WEATHER FOR BUSINESS

We supply weather data to businesses

Free Weather Plugin

Add this forecast to your website



Local Weather

Sesvete 14 Day Long Range Forecast

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

Croatia

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

Reviewing the forecast for Sesvete Over the next 14 days and the average daytime maximum temperature will be around 6°C, with a high for the two weeks of 8°C expected on the afternoon of Tuesday 27th. The mean minimum temperature will be 2°C, dipping to its lowest on the morning of Saturday 24th at 0°C. Expect the following 14 days ahead to have some days seeing a little precipitation and some days with rain or sleet. The indicators are that Sunday 25th will have the most precipitation with an accumulation of around 11.0mm. On the whole winds are likely to be light.

DayLocal TimeDirSpeed/
Gust
Temp/
Feels Like
HumidityPressureCloud AmountPrecip AmountWeather
Sat 24
Jan
19:00

NNE
NNE

0 / 1 mph 43 / 42°F 98% 1006 mb
Low level cloud: 99%
Mid level cloud: 90%
High level cloud: 0%
Most Significant Cloud Type: low
100%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
22:00

SSW
SSW

1 / 2 mph 41 / 41°F 97% 1006 mb
Low level cloud: 65%
Mid level cloud: 45%
High level cloud: 7%
Most Significant Cloud Type: low
81%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Sun 25
Jan
01:00

ESE
ESE

1 / 2 mph 39 / 39°F 97% 1006 mb
Low level cloud: 39%
Mid level cloud: 22%
High level cloud: 100%
Most Significant Cloud Type: low
58%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

WNW
WNW

1 / 2 mph 38 / 38°F 97% 1005 mb
Low level cloud: 46%
Mid level cloud: 32%
High level cloud: 39%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

ENE
ENE

2 / 4 mph 38 / 37°F 96% 1004 mb
Low level cloud: 37%
Mid level cloud: 67%
High level cloud: 62%
Most Significant Cloud Type: low
67%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

NNE
NNE

3 / 5 mph 40 / 38°F 98% 1002 mb
Low level cloud: 97%
Mid level cloud: 88%
High level cloud: 20%
Most Significant Cloud Type: low
100%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
13:00

NNE
NNE

4 / 6 mph 42 / 39°F 97% 1000 mb
Low level cloud: 80%
Mid level cloud: 86%
High level cloud: 36%
Most Significant Cloud Type: low
100%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
16:00

NE
NE

6 / 11 mph 42 / 38°F 97% 997 mb
Low level cloud: 73%
Mid level cloud: 70%
High level cloud: 22%
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 41 / 41°F 99% 997 mb
Low level cloud: 98%
Mid level cloud: 55%
High level cloud: 15%
Most Significant Cloud Type: low
100%
Expect 0.3 In of precipitation over the past 3 hours.
0.3 In
22:00

WSW
WSW

2 / 4 mph 40 / 39°F 98% 997 mb
Low level cloud: 67%
Mid level cloud: 5%
High level cloud: 4%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Mon 26
Jan
01:00

S
S

1 / 3 mph 38 / 38°F 97% 998 mb
Low level cloud: 33%
Mid level cloud: 13%
High level cloud: 32%
Most Significant Cloud Type: low
41%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

W
W

2 / 4 mph 37 / 37°F 95% 997 mb
Low level cloud: 6%
Mid level cloud: 1%
High level cloud: 100%
Most Significant Cloud Type: medium
21%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

WNW
WNW

1 / 3 mph 36 / 36°F 94% 998 mb
Low level cloud: 9%
Mid level cloud: 7%
High level cloud: 79%
Most Significant Cloud Type: medium
35%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

NNW
NNW

2 / 2 mph 41 / 41°F 85% 1000 mb
Low level cloud: 9%
Mid level cloud: 20%
High level cloud: 4%
Most Significant Cloud Type: low
16%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

