WEATHER FOR BUSINESS

We supply weather data to businesses

Free Weather Plugin

Add this forecast to your website



Local Weather

Leysin 14 Day Long Range Forecast

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

Switzerland

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

The outlook for Leysin in the two weeks ahead shows 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 Sunday 28th. The mean minimum temperature will be -7°C, dipping to its lowest on the morning of Saturday 3rd at -14°C. Expect the coming 14 days to remain predominantly dry. On the whole winds are likely to be light.

DayLocal TimeDirSpeed/
Gust
Temp/
Feels Like
HumidityPressureCloud AmountPrecip AmountWeather
Wed 24
Dec
19:00

E
E

4 / 6 mph 25 / 21°F 90% 1010 mb
Low level cloud: 19%
Mid level cloud: 39%
High level cloud: 29%
Most Significant Cloud Type: low
36%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

ESE
ESE

4 / 9 mph 24 / 18°F 84% 1011 mb
Low level cloud: 0%
Mid level cloud: 14%
High level cloud: 11%
Most Significant Cloud Type: medium
14%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Thu 25
Dec
01:00

ESE
ESE

5 / 10 mph 23 / 17°F 82% 1013 mb
Low level cloud: 0%
Mid level cloud: 4%
High level cloud: 18%
Most Significant Cloud Type: medium
4%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

ESE
ESE

4 / 9 mph 24 / 18°F 81% 1015 mb
Low level cloud: 0%
Mid level cloud: 4%
High level cloud: 97%
Most Significant Cloud Type: medium
7%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

ESE
ESE

4 / 9 mph 24 / 18°F 83% 1017 mb
Low level cloud: 0%
Mid level cloud: 3%
High level cloud: 0%
Most Significant Cloud Type: medium
3%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

ESE
ESE

3 / 5 mph 31 / 28°F 73% 1018 mb
Low level cloud: 0%
Mid level cloud: 4%
High level cloud: 0%
Most Significant Cloud Type: medium
3%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

ESE
ESE

1 / 1 mph 40 / 40°F 64% 1016 mb
Low level cloud: 0%
Mid level cloud: 4%
High level cloud: 0%
Most Significant Cloud Type: medium
4%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

ESE
ESE

2 / 3 mph 34 / 33°F 84% 1018 mb
Low level cloud: 0%
Mid level cloud: 5%
High level cloud: 0%
Most Significant Cloud Type: medium
4%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

SE
SE

5 / 10 mph 25 / 19°F 87% 1021 mb
Low level cloud: 3%
Mid level cloud: 6%
High level cloud: 5%
Most Significant Cloud Type: low
5%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

ESE
ESE

5 / 11 mph 24 / 17°F 84% 1022 mb
Low level cloud: 0%
Mid level cloud: 4%
High level cloud: 10%
Most Significant Cloud Type: medium
4%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Fri 26
Dec
01:00

SE
SE

6 / 12 mph 23 / 16°F 82% 1022 mb
Low level cloud: 0%
Mid level cloud: 3%
High level cloud: 8%
Most Significant Cloud Type: medium
3%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

SE
SE

6 / 12 mph 24 / 17°F 83% 1023 mb
Low level cloud: 0%
Mid level cloud: 4%
High level cloud: 13%
Most Significant Cloud Type: medium
4%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

SE
SE

6 / 12 mph 24 / 17°F 83% 1024 mb
Low level cloud: 0%
Mid level cloud: 4%
High level cloud: 0%
Most Significant Cloud Type: medium
4%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

SE
SE

5 / 9 mph 32 / 27°F 72% 1024 mb
Low level cloud: 0%
Mid level cloud: 2%
High level cloud: 0%
Most Significant Cloud Type: medium
1%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

E
E

2 / 2 mph 42 / 42°F 61% 1021 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
16:00

E
E

2 / 3 mph 34 / 34°F 84% 1023 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
19:00

