Fast Forecast

WEATHER FOR BUSINESS

We supply weather data to businesses

Free Weather Plugin

Add this forecast to your website



Local Weather

Wanaka 14 Day Long Range Forecast

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

New Zealand

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

Taking a look at Wanaka over the coming two weeks and the average daytime maximum temperature will be around 9°C, with a high for the two weeks of 11°C expected on the afternoon of Wednesday 17th. The average minimum temperature will be 0°C, dipping to its lowest on the morning of Friday 19th at -3°C. The next 14 days will have some days seeing a little precipitation and some days with rain, sleet or snow. It looks like Wednesday 17th will have the most precipitation with an accumulation of around 57.0mm. On the whole winds are likely to be moderate.

DayLocal TimeDirSpeed/
Gust		Temp/
Feels Like		HumidityPressureCloud AmountPrecip AmountWeather
Mon 15
Sep		21:00

NW
NW

 7 / 12 mph 36 / 31°F 95% 1010 mb
Low level cloud: 63%
Mid level cloud: 46%
High level cloud: 33%
Most Significant Cloud Type: low
83%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Tue 16
Sep		00:00

WNW
WNW

 5 / 10 mph 37 / 32°F 95% 1011 mb
Low level cloud: 71%
Mid level cloud: 50%
High level cloud: 4%
Most Significant Cloud Type: low
88%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
03:00

WNW
WNW

 5 / 10 mph 37 / 32°F 96% 1012 mb
Low level cloud: 41%
Mid level cloud: 11%
High level cloud: 0%
Most Significant Cloud Type: low
45%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

WNW
WNW

 6 / 13 mph 35 / 29°F 93% 1014 mb
Low level cloud: 23%
Mid level cloud: 3%
High level cloud: 12%
Most Significant Cloud Type: low
26%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

NW
NW

 5 / 6 mph 44 / 40°F 86% 1015 mb
Low level cloud: 2%
Mid level cloud: 46%
High level cloud: 0%
Most Significant Cloud Type: medium
52%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

NNW
NNW

 8 / 9 mph 50 / 46°F 83% 1015 mb
Low level cloud: 63%
Mid level cloud: 44%
High level cloud: 0%
Most Significant Cloud Type: low
78%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

NNW
NNW

 9 / 10 mph 49 / 45°F 90% 1013 mb
Low level cloud: 50%
Mid level cloud: 46%
High level cloud: 100%
Most Significant Cloud Type: low
78%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

NW
NW

 9 / 15 mph 43 / 37°F 93% 1013 mb
Low level cloud: 34%
Mid level cloud: 18%
High level cloud: 16%
Most Significant Cloud Type: low
42%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

NNW
NNW

 7 / 15 mph 39 / 34°F 97% 1011 mb
Low level cloud: 64%
Mid level cloud: 37%
High level cloud: 57%
Most Significant Cloud Type: low
83%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Wed 17
Sep		00:00

NNW
NNW

 8 / 15 mph 41 / 36°F 96% 1008 mb
Low level cloud: 54%
Mid level cloud: 44%
High level cloud: 5%
Most Significant Cloud Type: low
70%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

NW
NW

 10 / 20 mph 42 / 37°F 92% 1004 mb
Low level cloud: 26%
Mid level cloud: 44%
High level cloud: 31%
Most Significant Cloud Type: low
45%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

NNW
NNW

 8 / 15 mph 43 / 38°F 98% 1003 mb
Low level cloud: 75%
Mid level cloud: 44%
High level cloud: 32%
Most Significant Cloud Type: low
94%
Expect 0.3 In of precipitation over the past 3 hours.
0.3 In
09:00

N
N

 7 / 13 mph 44 / 39°F 99% 1000 mb
Low level cloud: 86%
Mid level cloud: 62%
High level cloud: 73%
Most Significant Cloud Type: low
100%
Expect 0.7 In of precipitation over the past 3 hours.
0.7 In
12:00

