Fast Forecast

WEATHER FOR BUSINESS

We supply weather data to businesses

Free Weather Plugin

Add this forecast to your website



Local Weather

Novi 14 Day Long Range Forecast

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

Michigan, United States Of America

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

Over the next 14 days the Novi forecast suggests the average daytime maximum temperature will be around 30°C, with a high for the two weeks of 32°C expected on the afternoon of Saturday 5th. The mean minimum temperature will be 20°C, dipping to its lowest on the morning of Monday 7th at 16°C. The coming 14 days will have some days seeing a little precipitation and some days with rain. It looks like Sunday 6th will have the most precipitation with an accumulation of around 15.0mm. On the whole winds are likely to be light.

DayLocal TimeDirSpeed/
Gust		Temp/
Feels Like		HumidityPressureCloud AmountPrecip AmountWeather
Fri 04
Jul		01:00

ESE
ESE

 6 / 8 mph 69 / 69°F 61% 1018 mb
Low level cloud: 0%
Mid level cloud: 8%
High level cloud: 0%
Most Significant Cloud Type: medium
7%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

ESE
ESE

 5 / 9 mph 65 / 65°F 61% 1019 mb
Low level cloud: 0%
Mid level cloud: 9%
High level cloud: 10%
Most Significant Cloud Type: medium
9%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

ESE
ESE

 4 / 7 mph 71 / 68°F 63% 1019 mb
Low level cloud: 0%
Mid level cloud: 6%
High level cloud: 0%
Most Significant Cloud Type: medium
5%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

S
S

 5 / 5 mph 83 / 82°F 57% 1019 mb
Low level cloud: 0%
Mid level cloud: 12%
High level cloud: 0%
Most Significant Cloud Type: medium
11%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

WSW
WSW

 9 / 13 mph 86 / 87°F 52% 1018 mb
Low level cloud: 0%
Mid level cloud: 27%
High level cloud: 0%
Most Significant Cloud Type: medium
26%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
16:00

WSW
WSW

 9 / 11 mph 88 / 89°F 48% 1017 mb
Low level cloud: 0%
Mid level cloud: 19%
High level cloud: 0%
Most Significant Cloud Type: medium
20%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

W
W

 6 / 9 mph 85 / 86°F 67% 1018 mb
Low level cloud: 0%
Mid level cloud: 21%
High level cloud: 6%
Most Significant Cloud Type: medium
20%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

SSW
SSW

 4 / 7 mph 75 / 79°F 86% 1017 mb
Low level cloud: 0%
Mid level cloud: 16%
High level cloud: 0%
Most Significant Cloud Type: medium
16%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
Sat 05
Jul		22:00

SW
SW

 6 / 12 mph 78 / 81°F 77% 1014 mb
Low level cloud: 0%
Mid level cloud: 12%
High level cloud: 0%
Most Significant Cloud Type: medium
11%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Sun 06
Jul		01:00

SW
SW

 8 / 15 mph 74 / 77°F 74% 1014 mb
Low level cloud: 0%
Mid level cloud: 20%
High level cloud: 0%
Most Significant Cloud Type: medium
20%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

SW
SW

 8 / 15 mph 72 / 76°F 76% 1013 mb
Low level cloud: 0%
Mid level cloud: 9%
High level cloud: 0%
Most Significant Cloud Type: medium
8%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

SW
SW

 10 / 15 mph 74 / 77°F 75% 1013 mb
Low level cloud: 16%
Mid level cloud: 61%
High level cloud: 0%
Most Significant Cloud Type: medium
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

WSW
WSW

 13 / 17 mph 82 / 84°F 73% 1013 mb
Low level cloud: 22%
Mid level cloud: 39%
High level cloud: 0%
Most Significant Cloud Type: low
35%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

WSW
WSW

 12 / 21 mph 82 / 87°F 72% 1012 mb
Low level cloud: 78%
Mid level cloud: 30%
High level cloud: 32%
Most Significant Cloud Type: low
91%
Expect 0.2 In of precipitation over the past 3 hours.
0.2 In
16:00

W
W

 9 / 18 mph 81 / 84°F 83% 1013 mb
Low level cloud: 26%
Mid level cloud: 29%
High level cloud: 98%
Most Significant Cloud Type: low
48%
Expect 0.2 In of precipitation over the past 3 hours.
0.2 In
19:00

WNW
WNW

 3 / 4 mph 79 / 80°F 93% 1013 mb
Low level cloud: 11%
Mid level cloud: 20%
High level cloud: 81%
Most Significant Cloud Type: low
27%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
22:00

NE
NE

 9 / 12 mph 68 / 68°F 95% 1015 mb
Low level cloud: 94%
Mid level cloud: 25%
High level cloud: 75%
Most Significant Cloud Type: low
100%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
Mon 07
Jul		01:00