ESE
ESE

4 / 8 mph 27 / 22°F 87% 1024 mb
Low level cloud: 1%
Mid level cloud: 2%
High level cloud: 25%
Most Significant Cloud Type: medium
5%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

SE
SE

4 / 9 mph 25 / 20°F 83% 1025 mb
Low level cloud: 0%
Mid level cloud: 2%
High level cloud: 1%
Most Significant Cloud Type: medium
1%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Sat 27
Dec
01:00

SE
SE

5 / 11 mph 24 / 17°F 77% 1027 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
04:00

SE
SE

6 / 12 mph 23 / 16°F 74% 1027 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
07:00

SE
SE

5 / 11 mph 23 / 16°F 70% 1028 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
10:00

SE
SE

4 / 8 mph 31 / 27°F 59% 1028 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
13:00

ESE
ESE

1 / 1 mph 42 / 42°F 51% 1025 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
16:00

ESE
ESE

2 / 4 mph 35 / 34°F 74% 1025 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
19:00

SE
SE

4 / 9 mph 28 / 23°F 74% 1027 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
22:00

SE
SE

4 / 8 mph 25 / 20°F 69% 1028 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
Sun 28
Dec
01:00

ESE
ESE

4 / 8 mph 24 / 19°F 65% 1027 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
04:00

ESE
ESE

4 / 8 mph 24 / 18°F 63% 1026 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
07:00

ESE
ESE

4 / 8 mph 23 / 19°F 63% 1025 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
10:00

ESE
ESE

4 / 8 mph 31 / 27°F 55% 1023 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
13:00

ENE
ENE

2 / 3 mph 43 / 43°F 53% 1018 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
16:00

ENE
ENE

3 / 6 mph 35 / 33°F 79% 1018 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
19:00

ESE
ESE

5 / 10 mph 27 / 22°F 77% 1021 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
22:00

ESE
ESE

4 / 9 mph 25 / 19°F 72% 1022 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
Mon 29
Dec
01:00

SE
SE

4 / 8 mph 24 / 19°F 71% 1023 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
04:00

SE
SE

4 / 8 mph 23 / 18°F 70% 1024 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
07:00

SE
SE

4 / 8 mph 23 / 18°F 67% 1025 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
10:00

SSE
SSE

2 / 5 mph 31 / 29°F 58% 1025 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
13:00

WNW
WNW

2 / 2 mph 42 / 42°F 55% 1023 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
16:00

S
S

1 / 2 mph 35 / 35°F 79% 1023 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
19:00

SE
SE

4 / 8 mph 28 / 23°F 80% 1025 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
22:00

SE
SE

4 / 9 mph 25 / 20°F 75% 1026 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
Tue 30
Dec
01:00

ESE
ESE

4 / 8 mph 24 / 19°F 71% 1026 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
04:00

ESE
ESE

4 / 7 mph 23 / 19°F 67% 1025 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
07:00

ESE
ESE

4 / 8 mph 23 / 18°F 64% 1024 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
10:00

ESE
ESE

3 / 6 mph 31 / 28°F 55% 1023 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
13:00

N
N

2 / 3 mph 40 / 39°F 47% 1020 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
16:00

NNE
NNE

2 / 3 mph 34 / 34°F 73% 1021 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
19:00

ESE
ESE

4 / 8 mph 26 / 21°F 74% 1022 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
22:00

ESE
ESE

4 / 8 mph 23 / 18°F 66% 1022 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
DayLocal TimeDirSpeed/
Gust
Temp/
Feels Like
HumidityPressureCloud AmountPrecip AmountWeather
Wed 31
Dec
01:00

ESE
ESE

2 / 4 mph 27 / 25°F 64% 1024 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.0 In
07:00

E
E

2 / 3 mph 24 / 24°F 65% 1023 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.0 In
13:00

