mb
Low level cloud: 25%
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
07:00

ESE
ESE

9 / 14 mph 14 / 2°F 92% 1018 mb
Low level cloud: 49%
Mid level cloud: 100%
High level cloud: 100%
Most Significant Cloud Type: low
95%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

ESE
ESE

11 / 13 mph 17 / 4°F 90% 1018 mb
Low level cloud: 27%
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
13:00

ESE
ESE

13 / 15 mph 19 / 6°F 91% 1015 mb
Low level cloud: 97%
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

SE
SE

9 / 10 mph 20 / 9°F 95% 1013 mb
Low level cloud: 68%
Mid level cloud: 89%
High level cloud: 100%
Most Significant Cloud Type: low
100%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
19:00

WNW
WNW

2 / 4 mph 18 / 15°F 97% 1014 mb
Low level cloud: 78%
Mid level cloud: 93%
High level cloud: 20%
Most Significant Cloud Type: low
100%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
22:00

WNW
WNW

11 / 15 mph 16 / 3°F 87% 1020 mb
Low level cloud: 13%
Mid level cloud: 27%
High level cloud: 7%
Most Significant Cloud Type: low
23%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Fri 13
Mar
01:00

WNW
WNW

13 / 22 mph 11 / -5°F 83% 1028 mb
Low level cloud: 85%
Mid level cloud: 44%
High level cloud: 32%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

WNW
WNW

9 / 15 mph 6 / -7°F 87% 1032 mb
Low level cloud: 100%
Mid level cloud: 100%
High level cloud: 99%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

WNW
WNW

9 / 12 mph 3 / -11°F 86% 1035 mb
Low level cloud: 3%
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
10:00

NW
NW

8 / 10 mph 3 / -11°F 85% 1037 mb
Low level cloud: 78%
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
13:00

NNW
NNW

8 / 9 mph 3 / -10°F 91% 1037 mb
Low level cloud: 100%
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

7 / 9 mph 5 / -8°F 89% 1036 mb
Low level cloud: 100%
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
19:00

NNW
NNW

5 / 8 mph 2 / -8°F 95% 1036 mb
Low level cloud: 100%
Mid level cloud: 100%
High level cloud: 68%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

NNW
NNW

5 / 8 mph -1 / -12°F 97% 1036 mb
Low level cloud: 100%
Mid level cloud: 100%
High level cloud: 15%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Sat 14
Mar
01:00

NW
NW

3 / 6 mph -4 / -12°F 98% 1036 mb
Low level cloud: 99%
Mid level cloud: 100%
High level cloud: 12%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

WNW
WNW

3 / 7 mph -15 / -25°F 100% 1035 mb
Low level cloud: 81%
Mid level cloud: 89%
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

WNW
WNW

4 / 7 mph -17 / -28°F 99% 1036 mb
Low level cloud: 66%
Mid level cloud: 71%
High level cloud: 33%
Most Significant Cloud Type: low
94%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

NW
NW

3 / 4 mph -6 / -14°F 92% 1035 mb
Low level cloud: 86%
Mid level cloud: 100%
High level cloud: 98%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

NW
NW

1 / 1 mph 0 / 0°F 82% 1033 mb
Low level cloud: 87%
Mid level cloud: 86%
High level cloud: 90%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

E
E

1 / 2 mph 4 / 4°F 80% 1032 mb
Low level cloud: 96%
Mid level cloud: 43%
High level cloud: 35%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

E
E

1 / 2 mph -4 / -4°F 96% 1031 mb
Low level cloud: 65%
Mid level cloud: 99%
High level cloud: 11%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

N
N

2 / 5 mph -10 / -16°F 99% 1030 mb
Low level cloud: 62%
Mid level cloud: 100%
High level cloud: 6%
Most Significant Cloud Type: low
97%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Sun 15
Mar
01:00

NNE
NNE

3 / 7 mph -4 / -12°F 99% 1029 mb
Low level cloud: 94%
Mid level cloud: 100%
High level cloud: 32%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