N
N

2 / 3 mph 44 / 43°F 82% 1000 mb
Low level cloud: 62%
Mid level cloud: 47%
High level cloud: 0%
Most Significant Cloud Type: low
78%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

NNE
NNE

3 / 4 mph 42 / 41°F 91% 1002 mb
Low level cloud: 78%
Mid level cloud: 43%
High level cloud: 1%
Most Significant Cloud Type: low
93%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

NNE
NNE

3 / 4 mph 40 / 38°F 93% 1005 mb
Low level cloud: 89%
Mid level cloud: 45%
High level cloud: 0%
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 / 3 mph 39 / 39°F 91% 1006 mb
Low level cloud: 50%
Mid level cloud: 66%
High level cloud: 0%
Most Significant Cloud Type: low
72%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Tue 27
Jan
01:00

SSE
SSE

2 / 2 mph 39 / 39°F 91% 1007 mb
Low level cloud: 57%
Mid level cloud: 54%
High level cloud: 0%
Most Significant Cloud Type: low
76%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

WSW
WSW

2 / 3 mph 39 / 38°F 92% 1008 mb
Low level cloud: 11%
Mid level cloud: 44%
High level cloud: 0%
Most Significant Cloud Type: medium
74%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

SSW
SSW

2 / 4 mph 38 / 37°F 93% 1008 mb
Low level cloud: 20%
Mid level cloud: 46%
High level cloud: 3%
Most Significant Cloud Type: low
36%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

SE
SE

2 / 2 mph 42 / 41°F 84% 1008 mb
Low level cloud: 16%
Mid level cloud: 23%
High level cloud: 5%
Most Significant Cloud Type: low
25%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

S
S

4 / 4 mph 46 / 45°F 72% 1006 mb
Low level cloud: 36%
Mid level cloud: 5%
High level cloud: 0%
Most Significant Cloud Type: low
37%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

S
S

3 / 4 mph 46 / 45°F 77% 1005 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
19:00

S
S

4 / 8 mph 42 / 39°F 88% 1004 mb
Low level cloud: 0%
Mid level cloud: 11%
High level cloud: 100%
Most Significant Cloud Type: medium
15%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

SSW
SSW

7 / 13 mph 41 / 36°F 85% 1003 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
Wed 28
Jan
01:00

SSW
SSW

8 / 14 mph 41 / 36°F 85% 1002 mb
Low level cloud: 34%
Mid level cloud: 97%
High level cloud: 20%
Most Significant Cloud Type: low
70%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

SSW
SSW

6 / 12 mph 40 / 36°F 84% 1001 mb
Low level cloud: 36%
Mid level cloud: 83%
High level cloud: 79%
Most Significant Cloud Type: low
74%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

S
S

4 / 8 mph 40 / 38°F 88% 999 mb
Low level cloud: 97%
Mid level cloud: 74%
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

SE
SE

3 / 5 mph 43 / 41°F 88% 998 mb
Low level cloud: 83%
Mid level cloud: 72%
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

E
E

3 / 6 mph 44 / 43°F 88% 995 mb
Low level cloud: 76%
Mid level cloud: 79%
High level cloud: 86%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

ENE
ENE

3 / 5 mph 45 / 44°F 97% 994 mb
Low level cloud: 98%
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
19:00

ENE
ENE

4 / 8 mph 44 / 41°F 98% 993 mb
Low level cloud: 91%
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
22:00

NNE
NNE

3 / 6 mph 42 / 40°F 99% 992 mb
Low level cloud: 99%
Mid level cloud: 94%
High level cloud: 100%
Most Significant Cloud Type: low
100%
Expect 0.2 In of precipitation over the past 3 hours.
0.2 In
Thu 29
Jan
01:00

WSW
WSW

3 / 5 mph 40 / 39°F 97% 993 mb
Low level cloud: 98%
Mid level cloud: 83%
High level cloud: 100%
Most Significant Cloud Type: low
100%
Expect 0.2 In of precipitation over the past 3 hours.
0.2 In
04:00