NW
NW

6 / 9 mph 22 / 14°F 67% 1020 mb
Low level cloud: 0%
Mid level cloud: 48%
High level cloud: 0%
Most Significant Cloud Type: medium
48%
0.0 In
19:00

NNW
NNW

5 / 7 mph 24 / 18°F 93% 1021 mb
Low level cloud: 39%
Mid level cloud: 50%
High level cloud: 0%
Most Significant Cloud Type: low
55%
0.0 In
Thu 01
Jan
01:00

WNW
WNW

2 / 2 mph 23 / 23°F 90% 1018 mb
Low level cloud: 33%
Mid level cloud: 62%
High level cloud: 0%
Most Significant Cloud Type: low
54%
0.0 In
07:00

WSW
WSW

5 / 9 mph 19 / 12°F 93% 1017 mb
Low level cloud: 56%
Mid level cloud: 100%
High level cloud: 100%
Most Significant Cloud Type: low
100%
0.0 In
13:00

NNW
NNW

7 / 10 mph 18 / 8°F 81% 1005 mb
Low level cloud: 1%
Mid level cloud: 72%
High level cloud: 0%
Most Significant Cloud Type: medium
75%
0.0 In
19:00

NNW
NNW

3 / 6 mph 18 / 13°F 96% 1003 mb
Low level cloud: 64%
Mid level cloud: 79%
High level cloud: 0%
Most Significant Cloud Type: low
91%
0.0 In
Fri 02
Jan
01:00

NNE
NNE

7 / 9 mph 18 / 8°F 91% 1005 mb
Low level cloud: 43%
Mid level cloud: 45%
High level cloud: 32%
Most Significant Cloud Type: low
62%
0.0 In
07:00

ESE
ESE

4 / 9 mph -1 / -10°F 92% 1007 mb
Low level cloud: 24%
Mid level cloud: 9%
High level cloud: 0%
Most Significant Cloud Type: low
26%
0.0 In
13:00

NNE
NNE

4 / 5 mph 24 / 20°F 57% 1011 mb
Low level cloud: 0%
Mid level cloud: 14%
High level cloud: 0%
Most Significant Cloud Type: medium
14%
0.0 In
19:00

E
E

3 / 6 mph 0 / -6°F 97% 1015 mb
Low level cloud: 63%
Mid level cloud: 19%
High level cloud: 0%
Most Significant Cloud Type: low
69%
0.0 In
Sat 03
Jan
01:00

SE
SE

2 / 3 mph 12 / 12°F 89% 1017 mb
Low level cloud: 12%
Mid level cloud: 70%
High level cloud: 0%
Most Significant Cloud Type: medium
100%
0.0 In
07:00

ESE
ESE

4 / 9 mph -3 / -13°F 94% 1021 mb
Low level cloud: 31%
Mid level cloud: 20%
High level cloud: 0%
Most Significant Cloud Type: low
38%
0.0 In
13:00

N
N

2 / 3 mph 29 / 27°F 45% 1015 mb
Low level cloud: 0%
Mid level cloud: 7%
High level cloud: 70%
Most Significant Cloud Type: medium
10%
0.0 In
19:00

E
E

5 / 10 mph 5 / -4°F 93% 1020 mb
Low level cloud: 27%
Mid level cloud: 44%
High level cloud: 7%
Most Significant Cloud Type: low
43%
0.0 In
Sun 04
Jan
01:00

ESE
ESE

2 / 5 mph 14 / 10°F 73% 1025 mb
Low level cloud: 0%
Mid level cloud: 6%
High level cloud: 0%
Most Significant Cloud Type: medium
5%
0.0 In
07:00

ESE
ESE

4 / 9 mph -2 / -12°F 92% 1025 mb
Low level cloud: 25%
Mid level cloud: 8%
High level cloud: 0%
Most Significant Cloud Type: low
27%
0.0 In
13:00