W
W

 4 / 5 mph 49 / 48°F 97% 998 mb
Low level cloud: 64%
Mid level cloud: 70%
High level cloud: 95%
Most Significant Cloud Type: low
99%
Expect 0.9 In of precipitation over the past 3 hours.
0.9 In
15:00

NNW
NNW

 11 / 14 mph 52 / 48°F 81% 998 mb
Low level cloud: 3%
Mid level cloud: 69%
High level cloud: 100%
Most Significant Cloud Type: medium
82%
Expect 0.2 In of precipitation over the past 3 hours.
0.2 In
18:00

NNW
NNW

 9 / 15 mph 44 / 38°F 84% 1000 mb
Low level cloud: 0%
Mid level cloud: 18%
High level cloud: 0%
Most Significant Cloud Type: medium
17%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

NNW
NNW

 7 / 9 mph 40 / 35°F 96% 1001 mb
Low level cloud: 71%
Mid level cloud: 46%
High level cloud: 0%
Most Significant Cloud Type: low
87%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Thu 18
Sep		00:00

N
N

 7 / 9 mph 42 / 37°F 97% 1000 mb
Low level cloud: 93%
Mid level cloud: 71%
High level cloud: 0%
Most Significant Cloud Type: low
100%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
03:00

WNW
WNW

 6 / 7 mph 41 / 37°F 97% 1000 mb
Low level cloud: 86%
Mid level cloud: 46%
High level cloud: 0%
Most Significant Cloud Type: low
100%
Expect 0.2 In of precipitation over the past 3 hours.
0.2 In
06:00

NW
NW

 7 / 8 mph 39 / 34°F 92% 1001 mb
Low level cloud: 34%
Mid level cloud: 26%
High level cloud: 0%
Most Significant Cloud Type: low
43%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

WNW
WNW

 8 / 9 mph 45 / 40°F 78% 1002 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
12:00

WNW
WNW

 11 / 13 mph 48 / 43°F 57% 1002 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
15:00

W
W

 13 / 15 mph 48 / 42°F 52% 1004 mb
Low level cloud: 0%
Mid level cloud: 24%
High level cloud: 0%
Most Significant Cloud Type: medium
23%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

WSW
WSW

 9 / 11 mph 41 / 35°F 64% 1009 mb
Low level cloud: 0%
Mid level cloud: 12%
High level cloud: 0%
Most Significant Cloud Type: medium
12%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

WSW
WSW

 6 / 12 mph 31 / 25°F 73% 1015 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
Fri 19
Sep		00:00

WSW
WSW

 5 / 10 mph 29 / 23°F 76% 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
03:00

WSW
WSW

 4 / 8 mph 28 / 23°F 76% 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
06:00

NW
NW

 3 / 7 mph 28 / 24°F 70% 1021 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 18%
Most Significant Cloud Type: high
17%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

NNW
NNW

 4 / 4 mph 39 / 37°F 48% 1021 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 100%
Most Significant Cloud Type: high
99%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

NNW
NNW

 7 / 8 mph 49 / 46°F 37% 1019 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 100%
Most Significant Cloud Type: high
99%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

NNW
NNW

 9 / 11 mph 51 / 46°F 42% 1018 mb
Low level cloud: 0%
Mid level cloud: 13%
High level cloud: 15%
Most Significant Cloud Type: medium
13%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

NNW
NNW

 8 / 9 mph 43 / 37°F 70% 1019 mb
Low level cloud: 0%
Mid level cloud: 22%
High level cloud: 0%
Most Significant Cloud Type: medium
21%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

NNW
NNW

 7 / 14 mph 33 / 26°F 89% 1020 mb
Low level cloud: 11%
Mid level cloud: 25%
High level cloud: 1%
Most Significant Cloud Type: low
20%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Sat 20
Sep		00:00

NW
NW

 5 / 7 mph 36 / 31°F 92% 1020 mb
Low level cloud: 64%
Mid level cloud: 27%
High level cloud: 1%
Most Significant Cloud Type: low
73%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