NW
NW

5 / 9 mph 39 / 35°F 95% 996 mb
Low level cloud: 97%
Mid level cloud: 72%
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

N
N

7 / 9 mph 39 / 34°F 94% 999 mb
Low level cloud: 89%
Mid level cloud: 66%
High level cloud: 100%
Most Significant Cloud Type: low
100%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
10:00

N
N

2 / 3 mph 41 / 41°F 90% 1001 mb
Low level cloud: 93%
Mid level cloud: 83%
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

SW
SW

4 / 4 mph 43 / 41°F 91% 1002 mb
Low level cloud: 93%
Mid level cloud: 81%
High level cloud: 20%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

SW
SW

4 / 4 mph 44 / 42°F 93% 1003 mb
Low level cloud: 100%
Mid level cloud: 91%
High level cloud: 92%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

SW
SW

3 / 4 mph 43 / 41°F 90% 1004 mb
Low level cloud: 88%
Mid level cloud: 54%
High level cloud: 44%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

SW
SW

3 / 5 mph 41 / 39°F 90% 1004 mb
Low level cloud: 73%
Mid level cloud: 23%
High level cloud: 22%
Most Significant Cloud Type: low
83%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Fri 30
Jan
01:00

SW
SW

2 / 4 mph 38 / 37°F 93% 1004 mb
Low level cloud: 20%
Mid level cloud: 41%
High level cloud: 3%
Most Significant Cloud Type: low
34%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

S
S

1 / 2 mph 37 / 37°F 94% 1004 mb
Low level cloud: 37%
Mid level cloud: 55%
High level cloud: 0%
Most Significant Cloud Type: low
56%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

ENE
ENE

1 / 2 mph 36 / 36°F 94% 1004 mb
Low level cloud: 72%
Mid level cloud: 45%
High level cloud: 7%
Most Significant Cloud Type: low
88%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

NE
NE

2 / 3 mph 39 / 38°F 87% 1004 mb
Low level cloud: 98%
Mid level cloud: 43%
High level cloud: 15%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

ENE
ENE

2 / 3 mph 41 / 41°F 82% 1004 mb
Low level cloud: 91%
Mid level cloud: 29%
High level cloud: 18%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

ENE
ENE

2 / 4 mph 42 / 41°F 83% 1006 mb
Low level cloud: 77%
Mid level cloud: 23%
High level cloud: 36%
Most Significant Cloud Type: low
89%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

ENE
ENE

2 / 3 mph 41 / 40°F 89% 1007 mb
Low level cloud: 24%
Mid level cloud: 25%
High level cloud: 100%
Most Significant Cloud Type: low
44%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

ESE
ESE

2 / 2 mph 39 / 39°F 91% 1008 mb
Low level cloud: 23%
Mid level cloud: 90%
High level cloud: 40%
Most Significant Cloud Type: medium
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
DayLocal TimeDirSpeed/
Gust
Temp/
Feels Like
HumidityPressureCloud AmountPrecip AmountWeather
Sat 31
Jan
01:00

N
N

3 / 4 mph 39 / 37°F 88% 1014 mb
Low level cloud: 0%
Mid level cloud: 100%
High level cloud: 33%
Most Significant Cloud Type: medium
100%
0.0 In
07:00

W
W

3 / 6 mph 39 / 37°F 94% 1025 mb
Low level cloud: 64%
Mid level cloud: 5%
High level cloud: 0%
Most Significant Cloud Type: low
65%
0.0 In
13:00

WSW
WSW

5 / 6 mph 46 / 44°F 73% 1016 mb
Low level cloud: 46%
Mid level cloud: 8%
High level cloud: 1%
Most Significant Cloud Type: low
48%
0.0 In
19:00

SSE
SSE

2 / 2 mph 50 / 51°F 82% 1016 mb
Low level cloud: 11%
Mid level cloud: 6%
High level cloud: 0%
Most Significant Cloud Type: low
12%
0.0 In
Sun 01
Feb
01:00