NE
NE

 6 / 11 mph 64 / 64°F 94% 1016 mb
Low level cloud: 73%
Mid level cloud: 31%
High level cloud: 90%
Most Significant Cloud Type: low
94%
Expect 0.2 In of precipitation over the past 3 hours.
0.2 In
04:00

NNE
NNE

 5 / 7 mph 63 / 63°F 91% 1016 mb
Low level cloud: 54%
Mid level cloud: 82%
High level cloud: 1%
Most Significant Cloud Type: low
82%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

NNE
NNE

 4 / 6 mph 63 / 63°F 85% 1017 mb
Low level cloud: 18%
Mid level cloud: 52%
High level cloud: 11%
Most Significant Cloud Type: medium
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

NNE
NNE

 3 / 4 mph 69 / 67°F 75% 1018 mb
Low level cloud: 12%
Mid level cloud: 44%
High level cloud: 20%
Most Significant Cloud Type: medium
78%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

NNE
NNE

 2 / 3 mph 83 / 82°F 56% 1017 mb
Low level cloud: 12%
Mid level cloud: 6%
High level cloud: 0%
Most Significant Cloud Type: low
13%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

NW
NW

 4 / 5 mph 85 / 83°F 52% 1016 mb
Low level cloud: 30%
Mid level cloud: 6%
High level cloud: 0%
Most Significant Cloud Type: low
32%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

NE
NE

 6 / 8 mph 82 / 80°F 65% 1017 mb
Low level cloud: 48%
Mid level cloud: 8%
High level cloud: 0%
Most Significant Cloud Type: low
51%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

ENE
ENE

 5 / 6 mph 76 / 79°F 67% 1018 mb
Low level cloud: 2%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
1%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Tue 08
Jul		01:00

ENE
ENE

 4 / 6 mph 68 / 68°F 66% 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
04:00

ENE
ENE

 3 / 6 mph 64 / 64°F 61% 1017 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 98%
Most Significant Cloud Type: high
98%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

ESE
ESE

 2 / 2 mph 69 / 66°F 56% 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
10:00

WSW
WSW

 4 / 4 mph 79 / 78°F 50% 1018 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
13:00

WNW
WNW

 7 / 8 mph 86 / 83°F 46% 1017 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

WNW
WNW

 7 / 8 mph 86 / 86°F 48% 1016 mb
Low level cloud: 1%
Mid level cloud: 3%
High level cloud: 0%
Most Significant Cloud Type: medium
5%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

WSW
WSW

 2 / 2 mph 88 / 89°F 62% 1015 mb
Low level cloud: 5%
Mid level cloud: 5%
High level cloud: 0%
Most Significant Cloud Type: low
6%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

S
S

 2 / 4 mph 76 / 80°F 75% 1015 mb
Low level cloud: 56%
Mid level cloud: 11%
High level cloud: 0%
Most Significant Cloud Type: low
59%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Wed 09
Jul		01:00

NW
NW

 3 / 6 mph 73 / 77°F 87% 1016 mb
Low level cloud: 14%
Mid level cloud: 7%
High level cloud: 0%
Most Significant Cloud Type: low
16%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

NW
NW

 4 / 8 mph 70 / 70°F 84% 1015 mb
Low level cloud: 0%
Mid level cloud: 8%
High level cloud: 5%
Most Significant Cloud Type: medium
8%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

WNW
WNW

 2 / 4 mph 74 / 76°F 77% 1016 mb
Low level cloud: 0%
Mid level cloud: 6%
High level cloud: 5%
Most Significant Cloud Type: medium
5%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

SW
SW

 5 / 6 mph 83 / 82°F 57% 1016 mb
Low level cloud: 0%
Mid level cloud: 4%
High level cloud: 100%
Most Significant Cloud Type: medium
8%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

W
W

 6 / 7 mph 88 / 86°F 48% 1014 mb
Low level cloud: 0%
Mid level cloud: 10%
High level cloud: 87%
Most Significant Cloud Type: medium
13%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

W
W

 5 / 6 mph 87 / 87°F 52% 1014 mb
Low level cloud: 12%
Mid level cloud: 44%
High level cloud: 100%
Most Significant Cloud Type: medium
83%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

WSW
WSW

 6 / 10 mph 75 / 76°F 91% 1015 mb
Low level cloud: 0%
Mid level cloud: 43%
High level cloud: 100%
Most Significant Cloud Type: medium
47%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
22:00

ESE
ESE

 6 / 9 mph 71 / 71°F 88% 1014 mb
Low level cloud: 1%
Mid level cloud: 48%
High level cloud: 100%
Most Significant Cloud Type: medium
56%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Thu 10
Jul		01:00