NNW
NNW

 5 / 6 mph 36 / 32°F 95% 1020 mb
Low level cloud: 75%
Mid level cloud: 45%
High level cloud: 0%
Most Significant Cloud Type: low
91%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

NNW
NNW

 6 / 8 mph 36 / 31°F 94% 1019 mb
Low level cloud: 72%
Mid level cloud: 46%
High level cloud: 11%
Most Significant Cloud Type: low
89%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

N
N

 6 / 7 mph 42 / 37°F 94% 1018 mb
Low level cloud: 91%
Mid level cloud: 65%
High level cloud: 13%
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 43 / 38°F 94% 1015 mb
Low level cloud: 90%
Mid level cloud: 60%
High level cloud: 15%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

N
N

 11 / 12 mph 43 / 38°F 94% 1011 mb
Low level cloud: 87%
Mid level cloud: 74%
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

 10 / 11 mph 43 / 37°F 96% 1007 mb
Low level cloud: 66%
Mid level cloud: 44%
High level cloud: 37%
Most Significant Cloud Type: low
85%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

NNW
NNW

 10 / 16 mph 36 / 29°F 97% 1007 mb
Low level cloud: 69%
Mid level cloud: 32%
High level cloud: 92%
Most Significant Cloud Type: low
91%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
Sun 21
Sep		00:00

N
N

 7 / 8 mph 38 / 33°F 99% 1005 mb
Low level cloud: 88%
Mid level cloud: 43%
High level cloud: 100%
Most Significant Cloud Type: low
100%
Expect 0.5 In of precipitation over the past 3 hours.
0.5 In
03:00

NNW
NNW

 6 / 7 mph 37 / 33°F 98% 1007 mb
Low level cloud: 74%
Mid level cloud: 30%
High level cloud: 17%
Most Significant Cloud Type: low
86%
Expect 0.3 In of precipitation over the past 3 hours.
0.3 In
06:00

WNW
WNW

 5 / 11 mph 33 / 29°F 94% 1007 mb
Low level cloud: 32%
Mid level cloud: 6%
High level cloud: 0%
Most Significant Cloud Type: low
33%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

NNW
NNW

 6 / 7 mph 43 / 39°F 89% 1008 mb
Low level cloud: 19%
Mid level cloud: 12%
High level cloud: 6%
Most Significant Cloud Type: low
24%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

NNW
NNW

 9 / 10 mph 47 / 42°F 85% 1008 mb
Low level cloud: 51%
Mid level cloud: 24%
High level cloud: 10%
Most Significant Cloud Type: low
60%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

NNW
NNW

 10 / 11 mph 47 / 42°F 81% 1007 mb
Low level cloud: 55%
Mid level cloud: 30%
High level cloud: 10%
Most Significant Cloud Type: low
66%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

NW
NW

 9 / 10 mph 44 / 38°F 91% 1009 mb
Low level cloud: 49%
Mid level cloud: 26%
High level cloud: 16%
Most Significant Cloud Type: low
59%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

NNW
NNW

 9 / 13 mph 36 / 30°F 93% 1012 mb
Low level cloud: 40%
Mid level cloud: 21%
High level cloud: 8%
Most Significant Cloud Type: low
48%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
DayLocal TimeDirSpeed/
Gust		Temp/
Feels Like		HumidityPressureCloud AmountPrecip AmountWeather
Mon 22
Sep		00:00

WNW
WNW

 6 / 13 mph 35 / 29°F 86% 1013 mb
Low level cloud: 30%
Mid level cloud: 12%
High level cloud: 0%
Most Significant Cloud Type: low
34%
0.0 In
06:00

NW
NW

 4 / 9 mph 34 / 30°F 70% 1019 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.0 In
12:00

NNW
NNW

 7 / 13 mph 48 / 44°F 89% 1012 mb
Low level cloud: 50%
Mid level cloud: 28%
High level cloud: 1%
Most Significant Cloud Type: low
59%
0.0 In
18:00