NNE
NNE

3 / 3 mph 33 / 31°F 67% 1024 mb
Low level cloud: 0%
Mid level cloud: 15%
High level cloud: 0%
Most Significant Cloud Type: medium
14%
0.0 In
19:00

ESE
ESE

4 / 8 mph -1 / -10°F 95% 1027 mb
Low level cloud: 41%
Mid level cloud: 7%
High level cloud: 0%
Most Significant Cloud Type: low
43%
0.0 In
Mon 05
Jan
01:00

ESE
ESE

4 / 9 mph 15 / 8°F 83% 1029 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 12%
Most Significant Cloud Type: high
12%
0.0 In
07:00

ESE
ESE

4 / 9 mph -2 / -12°F 86% 1030 mb
Low level cloud: 0%
Mid level cloud: 2%
High level cloud: 0%
Most Significant Cloud Type: medium
2%
0.0 In
13:00

NNW
NNW

1 / 2 mph 39 / 39°F 48% 1025 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.0 In
19:00

ESE
ESE

2 / 4 mph 7 / 3°F 95% 1031 mb
Low level cloud: 41%
Mid level cloud: 46%
High level cloud: 11%
Most Significant Cloud Type: low
58%
0.0 In
Tue 06
Jan
01:00

SE
SE

4 / 8 mph 19 / 14°F 82% 1033 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.0 In
07:00

SE
SE

3 / 7 mph 2 / -5°F 88% 1035 mb
Low level cloud: 3%
Mid level cloud: 15%
High level cloud: 33%
Most Significant Cloud Type: medium
25%
0.0 In
13:00

NNW
NNW

2 / 2 mph 38 / 38°F 54% 1031 mb
Low level cloud: 0%
Mid level cloud: 1%
High level cloud: 95%
Most Significant Cloud Type: high
94%
0.0 In
19:00

ESE
ESE

4 / 8 mph 6 / -1°F 94% 1036 mb
Low level cloud: 35%
Mid level cloud: 2%
High level cloud: 0%
Most Significant Cloud Type: low
35%
0.0 In
Wed 07
Jan
01:00

SE
SE

4 / 7 mph 21 / 16°F 86% 1038 mb
Low level cloud: 1%
Mid level cloud: 3%
High level cloud: 0%
Most Significant Cloud Type: low
2%
0.0 In
07:00

SE
SE

4 / 9 mph 6 / -3°F 83% 1039 mb
Low level cloud: 0%
Mid level cloud: 9%
High level cloud: 0%
Most Significant Cloud Type: medium
8%
0.0 In
13:00

NNE
NNE

2 / 3 mph 41 / 40°F 61% 1034 mb
Low level cloud: 0%
Mid level cloud: 4%
High level cloud: 0%
Most Significant Cloud Type: medium
3%
0.0 In
19:00

ESE
ESE

4 / 7 mph 17 / 11°F 95% 1037 mb
Low level cloud: 39%
Mid level cloud: 43%
High level cloud: 11%
Most Significant Cloud Type: low
55%
0.0 In
Thu 08
Jan
01:00

SE
SE

4 / 10 mph 24 / 18°F 78% 1037 mb
Low level cloud: 0%
Mid level cloud: 1%
High level cloud: 12%
Most Significant Cloud Type: high
12%
0.0 In
07:00

SE
SE

3 / 6 mph 11 / 5°F 94% 1039 mb
Low level cloud: 34%
Mid level cloud: 13%
High level cloud: 0%
Most Significant Cloud Type: low
38%
0.0 In
13:00

SSW
SSW

1 / 1 mph 42 / 42°F 58% 1035 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 58%
Most Significant Cloud Type: high
57%
0.0 In
19:00

WSW
WSW

3 / 5 mph 28 / 24°F 98% 1027 mb
Low level cloud: 77%
Mid level cloud: 55%
High level cloud: 14%
Most Significant Cloud Type: low
98%
0.4 In

Other Locations Near to Leysin

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