S
S

 3 / 4 mph 70 / 70°F 88% 1013 mb
Low level cloud: 2%
Mid level cloud: 29%
High level cloud: 46%
Most Significant Cloud Type: medium
35%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

SSE
SSE

 3 / 4 mph 69 / 69°F 93% 1012 mb
Low level cloud: 31%
Mid level cloud: 43%
High level cloud: 91%
Most Significant Cloud Type: low
56%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

NNW
NNW

 1 / 1 mph 73 / 76°F 88% 1013 mb
Low level cloud: 51%
Mid level cloud: 43%
High level cloud: 93%
Most Significant Cloud Type: low
77%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

NNE
NNE

 3 / 4 mph 77 / 78°F 75% 1012 mb
Low level cloud: 68%
Mid level cloud: 31%
High level cloud: 100%
Most Significant Cloud Type: low
91%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

ESE
ESE

 4 / 4 mph 78 / 81°F 66% 1012 mb
Low level cloud: 75%
Mid level cloud: 45%
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

SW
SW

 1 / 1 mph 83 / 81°F 65% 1012 mb
Low level cloud: 29%
Mid level cloud: 40%
High level cloud: 22%
Most Significant Cloud Type: low
45%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

WNW
WNW

 3 / 4 mph 82 / 82°F 73% 1012 mb
Low level cloud: 4%
Mid level cloud: 34%
High level cloud: 1%
Most Significant Cloud Type: medium
46%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

SSE
SSE

 3 / 5 mph 75 / 79°F 85% 1013 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
DayLocal TimeDirSpeed/
Gust		Temp/
Feels Like		HumidityPressureCloud AmountPrecip AmountWeather
Fri 11
Jul		01:00

NE
NE

 4 / 8 mph 77 / 83°F 94% 1011 mb
Low level cloud: 5%
Mid level cloud: 7%
High level cloud: 0%
Most Significant Cloud Type: low
7%
0.0 In
07:00

NE
NE

 7 / 15 mph 70 / 70°F 68% 1018 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.0 In
13:00

SSE
SSE

 8 / 17 mph 86 / 87°F 41% 1014 mb
Low level cloud: 0%
Mid level cloud: 29%
High level cloud: 49%
Most Significant Cloud Type: medium
30%
0.0 In
19:00

W
W

 2 / 5 mph 88 / 94°F 53% 1015 mb
Low level cloud: 0%
Mid level cloud: 22%
High level cloud: 9%
Most Significant Cloud Type: medium
22%
0.0 In
Sat 12
Jul		01:00

ESE
ESE

 4 / 8 mph 77 / 80°F 81% 1018 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.0 In
07:00

WNW
WNW

 1 / 2 mph 78 / 81°F 67% 1014 mb
Low level cloud: 0%
Mid level cloud: 2%
High level cloud: 0%
Most Significant Cloud Type: medium
2%
0.0 In
13:00

WNW
WNW

 12 / 24 mph 77 / 80°F 67% 1014 mb
Low level cloud: 25%
Mid level cloud: 0%
High level cloud: 3%
Most Significant Cloud Type: low
25%
0.0 In
19:00

WNW
WNW

 12 / 26 mph 79 / 81°F 61% 1012 mb
Low level cloud: 0%
Mid level cloud: 3%
High level cloud: 0%
Most Significant Cloud Type: medium
3%
0.0 In
Sun 13
Jul		01:00

NW
NW

 8 / 16 mph 69 / 69°F 81% 1013 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.0 In
07:00

WNW
WNW

 8 / 16 mph 68 / 68°F 77% 1016 mb
Low level cloud: 0%
Mid level cloud: 5%
High level cloud: 0%
Most Significant Cloud Type: medium
5%
0.0 In
13:00

WNW
WNW

 7 / 15 mph 83 / 84°F 47% 1014 mb
Low level cloud: 1%
Mid level cloud: 2%
High level cloud: 0%
Most Significant Cloud Type: low
1%
0.0 In
19:00

WSW
WSW

 6 / 12 mph 85 / 89°F 59% 1015 mb
Low level cloud: 0%
Mid level cloud: 17%
High level cloud: 0%
Most Significant Cloud Type: medium
16%
0.0 In
Mon 14
Jul		01:00

W
W

 5 / 10 mph 76 / 79°F 73% 1015 mb
Low level cloud: 0%
Mid level cloud: 20%
High level cloud: 3%
Most Significant Cloud Type: medium
20%
0.0 In
07:00

W
W

 4 / 8 mph 74 / 77°F 69% 1017 mb
Low level cloud: 0%
Mid level cloud: 4%
High level cloud: 0%
Most Significant Cloud Type: medium
3%
0.0 In
13:00