NNE
NNE

4 / 8 mph -4 / -13°F 99% 1027 mb
Low level cloud: 95%
Mid level cloud: 100%
High level cloud: 12%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

N
N

4 / 9 mph -2 / -11°F 98% 1026 mb
Low level cloud: 85%
Mid level cloud: 69%
High level cloud: 6%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

NNE
NNE

4 / 7 mph 5 / -4°F 95% 1025 mb
Low level cloud: 79%
Mid level cloud: 44%
High level cloud: 0%
Most Significant Cloud Type: low
94%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

N
N

4 / 5 mph 13 / 6°F 90% 1024 mb
Low level cloud: 100%
Mid level cloud: 98%
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

N
N

4 / 4 mph 17 / 11°F 89% 1023 mb
Low level cloud: 91%
Mid level cloud: 100%
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

NW
NW

2 / 3 mph 15 / 15°F 97% 1023 mb
Low level cloud: 70%
Mid level cloud: 100%
High level cloud: 2%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

WNW
WNW

4 / 8 mph 1 / -7°F 100% 1023 mb
Low level cloud: 71%
Mid level cloud: 45%
High level cloud: 11%
Most Significant Cloud Type: low
88%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Mon 16
Mar
01:00

WNW
WNW

4 / 9 mph 1 / -7°F 99% 1023 mb
Low level cloud: 81%
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
04:00

WNW
WNW

4 / 7 mph 5 / -3°F 97% 1022 mb
Low level cloud: 74%
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
07:00

WNW
WNW

3 / 6 mph 5 / -2°F 97% 1021 mb
Low level cloud: 71%
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

NW
NW

3 / 5 mph 11 / 4°F 93% 1020 mb
Low level cloud: 71%
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
13:00

NNW
NNW

5 / 6 mph 17 / 10°F 89% 1019 mb
Low level cloud: 98%
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

NNE
NNE

5 / 6 mph 20 / 13°F 89% 1017 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
19:00

N
N

4 / 6 mph 18 / 12°F 96% 1017 mb
Low level cloud: 59%
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
22:00

NNW
NNW

3 / 6 mph 15 / 10°F 97% 1016 mb
Low level cloud: 60%
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
Tue 17
Mar
01:00

NW
NW

3 / 5 mph 16 / 11°F 96% 1015 mb
Low level cloud: 64%
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
04:00

WNW
WNW

3 / 5 mph 16 / 11°F 96% 1015 mb
Low level cloud: 64%
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
07:00

WNW
WNW

3 / 6 mph 13 / 7°F 97% 1016 mb
Low level cloud: 62%
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

WNW
WNW

3 / 4 mph 17 / 13°F 93% 1017 mb
Low level cloud: 64%
Mid level cloud: 100%
High level cloud: 98%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

WNW
WNW

4 / 5 mph 22 / 17°F 89% 1018 mb
Low level cloud: 99%
Mid level cloud: 100%
High level cloud: 85%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

NW
NW

5 / 6 mph 24 / 18°F 87% 1018 mb
Low level cloud: 99%
Mid level cloud: 57%
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

5 / 9 mph 18 / 11°F 94% 1020 mb
Low level cloud: 76%
Mid level cloud: 47%
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

NW
NW

5 / 11 mph 11 / 2°F 97% 1021 mb
Low level cloud: 76%
Mid level cloud: 45%
High level cloud: 96%
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
Wed 18
Mar
04:00

SW
SW

3 / 6 mph -25 / -34°F 100% 1017 mb
Low level cloud: 46%
Mid level cloud: 46%
High level cloud: 15%
Most Significant Cloud Type: low
63%
0.0 In
10:00

WNW
WNW

13 / 16 mph 8 / -7°F 88% 1016 mb
Low level cloud: 71%
Mid level cloud: 97%
High level cloud: 99%
Most Significant Cloud Type: low
100%
0.0 In
16:00

