Fast Forecast

WEATHER FOR BUSINESS

We supply weather data to businesses

Free Weather Plugin

Add this forecast to your website



Local Weather

Kizil-Arvat 14 Day Long Range Forecast

14 Day weather providing an extended long range forecast outlook for Kizil-Arvat

Russia

Long range weather outlook for Kizil-Arvat includes 14 day forecast summary:

Over the next 14 days the Kizil-Arvat forecast suggests the average daytime maximum temperature will be around 29°C, with a high for the two weeks of 34°C expected on the evening of Sunday 26th. The mean minimum temperature will be 20°C, dipping to its lowest on the morning of Sunday 19th at 17°C. Expect the next 14 days have mostly dry days although Thursday is likely to see a little rain. Predictions are Thursday 23rd will have the most precipitation with an accumulation of around 1.0mm. On the whole winds are likely to be moderate. Expect the strongest wind on the morning of Monday 27th, coming from a easterly direction, and reaching around 26mph.

DayLocal TimeDirSpeed/
Gust		Temp/
Feels Like		HumidityPressureCloud AmountPrecip AmountWeather
Sun 19
May		21:00

NE
NE

 10 / 16 mph 69 / 68°F 25% 1017 mb
Low level cloud: 0%
Mid level cloud: 8%
High level cloud: 2%
Most Significant Cloud Type: medium
7%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Mon 20
May		00:00

NE
NE

 11 / 17 mph 67 / 67°F 27% 1017 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
03:00

ENE
ENE

 14 / 21 mph 65 / 65°F 30% 1015 mb
Low level cloud: 0%
Mid level cloud: 4%
High level cloud: 32%
Most Significant Cloud Type: medium
5%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

ENE
ENE

 12 / 18 mph 65 / 65°F 33% 1015 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
09:00

ENE
ENE

 9 / 11 mph 68 / 67°F 34% 1017 mb
Low level cloud: 0%
Mid level cloud: 89%
High level cloud: 0%
Most Significant Cloud Type: medium
89%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

E
E

 13 / 14 mph 74 / 74°F 34% 1017 mb
Low level cloud: 0%
Mid level cloud: 42%
High level cloud: 9%
Most Significant Cloud Type: medium
41%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

E
E

 9 / 10 mph 80 / 76°F 28% 1016 mb
Low level cloud: 0%
Mid level cloud: 73%
High level cloud: 0%
Most Significant Cloud Type: medium
73%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

NE
NE

 5 / 6 mph 81 / 76°F 27% 1016 mb
Low level cloud: 0%
Mid level cloud: 74%
High level cloud: 0%
Most Significant Cloud Type: medium
74%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

NE
NE

 4 / 5 mph 81 / 77°F 29% 1016 mb
Low level cloud: 0%
Mid level cloud: 20%
High level cloud: 0%
Most Significant Cloud Type: medium
19%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Tue 21
May		00:00

ENE
ENE

 2 / 3 mph 73 / 75°F 36% 1016 mb
Low level cloud: 0%
Mid level cloud: 10%
High level cloud: 6%
Most Significant Cloud Type: medium
10%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

ENE
ENE

 4 / 6 mph 70 / 70°F 38% 1016 mb
Low level cloud: 0%
Mid level cloud: 26%
High level cloud: 77%
Most Significant Cloud Type: medium
29%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

ESE
ESE

 4 / 6 mph 69 / 69°F 35% 1017 mb
Low level cloud: 0%
Mid level cloud: 53%
High level cloud: 100%
Most Significant Cloud Type: medium
56%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

SSW
SSW

 6 / 6 mph 64 / 63°F 65% 1020 mb
Low level cloud: 0%
Mid level cloud: 94%
High level cloud: 100%
Most Significant Cloud Type: medium
97%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

S
S

 2 / 2 mph 69 / 66°F 62% 1020 mb
Low level cloud: 3%
Mid level cloud: 59%
High level cloud: 100%
Most Significant Cloud Type: medium
71%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

E
E

 6 / 7 mph 73 / 69°F 57% 1020 mb
Low level cloud: 2%
Mid level cloud: 49%
High level cloud: 12%
Most Significant Cloud Type: medium
54%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

E
E

 10 / 11 mph 75 / 76°F 41% 1019 mb
Low level cloud: 0%
Mid level cloud: 53%
High level cloud: 0%
Most Significant Cloud Type: medium
52%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

E
E

 10 / 11 mph 73 / 75°F 40% 1020 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
Wed 22
May		00:00