NW
NW

1 / 2 mph 43 / 43°F 97% 1005 mb
Low level cloud: 89%
Mid level cloud: 78%
High level cloud: 100%
Most Significant Cloud Type: low
100%
0.0 In
07:00

SSW
SSW

3 / 4 mph 41 / 40°F 94% 1003 mb
Low level cloud: 11%
Mid level cloud: 8%
High level cloud: 36%
Most Significant Cloud Type: low
17%
0.0 In
13:00

ENE
ENE

5 / 6 mph 43 / 40°F 84% 1000 mb
Low level cloud: 89%
Mid level cloud: 84%
High level cloud: 100%
Most Significant Cloud Type: low
100%
0.0 In
19:00

NNE
NNE

6 / 8 mph 36 / 31°F 98% 1005 mb
Low level cloud: 96%
Mid level cloud: 97%
High level cloud: 42%
Most Significant Cloud Type: low
100%
0.0 In
Mon 02
Feb
01:00

N
N

2 / 3 mph 36 / 34°F 86% 1006 mb
Low level cloud: 85%
Mid level cloud: 98%
High level cloud: 3%
Most Significant Cloud Type: low
100%
0.0 In
07:00

WNW
WNW

3 / 4 mph 35 / 33°F 94% 1009 mb
Low level cloud: 22%
Mid level cloud: 25%
High level cloud: 33%
Most Significant Cloud Type: low
34%
0.0 In
13:00

SSW
SSW

5 / 7 mph 39 / 35°F 77% 1005 mb
Low level cloud: 95%
Mid level cloud: 5%
High level cloud: 17%
Most Significant Cloud Type: low
98%
0.0 In
19:00

WNW
WNW

2 / 2 mph 41 / 41°F 85% 1011 mb
Low level cloud: 17%
Mid level cloud: 29%
High level cloud: 0%
Most Significant Cloud Type: low
26%
0.0 In
Tue 03
Feb
01:00

SW
SW

5 / 8 mph 41 / 37°F 93% 1009 mb
Low level cloud: 77%
Mid level cloud: 65%
High level cloud: 100%
Most Significant Cloud Type: low
100%
0.0 In
07:00

WNW
WNW

1 / 1 mph 33 / 33°F 94% 1013 mb
Low level cloud: 32%
Mid level cloud: 25%
High level cloud: 100%
Most Significant Cloud Type: low
52%
0.0 In
13:00

WSW
WSW

2 / 4 mph 45 / 45°F 92% 1009 mb
Low level cloud: 84%
Mid level cloud: 59%
High level cloud: 73%
Most Significant Cloud Type: low
100%
0.0 In
19:00

NNE
NNE

1 / 2 mph 40 / 40°F 83% 1012 mb
Low level cloud: 8%
Mid level cloud: 52%
High level cloud: 92%
Most Significant Cloud Type: medium
78%
0.0 In
Wed 04
Feb
01:00

S
S

3 / 7 mph 47 / 46°F 94% 1007 mb
Low level cloud: 10%
Mid level cloud: 12%
High level cloud: 84%
Most Significant Cloud Type: medium
42%
0.0 In
07:00

ENE
ENE

1 / 1 mph 40 / 40°F 86% 1009 mb
Low level cloud: 34%
Mid level cloud: 47%
High level cloud: 11%
Most Significant Cloud Type: low
51%
0.0 In
13:00

SW
SW

13 / 18 mph 61 / 61°F 60% 1001 mb
Low level cloud: 0%
Mid level cloud: 22%
High level cloud: 100%
Most Significant Cloud Type: medium
25%
0.0 In
19:00

NNW
NNW

1 / 1 mph 44 / 44°F 85% 1006 mb
Low level cloud: 55%
Mid level cloud: 27%
High level cloud: 100%
Most Significant Cloud Type: low
76%
0.0 In
Thu 05
Feb
01:00