SW
SW

 9 / 18 mph 87 / 89°F 47% 1014 mb
Low level cloud: 1%
Mid level cloud: 4%
High level cloud: 0%
Most Significant Cloud Type: medium
5%
0.0 In
19:00

SSW
SSW

 7 / 15 mph 84 / 89°F 62% 1014 mb
Low level cloud: 0%
Mid level cloud: 5%
High level cloud: 0%
Most Significant Cloud Type: medium
4%
0.0 In
Tue 15
Jul		01:00

SE
SE

 5 / 11 mph 80 / 87°F 84% 1012 mb
Low level cloud: 15%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
15%
0.0 In
07:00

NE
NE

 1 / 3 mph 80 / 84°F 78% 1015 mb
Low level cloud: 0%
Mid level cloud: 13%
High level cloud: 96%
Most Significant Cloud Type: medium
16%
0.0 In
13:00

SSW
SSW

 10 / 20 mph 91 / 101°F 56% 1011 mb
Low level cloud: 41%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
41%
0.0 In
19:00

E
E

 2 / 4 mph 88 / 98°F 66% 1013 mb
Low level cloud: 0%
Mid level cloud: 4%
High level cloud: 99%
Most Significant Cloud Type: medium
8%
0.0 In
Wed 16
Jul		01:00

SE
SE

 4 / 8 mph 83 / 97°F 93% 1011 mb
Low level cloud: 26%
Mid level cloud: 5%
High level cloud: 0%
Most Significant Cloud Type: low
27%
0.0 In
07:00

ENE
ENE

 3 / 6 mph 79 / 83°F 75% 1016 mb
Low level cloud: 0%
Mid level cloud: 14%
High level cloud: 0%
Most Significant Cloud Type: medium
14%
0.0 In
13:00

WNW
WNW

 12 / 26 mph 94 / 100°F 45% 1011 mb
Low level cloud: 0%
Mid level cloud: 6%
High level cloud: 0%
Most Significant Cloud Type: medium
5%
0.0 In
19:00

ENE
ENE

 11 / 23 mph 78 / 81°F 66% 1016 mb
Low level cloud: 0%
Mid level cloud: 13%
High level cloud: 6%
Most Significant Cloud Type: medium
13%
0.0 In
Thu 17
Jul		01:00

NNE
NNE

 7 / 15 mph 76 / 78°F 66% 1015 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.0 In
07:00

N
N

 6 / 12 mph 70 / 71°F 95% 1017 mb
Low level cloud: 37%
Mid level cloud: 49%
High level cloud: 29%
Most Significant Cloud Type: low
57%
0.1 In
13:00

N
N

 9 / 19 mph 83 / 83°F 42% 1018 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.0 In
19:00

ENE
ENE

 5 / 10 mph 85 / 99°F 86% 1015 mb
Low level cloud: 11%
Mid level cloud: 18%
High level cloud: 16%
Most Significant Cloud Type: low
19%
0.2 In
Fri 18
Jul		01:00

NNE
NNE

 5 / 11 mph 71 / 71°F 58% 1020 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.0 In
07:00

NNW
NNW

 4 / 8 mph 75 / 80°F 90% 1015 mb
Low level cloud: 44%
Mid level cloud: 18%
High level cloud: 5%
Most Significant Cloud Type: low
51%
0.0 In
13:00

NW
NW

 5 / 10 mph 89 / 88°F 33% 1019 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.0 In
19:00

E
E

 4 / 9 mph 87 / 100°F 73% 1013 mb
Low level cloud: 16%
Mid level cloud: 15%
High level cloud: 30%
Most Significant Cloud Type: low
25%
0.0 In
Sat 19
Jul		01:00

WSW
WSW

 6 / 13 mph 75 / 78°F 77% 1016 mb
Low level cloud: 0%
Mid level cloud: 5%
High level cloud: 9%
Most Significant Cloud Type: medium
4%
0.0 In
07:00

S
S

 4 / 9 mph 79 / 84°F 85% 1013 mb
Low level cloud: 7%
Mid level cloud: 45%
High level cloud: 43%
Most Significant Cloud Type: medium
65%
0.0 In
13:00

NW
NW

 7 / 15 mph 75 / 79°F 86% 1015 mb
Low level cloud: 96%
Mid level cloud: 76%
High level cloud: 0%
Most Significant Cloud Type: low
100%
0.0 In
19:00

WSW
WSW

 8 / 16 mph 86 / 100°F 80% 1010 mb
Low level cloud: 9%
Mid level cloud: 23%
High level cloud: 32%
Most Significant Cloud Type: low
21%
0.2 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