E
E

 6 / 9 mph 68 / 68°F 48% 1020 mb
Low level cloud: 0%
Mid level cloud: 14%
High level cloud: 0%
Most Significant Cloud Type: medium
13%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

SE
SE

 5 / 8 mph 66 / 66°F 52% 1019 mb
Low level cloud: 0%
Mid level cloud: 7%
High level cloud: 4%
Most Significant Cloud Type: medium
7%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

E
E

 4 / 8 mph 65 / 65°F 55% 1019 mb
Low level cloud: 0%
Mid level cloud: 7%
High level cloud: 20%
Most Significant Cloud Type: medium
7%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

E
E

 5 / 6 mph 70 / 68°F 51% 1019 mb
Low level cloud: 0%
Mid level cloud: 13%
High level cloud: 93%
Most Significant Cloud Type: medium
17%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

E
E

 13 / 15 mph 76 / 76°F 36% 1019 mb
Low level cloud: 0%
Mid level cloud: 7%
High level cloud: 99%
Most Significant Cloud Type: medium
10%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

E
E

 16 / 18 mph 82 / 78°F 25% 1017 mb
Low level cloud: 0%
Mid level cloud: 8%
High level cloud: 76%
Most Significant Cloud Type: medium
10%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

ESE
ESE

 22 / 25 mph 80 / 78°F 27% 1016 mb
Low level cloud: 0%
Mid level cloud: 7%
High level cloud: 100%
Most Significant Cloud Type: medium
10%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

ESE
ESE

 15 / 17 mph 76 / 76°F 36% 1015 mb
Low level cloud: 0%
Mid level cloud: 10%
High level cloud: 0%
Most Significant Cloud Type: medium
9%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Thu 23
May		00:00

ESE
ESE

 11 / 19 mph 70 / 70°F 40% 1015 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
03:00

E
E

 8 / 15 mph 68 / 68°F 42% 1013 mb
Low level cloud: 0%
Mid level cloud: 14%
High level cloud: 0%
Most Significant Cloud Type: medium
14%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

ESE
ESE

 6 / 12 mph 66 / 66°F 50% 1013 mb
Low level cloud: 0%
Mid level cloud: 15%
High level cloud: 0%
Most Significant Cloud Type: medium
14%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

ESE
ESE

 6 / 8 mph 74 / 75°F 45% 1013 mb
Low level cloud: 0%
Mid level cloud: 8%
High level cloud: 59%
Most Significant Cloud Type: medium
10%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

ESE
ESE

 17 / 19 mph 81 / 78°F 29% 1012 mb
Low level cloud: 0%
Mid level cloud: 24%
High level cloud: 93%
Most Significant Cloud Type: medium
28%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

S
S

 12 / 14 mph 81 / 78°F 33% 1012 mb
Low level cloud: 0%
Mid level cloud: 45%
High level cloud: 100%
Most Significant Cloud Type: medium
49%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

SE
SE

 11 / 12 mph 72 / 70°F 71% 1013 mb
Low level cloud: 0%
Mid level cloud: 45%
High level cloud: 74%
Most Significant Cloud Type: medium
48%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
21:00

E
E

 7 / 9 mph 73 / 76°F 57% 1013 mb
Low level cloud: 0%
Mid level cloud: 44%
High level cloud: 18%
Most Significant Cloud Type: medium
44%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Fri 24
May		00:00

SSE
SSE

 4 / 6 mph 68 / 68°F 58% 1013 mb
Low level cloud: 0%
Mid level cloud: 14%
High level cloud: 53%
Most Significant Cloud Type: medium
16%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

E
E

 3 / 6 mph 67 / 67°F 54% 1012 mb
Low level cloud: 0%
Mid level cloud: 18%
High level cloud: 22%
Most Significant Cloud Type: medium
18%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

NNE
NNE

 4 / 8 mph 65 / 65°F 55% 1012 mb
Low level cloud: 0%
Mid level cloud: 21%
High level cloud: 0%
Most Significant Cloud Type: medium
21%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

E
E

 3 / 3 mph 73 / 69°F 51% 1013 mb
Low level cloud: 0%
Mid level cloud: 21%
High level cloud: 4%
Most Significant Cloud Type: medium
21%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

E
E

 9 / 11 mph 81 / 78°F 29% 1013 mb
Low level cloud: 0%
Mid level cloud: 15%
High level cloud: 0%
Most Significant Cloud Type: medium
14%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

ESE
ESE

 9 / 11 mph 87 / 81°F 20% 1012 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
18:00