NNW
NNW

 6 / 11 mph 50 / 48°F 94% 1005 mb
Low level cloud: 42%
Mid level cloud: 29%
High level cloud: 75%
Most Significant Cloud Type: low
61%
0.0 In
Tue 23
Sep		00:00

NNW
NNW

 7 / 15 mph 33 / 26°F 92% 1009 mb
Low level cloud: 20%
Mid level cloud: 20%
High level cloud: 0%
Most Significant Cloud Type: low
27%
0.0 In
06:00

NNW
NNW

 7 / 14 mph 32 / 25°F 91% 1012 mb
Low level cloud: 31%
Mid level cloud: 26%
High level cloud: 81%
Most Significant Cloud Type: low
49%
0.0 In
12:00

NNW
NNW

 9 / 17 mph 46 / 42°F 81% 1009 mb
Low level cloud: 7%
Mid level cloud: 22%
High level cloud: 18%
Most Significant Cloud Type: medium
41%
0.0 In
18:00

NNW
NNW

 6 / 11 mph 42 / 38°F 94% 1009 mb
Low level cloud: 45%
Mid level cloud: 25%
High level cloud: 31%
Most Significant Cloud Type: low
57%
0.0 In
Wed 24
Sep		00:00

NNW
NNW

 6 / 12 mph 35 / 29°F 96% 1004 mb
Low level cloud: 63%
Mid level cloud: 34%
High level cloud: 4%
Most Significant Cloud Type: low
75%
0.0 In
06:00

NW
NW

 9 / 17 mph 35 / 28°F 96% 1001 mb
Low level cloud: 54%
Mid level cloud: 26%
High level cloud: 93%
Most Significant Cloud Type: low
74%
0.2 In
12:00

NNW
NNW

 9 / 15 mph 46 / 42°F 71% 995 mb
Low level cloud: 0%
Mid level cloud: 16%
High level cloud: 0%
Most Significant Cloud Type: medium
16%
0.2 In
18:00

NNW
NNW

 6 / 10 mph 41 / 37°F 98% 996 mb
Low level cloud: 82%
Mid level cloud: 88%
High level cloud: 41%
Most Significant Cloud Type: low
100%
1.4 In
Thu 25
Sep		00:00

NNW
NNW

 9 / 15 mph 35 / 28°F 90% 991 mb
Low level cloud: 9%
Mid level cloud: 22%
High level cloud: 0%
Most Significant Cloud Type: low
17%
0.5 In
06:00

NNW
NNW

 5 / 9 mph 36 / 32°F 96% 996 mb
Low level cloud: 72%
Mid level cloud: 44%
High level cloud: 46%
Most Significant Cloud Type: low
92%
0.1 In
12:00

NNW
NNW

 10 / 18 mph 45 / 39°F 81% 993 mb
Low level cloud: 2%
Mid level cloud: 22%
High level cloud: 7%
Most Significant Cloud Type: medium
26%
0.1 In
18:00

WNW
WNW

 3 / 6 mph 42 / 41°F 88% 993 mb
Low level cloud: 19%
Mid level cloud: 14%
High level cloud: 0%
Most Significant Cloud Type: low
23%
0.3 In
Fri 26
Sep		00:00

N
N

 7 / 12 mph 37 / 32°F 99% 988 mb
Low level cloud: 92%
Mid level cloud: 62%
High level cloud: 90%
Most Significant Cloud Type: low
100%
0.4 In
06:00

WNW
WNW

 5 / 11 mph 21 / 14°F 87% 1000 mb
Low level cloud: 2%
Mid level cloud: 9%
High level cloud: 0%
Most Significant Cloud Type: medium
13%
0.1 In
12:00

E
E

 1 / 2 mph 39 / 39°F 99% 986 mb
Low level cloud: 91%
Mid level cloud: 44%
High level cloud: 100%
Most Significant Cloud Type: low
100%
0.6 In
18:00

NNW
NNW

 2 / 5 mph 37 / 36°F 97% 989 mb
Low level cloud: 81%
Mid level cloud: 44%
High level cloud: 67%
Most Significant Cloud Type: low
100%
0.2 In
Sat 27
Sep		00:00