SW
SW

7 / 13 mph 47 / 43°F 80% 1002 mb
Low level cloud: 0%
Mid level cloud: 6%
High level cloud: 100%
Most Significant Cloud Type: medium
9%
0.3 In
07:00

ENE
ENE

1 / 2 mph 40 / 40°F 96% 1001 mb
Low level cloud: 95%
Mid level cloud: 63%
High level cloud: 100%
Most Significant Cloud Type: low
100%
0.1 In
13:00

SW
SW

11 / 13 mph 56 / 53°F 61% 1002 mb
Low level cloud: 0%
Mid level cloud: 30%
High level cloud: 17%
Most Significant Cloud Type: medium
30%
0.0 In
19:00

NE
NE

4 / 4 mph 43 / 41°F 96% 999 mb
Low level cloud: 100%
Mid level cloud: 83%
High level cloud: 29%
Most Significant Cloud Type: low
100%
0.1 In
Fri 06
Feb
01:00

SSW
SSW

5 / 10 mph 45 / 42°F 85% 1003 mb
Low level cloud: 0%
Mid level cloud: 16%
High level cloud: 0%
Most Significant Cloud Type: medium
15%
0.0 In
07:00

N
N

6 / 11 mph 36 / 31°F 94% 996 mb
Low level cloud: 100%
Mid level cloud: 100%
High level cloud: 100%
Most Significant Cloud Type: low
100%
0.2 In
13:00

SSW
SSW

2 / 3 mph 57 / 58°F 60% 1004 mb
Low level cloud: 0%
Mid level cloud: 17%
High level cloud: 4%
Most Significant Cloud Type: medium
16%
0.0 In
19:00

N
N

7 / 8 mph 39 / 34°F 98% 1001 mb
Low level cloud: 95%
Mid level cloud: 100%
High level cloud: 100%
Most Significant Cloud Type: low
100%
0.6 In
Sat 07
Feb
01:00

N
N

4 / 6 mph 46 / 44°F 87% 1002 mb
Low level cloud: 10%
Mid level cloud: 97%
High level cloud: 100%
Most Significant Cloud Type: medium
100%
0.0 In
07:00

WNW
WNW

3 / 5 mph 34 / 31°F 95% 1006 mb
Low level cloud: 74%
Mid level cloud: 39%
High level cloud: 2%
Most Significant Cloud Type: low
88%
0.1 In
13:00

NW
NW

1 / 1 mph 48 / 48°F 80% 1003 mb
Low level cloud: 97%
Mid level cloud: 100%
High level cloud: 15%
Most Significant Cloud Type: low
100%
0.0 In
19:00

WNW
WNW

1 / 1 mph 39 / 39°F 82% 1006 mb
Low level cloud: 52%
Mid level cloud: 57%
High level cloud: 41%
Most Significant Cloud Type: low
76%
0.0 In
Sun 08
Feb
01:00

SW
SW

5 / 8 mph 41 / 38°F 85% 1007 mb
Low level cloud: 3%
Mid level cloud: 22%
High level cloud: 0%
Most Significant Cloud Type: medium
30%
0.1 In
07:00

E
E

1 / 2 mph 34 / 34°F 91% 1006 mb
Low level cloud: 66%
Mid level cloud: 27%
High level cloud: 83%
Most Significant Cloud Type: low
85%
0.0 In
13:00

SSW
SSW

4 / 6 mph 49 / 48°F 69% 1004 mb
Low level cloud: 14%
Mid level cloud: 99%
High level cloud: 100%
Most Significant Cloud Type: medium
100%
0.0 In
19:00

SW
SW

3 / 4 mph 38 / 36°F 91% 1004 mb
Low level cloud: 51%
Mid level cloud: 51%
High level cloud: 0%
Most Significant Cloud Type: low
68%
0.0 In

Other Locations Near to Sesvete

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