W
W

10 / 12 mph 17 / 6°F 80% 1009 mb
Low level cloud: 100%
Mid level cloud: 61%
High level cloud: 92%
Most Significant Cloud Type: low
100%
0.0 In
22:00

SSW
SSW

3 / 7 mph -12 / -21°F 100% 1020 mb
Low level cloud: 81%
Mid level cloud: 44%
High level cloud: 45%
Most Significant Cloud Type: low
100%
0.0 In
Thu 19
Mar
04:00

SW
SW

3 / 7 mph -17 / -27°F 100% 1025 mb
Low level cloud: 10%
Mid level cloud: 0%
High level cloud: 2%
Most Significant Cloud Type: low
10%
0.0 In
10:00

W
W

11 / 14 mph 4 / -12°F 77% 1009 mb
Low level cloud: 11%
Mid level cloud: 1%
High level cloud: 0%
Most Significant Cloud Type: low
11%
0.0 In
16:00

W
W

8 / 10 mph 22 / 13°F 84% 1023 mb
Low level cloud: 100%
Mid level cloud: 44%
High level cloud: 65%
Most Significant Cloud Type: low
100%
0.0 In
22:00

SSE
SSE

2 / 4 mph 4 / 4°F 98% 1020 mb
Low level cloud: 83%
Mid level cloud: 98%
High level cloud: 66%
Most Significant Cloud Type: low
100%
0.0 In
Fri 20
Mar
04:00

W
W

3 / 6 mph 1 / -5°F 99% 1021 mb
Low level cloud: 78%
Mid level cloud: 45%
High level cloud: 21%
Most Significant Cloud Type: low
96%
0.0 In
10:00

ESE
ESE

2 / 4 mph 5 / 0°F 98% 1021 mb
Low level cloud: 100%
Mid level cloud: 45%
High level cloud: 41%
Most Significant Cloud Type: low
100%
0.0 In
16:00

SSE
SSE

3 / 3 mph 25 / 22°F 87% 1018 mb
Low level cloud: 88%
Mid level cloud: 99%
High level cloud: 35%
Most Significant Cloud Type: low
100%
0.0 In
22:00

ESE
ESE

3 / 6 mph 10 / 4°F 99% 1018 mb
Low level cloud: 81%
Mid level cloud: 100%
High level cloud: 100%
Most Significant Cloud Type: low
100%
0.0 In
Sat 21
Mar
04:00

S
S

2 / 4 mph 1 / -3°F 99% 1016 mb
Low level cloud: 98%
Mid level cloud: 44%
High level cloud: 33%
Most Significant Cloud Type: low
100%
0.0 In
10:00

NW
NW

6 / 9 mph 21 / 13°F 92% 1012 mb
Low level cloud: 55%
Mid level cloud: 86%
High level cloud: 0%
Most Significant Cloud Type: low
85%
0.1 In
16:00

S
S

8 / 10 mph 29 / 21°F 92% 1006 mb
Low level cloud: 84%
Mid level cloud: 100%
High level cloud: 100%
Most Significant Cloud Type: low
100%
0.0 In
22:00

W
W

5 / 11 mph -7 / -20°F 98% 1012 mb
Low level cloud: 5%
Mid level cloud: 14%
High level cloud: 0%
Most Significant Cloud Type: low
9%
0.0 In
Sun 22
Mar
04:00

SW
SW

5 / 10 mph 19 / 11°F 97% 1000 mb
Low level cloud: 46%
Mid level cloud: 87%
High level cloud: 100%
Most Significant Cloud Type: low
88%
0.1 In
10:00

NNW
NNW

5 / 6 mph -2 / -13°F 95% 1007 mb
Low level cloud: 100%
Mid level cloud: 83%
High level cloud: 0%
Most Significant Cloud Type: low
100%
0.0 In
16:00

W
W

14 / 16 mph 18 / 4°F 79% 1003 mb
Low level cloud: 100%
Mid level cloud: 28%
High level cloud: 0%
Most Significant Cloud Type: low
100%
0.0 In
22:00