W
W

 5 / 11 mph 25 / 18°F 92% 990 mb
Low level cloud: 22%
Mid level cloud: 26%
High level cloud: 0%
Most Significant Cloud Type: low
30%
0.1 In
06:00

W
W

 5 / 11 mph 28 / 22°F 92% 996 mb
Low level cloud: 18%
Mid level cloud: 25%
High level cloud: 0%
Most Significant Cloud Type: low
26%
0.3 In
12:00

NNW
NNW

 7 / 13 mph 41 / 36°F 70% 991 mb
Low level cloud: 0%
Mid level cloud: 45%
High level cloud: 0%
Most Significant Cloud Type: medium
45%
0.0 In
18:00

NNW
NNW

 9 / 17 mph 41 / 36°F 92% 1001 mb
Low level cloud: 23%
Mid level cloud: 44%
High level cloud: 96%
Most Significant Cloud Type: low
49%
0.0 In
Sun 28
Sep		00:00

NW
NW

 7 / 14 mph 31 / 24°F 95% 995 mb
Low level cloud: 54%
Mid level cloud: 45%
High level cloud: 0%
Most Significant Cloud Type: low
69%
0.1 In
06:00

NW
NW

 9 / 18 mph 36 / 29°F 97% 998 mb
Low level cloud: 61%
Mid level cloud: 29%
High level cloud: 27%
Most Significant Cloud Type: low
74%
0.5 In
12:00

WNW
WNW

 5 / 10 mph 41 / 38°F 91% 994 mb
Low level cloud: 6%
Mid level cloud: 12%
High level cloud: 0%
Most Significant Cloud Type: low
10%
0.5 In
18:00

NNW
NNW

 4 / 8 mph 38 / 36°F 99% 1001 mb
Low level cloud: 98%
Mid level cloud: 71%
High level cloud: 99%
Most Significant Cloud Type: low
100%
0.5 In
Mon 29
Sep		00:00

NW
NW

 7 / 14 mph 27 / 20°F 92% 990 mb
Low level cloud: 18%
Mid level cloud: 16%
High level cloud: 0%
Most Significant Cloud Type: low
23%
0.0 In
06:00

NNW
NNW

 8 / 17 mph 35 / 29°F 98% 986 mb
Low level cloud: 80%
Mid level cloud: 44%
High level cloud: 0%
Most Significant Cloud Type: low
95%
1.7 In
12:00

NW
NW

 25 / 53 mph 37 / 26°F 82% 975 mb
Low level cloud: 0%
Mid level cloud: 25%
High level cloud: 0%
Most Significant Cloud Type: medium
25%
0.9 In
18:00

SSE
SSE

 10 / 21 mph 38 / 31°F 98% 993 mb
Low level cloud: 84%
Mid level cloud: 51%
High level cloud: 33%
Most Significant Cloud Type: low
100%
0.2 In
Tue 30
Sep		00:00

W
W

 9 / 19 mph 22 / 12°F 81% 993 mb
Low level cloud: 0%
Mid level cloud: 39%
High level cloud: 0%
Most Significant Cloud Type: medium
38%
0.2 In
06:00

WSW
WSW

 4 / 9 mph 20 / 14°F 91% 1008 mb
Low level cloud: 16%
Mid level cloud: 2%
High level cloud: 17%
Most Significant Cloud Type: low
18%
0.1 In
12:00

SW
SW

 8 / 16 mph 38 / 32°F 59% 1010 mb
Low level cloud: 0%
Mid level cloud: 24%
High level cloud: 0%
Most Significant Cloud Type: medium
23%
0.0 In
18:00

NW
NW

 8 / 17 mph 37 / 31°F 81% 1002 mb
Low level cloud: 0%
Mid level cloud: 52%
High level cloud: 96%
Most Significant Cloud Type: medium
56%
0.0 In

Other Locations Near to Wanaka

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