E
E

 9 / 11 mph 90 / 85°F 16% 1011 mb
Low level cloud: 0%
Mid level cloud: 9%
High level cloud: 8%
Most Significant Cloud Type: medium
9%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

ENE
ENE

 6 / 9 mph 89 / 83°F 18% 1012 mb
Low level cloud: 0%
Mid level cloud: 11%
High level cloud: 0%
Most Significant Cloud Type: medium
11%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Sat 25
May		00:00

NE
NE

 12 / 20 mph 80 / 77°F 23% 1013 mb
Low level cloud: 0%
Mid level cloud: 15%
High level cloud: 45%
Most Significant Cloud Type: medium
17%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

ENE
ENE

 11 / 18 mph 75 / 75°F 28% 1013 mb
Low level cloud: 0%
Mid level cloud: 11%
High level cloud: 3%
Most Significant Cloud Type: medium
10%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

ESE
ESE

 5 / 9 mph 72 / 75°F 37% 1015 mb
Low level cloud: 0%
Mid level cloud: 11%
High level cloud: 0%
Most Significant Cloud Type: medium
11%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

SE
SE

 2 / 3 mph 78 / 76°F 39% 1016 mb
Low level cloud: 0%
Mid level cloud: 9%
High level cloud: 0%
Most Significant Cloud Type: medium
9%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

E
E

 6 / 7 mph 84 / 79°F 26% 1016 mb
Low level cloud: 0%
Mid level cloud: 7%
High level cloud: 0%
Most Significant Cloud Type: medium
7%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

E
E

 13 / 15 mph 90 / 85°F 17% 1014 mb
Low level cloud: 0%
Mid level cloud: 5%
High level cloud: 0%
Most Significant Cloud Type: medium
5%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

ENE
ENE

 15 / 17 mph 93 / 88°F 15% 1013 mb
Low level cloud: 0%
Mid level cloud: 5%
High level cloud: 33%
Most Significant Cloud Type: medium
6%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

ENE
ENE

 16 / 23 mph 89 / 84°F 16% 1013 mb
Low level cloud: 0%
Mid level cloud: 7%
High level cloud: 0%
Most Significant Cloud Type: medium
7%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
DayLocal TimeDirSpeed/
Gust		Temp/
Feels Like		HumidityPressureCloud AmountPrecip AmountWeather
Sun 26
May		00:00

NE
NE

 13 / 21 mph 87 / 83°F 21% 1009 mb
Low level cloud: 0%
Mid level cloud: 22%
High level cloud: 78%
Most Significant Cloud Type: medium
25%
0.0 In
06:00

E
E

 14 / 23 mph 75 / 75°F 24% 1011 mb
Low level cloud: 0%
Mid level cloud: 8%
High level cloud: 97%
Most Significant Cloud Type: medium
11%
0.0 In
12:00

W
W

 14 / 17 mph 79 / 80°F 44% 1015 mb
Low level cloud: 27%
Mid level cloud: 29%
High level cloud: 6%
Most Significant Cloud Type: low
37%
0.0 In
18:00

NE
NE

 11 / 14 mph 72 / 75°F 34% 1016 mb
Low level cloud: 0%
Mid level cloud: 32%
High level cloud: 3%
Most Significant Cloud Type: medium
32%
0.0 In
Mon 27
May		00:00

E
E

 22 / 32 mph 85 / 81°F 13% 1007 mb
Low level cloud: 0%
Mid level cloud: 46%
High level cloud: 7%
Most Significant Cloud Type: medium
46%
0.0 In
06:00

E
E

 17 / 26 mph 74 / 73°F 12% 1009 mb
Low level cloud: 0%
Mid level cloud: 4%
High level cloud: 16%
Most Significant Cloud Type: medium
4%
0.0 In
12:00

ESE
ESE

 16 / 18 mph 81 / 78°F 12% 1015 mb
Low level cloud: 0%
Mid level cloud: 44%
High level cloud: 0%
Most Significant Cloud Type: medium
44%
0.0 In
18:00

E
E

 22 / 25 mph 82 / 78°F 7% 1016 mb
Low level cloud: 0%
Mid level cloud: 7%
High level cloud: 0%
Most Significant Cloud Type: medium
6%
0.0 In
Tue 28
May		00:00

ENE
ENE

 10 / 18 mph 76 / 74°F 20% 1016 mb
Low level cloud: 0%
Mid level cloud: 9%
High level cloud: 0%
Most Significant Cloud Type: medium
8%
0.0 In
06:00

ESE
ESE

 7 / 15 mph 67 / 67°F 16% 1015 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.0 In
12:00