W
W

7 / 14 mph -10 / -25°F 94% 1009 mb
Low level cloud: 77%
Mid level cloud: 100%
High level cloud: 0%
Most Significant Cloud Type: low
100%
0.0 In
Mon 23
Mar
04:00

W
W

8 / 17 mph 4 / -9°F 92% 1010 mb
Low level cloud: 69%
Mid level cloud: 82%
High level cloud: 0%
Most Significant Cloud Type: low
98%
0.0 In
10:00

WSW
WSW

5 / 6 mph -3 / -14°F 92% 1014 mb
Low level cloud: 100%
Mid level cloud: 97%
High level cloud: 0%
Most Significant Cloud Type: low
100%
0.0 In
16:00

WNW
WNW

12 / 15 mph 19 / 7°F 82% 1017 mb
Low level cloud: 100%
Mid level cloud: 43%
High level cloud: 7%
Most Significant Cloud Type: low
100%
0.0 In
22:00

SE
SE

3 / 7 mph -12 / -21°F 98% 1014 mb
Low level cloud: 51%
Mid level cloud: 32%
High level cloud: 100%
Most Significant Cloud Type: low
74%
0.0 In
Tue 24
Mar
04:00

WNW
WNW

11 / 19 mph 12 / -2°F 88% 1022 mb
Low level cloud: 100%
Mid level cloud: 20%
High level cloud: 8%
Most Significant Cloud Type: low
100%
0.0 In
10:00

SSE
SSE

11 / 14 mph 7 / -8°F 95% 1006 mb
Low level cloud: 91%
Mid level cloud: 67%
High level cloud: 0%
Most Significant Cloud Type: low
100%
0.0 In
16:00

WNW
WNW

12 / 15 mph 23 / 11°F 83% 1027 mb
Low level cloud: 97%
Mid level cloud: 24%
High level cloud: 12%
Most Significant Cloud Type: low
100%
0.0 In
22:00

W
W

5 / 11 mph 2 / -9°F 94% 1014 mb
Low level cloud: 39%
Mid level cloud: 45%
High level cloud: 0%
Most Significant Cloud Type: low
54%
0.1 In
Wed 25
Mar
04:00

WSW
WSW

6 / 13 mph 1 / -12°F 96% 1028 mb
Low level cloud: 19%
Mid level cloud: 13%
High level cloud: 65%
Most Significant Cloud Type: low
31%
0.0 In
10:00

NE
NE

3 / 4 mph 4 / -2°F 95% 1016 mb
Low level cloud: 73%
Mid level cloud: 100%
High level cloud: 100%
Most Significant Cloud Type: low
100%
0.0 In
16:00

NW
NW

6 / 8 mph 24 / 16°F 74% 1026 mb
Low level cloud: 87%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
86%
0.0 In
22:00

NNW
NNW

5 / 10 mph 7 / -3°F 96% 1011 mb
Low level cloud: 37%
Mid level cloud: 100%
High level cloud: 100%
Most Significant Cloud Type: low
84%
0.0 In
Thu 26
Mar
04:00

NW
NW

2 / 3 mph -5 / -5°F 100% 1026 mb
Low level cloud: 99%
Mid level cloud: 3%
High level cloud: 0%
Most Significant Cloud Type: low
100%
0.0 In
10:00

WNW
WNW

11 / 14 mph 8 / -6°F 86% 1011 mb
Low level cloud: 29%
Mid level cloud: 100%
High level cloud: 90%
Most Significant Cloud Type: medium
100%
0.0 In
16:00

SE
SE

2 / 3 mph 21 / 18°F 85% 1024 mb
Low level cloud: 74%
Mid level cloud: 0%
High level cloud: 2%
Most Significant Cloud Type: low
73%
0.0 In
22:00

W
W

5 / 11 mph -5 / -17°F 95% 1012 mb
Low level cloud: 3%
Mid level cloud: 46%
High level cloud: 12%
Most Significant Cloud Type: medium
55%
0.0 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