E
E

 15 / 18 mph 82 / 78°F 10% 1015 mb
Low level cloud: 0%
Mid level cloud: 4%
High level cloud: 17%
Most Significant Cloud Type: medium
4%
0.0 In
18:00

E
E

 24 / 28 mph 92 / 88°F 8% 1010 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.0 In
Wed 29
May		00:00

ENE
ENE

 10 / 20 mph 79 / 76°F 16% 1012 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.0 In
06:00

E
E

 10 / 21 mph 71 / 71°F 21% 1009 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.0 In
12:00

E
E

 20 / 24 mph 87 / 83°F 11% 1011 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.0 In
18:00

E
E

 23 / 27 mph 97 / 94°F 8% 1008 mb
Low level cloud: 0%
Mid level cloud: 2%
High level cloud: 0%
Most Significant Cloud Type: medium
2%
0.0 In
Thu 30
May		00:00

E
E

 13 / 26 mph 83 / 79°F 16% 1009 mb
Low level cloud: 0%
Mid level cloud: 1%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.0 In
06:00

SSE
SSE

 5 / 11 mph 74 / 75°F 29% 1010 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.0 In
12:00

E
E

 24 / 28 mph 92 / 88°F 11% 1010 mb
Low level cloud: 0%
Mid level cloud: 1%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.0 In
18:00

E
E

 25 / 29 mph 99 / 96°F 11% 1010 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.0 In
Fri 31
May		00:00

E
E

 17 / 33 mph 88 / 84°F 14% 1009 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.0 In
06:00

E
E

 16 / 28 mph 79 / 76°F 16% 1011 mb
Low level cloud: 0%
Mid level cloud: 3%
High level cloud: 0%
Most Significant Cloud Type: medium
2%
0.0 In
12:00

SE
SE

 3 / 4 mph 93 / 89°F 18% 1012 mb
Low level cloud: 0%
Mid level cloud: 1%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.0 In
18:00

E
E

 20 / 23 mph 101 / 100°F 9% 1009 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.0 In
Sat 01
Jun		00:00

ESE
ESE

 15 / 25 mph 92 / 88°F 15% 1010 mb
Low level cloud: 0%
Mid level cloud: 5%
High level cloud: 0%
Most Significant Cloud Type: medium
4%
0.0 In
06:00

SW
SW

 9 / 14 mph 77 / 78°F 53% 1011 mb
Low level cloud: 0%
Mid level cloud: 46%
High level cloud: 0%
Most Significant Cloud Type: medium
46%
0.0 In
12:00

SSE
SSE

 1 / 1 mph 90 / 89°F 29% 1013 mb
Low level cloud: 0%
Mid level cloud: 25%
High level cloud: 0%
Most Significant Cloud Type: medium
25%
0.0 In
18:00

WSW
WSW

 16 / 19 mph 97 / 95°F 22% 1010 mb
Low level cloud: 0%
Mid level cloud: 4%
High level cloud: 0%
Most Significant Cloud Type: medium
4%
0.0 In
Sun 02
Jun		00:00

ESE
ESE

 22 / 34 mph 93 / 89°F 13% 1010 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.0 In
06:00

SW
SW

 18 / 24 mph 75 / 77°F 49% 1014 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.0 In
12:00

ENE
ENE

 1 / 2 mph 92 / 91°F 27% 1012 mb
Low level cloud: 0%
Mid level cloud: 44%
High level cloud: 0%
Most Significant Cloud Type: medium
43%
0.0 In
18:00

WNW
WNW

 15 / 17 mph 95 / 92°F 23% 1013 mb
Low level cloud: 0%
Mid level cloud: 5%
High level cloud: 0%
Most Significant Cloud Type: medium
5%
0.0 In
Mon 03
Jun		00:00

ESE
ESE

 15 / 26 mph 94 / 90°F 14% 1008 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.0 In
06:00

SW
SW

 9 / 14 mph 75 / 77°F 44% 1017 mb
Low level cloud: 0%
Mid level cloud: 8%
High level cloud: 0%
Most Significant Cloud Type: medium
8%
0.0 In
12:00

SW
SW

 6 / 7 mph 90 / 89°F 32% 1010 mb
Low level cloud: 0%
Mid level cloud: 29%
High level cloud: 0%
Most Significant Cloud Type: medium
28%
0.0 In
18:00

NNE
NNE

 8 / 9 mph 93 / 89°F 20% 1014 mb
Low level cloud: 0%
Mid level cloud: 5%
High level cloud: 4%
Most Significant Cloud Type: medium
5%
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