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Grand Blanc Weather Forecast

Temperature, wind, rain and more for Grand Blanc

Michigan, United States Of America

DayLocal TimeDirSpeed/
Gust		Temp/
Feels Like		HumidityPressureCloud AmountPrecip AmountWeather
Tue 16
Dec		07:00

S
S

 7 / 14 mph 10 / 0°F 94% 1020 mb
Low level cloud: 9%
Mid level cloud: 4%
High level cloud: 76%
Most Significant Cloud Type: medium
30%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

S
S

 11 / 17 mph 19 / 7°F 87% 1019 mb
Low level cloud: 0%
Mid level cloud: 1%
High level cloud: 100%
Most Significant Cloud Type: high
99%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

SSW
SSW

 14 / 18 mph 27 / 16°F 85% 1014 mb
Low level cloud: 0%
Mid level cloud: 3%
High level cloud: 14%
Most Significant Cloud Type: medium
3%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

SSW
SSW

 15 / 23 mph 31 / 20°F 85% 1011 mb
Low level cloud: 3%
Mid level cloud: 13%
High level cloud: 1%
Most Significant Cloud Type: medium
20%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

SSW
SSW

 16 / 27 mph 30 / 18°F 86% 1011 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
22:00

SW
SW

 19 / 30 mph 32 / 20°F 87% 1009 mb
Low level cloud: 23%
Mid level cloud: 7%
High level cloud: 7%
Most Significant Cloud Type: low
26%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Wed 17
Dec		01:00

SW
SW

 19 / 30 mph 35 / 24°F 89% 1007 mb
Low level cloud: 26%
Mid level cloud: 71%
High level cloud: 100%
Most Significant Cloud Type: low
63%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

WSW
WSW

 18 / 28 mph 35 / 25°F 93% 1007 mb
Low level cloud: 81%
Mid level cloud: 11%
High level cloud: 100%
Most Significant Cloud Type: low
96%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

WSW
WSW

 15 / 24 mph 34 / 24°F 99% 1009 mb
Low level cloud: 100%
Mid level cloud: 43%
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

W
W

 14 / 22 mph 35 / 25°F 87% 1012 mb
Low level cloud: 60%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
60%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

W
W

 13 / 17 mph 33 / 23°F 95% 1015 mb
Low level cloud: 80%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
79%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

W
W

 5 / 8 mph 31 / 26°F 93% 1017 mb
Low level cloud: 33%
Mid level cloud: 0%
High level cloud: 10%
Most Significant Cloud Type: low
33%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

S
S

 5 / 10 mph 25 / 19°F 96% 1019 mb
Low level cloud: 25%
Mid level cloud: 3%
High level cloud: 89%
Most Significant Cloud Type: low
37%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

S
S

 10 / 19 mph 28 / 18°F 93% 1017 mb
Low level cloud: 36%
Mid level cloud: 43%
High level cloud: 80%
Most Significant Cloud Type: low
60%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
The 7 day weather forecast summary for Grand Blanc:

The outlook for Grand Blanc in the week ahead shows the average daytime maximum temperature will be around 1°C, with a high for the week of 7°C expected on the evening of Thursday 18th. The mean minimum temperature will be -5°C, dipping to its lowest on the morning of Tuesday 16th at -14°C. Expect the week ahead to have mixed overhead conditions with some days dry and some seeing a significant amount of rain or snow. The current forecast indicates Thursday 16th will have the most precipitation with an accumulation of around 9.0mm. On the whole winds are likely to be moderate.

The day label given represents the local day relative to the local time for the location you are looking at.
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Day

This time is corrected for local time zones and where possible for daylight saving times.
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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.
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Dir

This refers to the sustained average wind speed, normally averaged over a period of 10 minutes for up to 3 hrs.
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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.
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Temp/
Feels Like

The relative humidity is the percent of saturation humidity, generally calculated in relation to saturated vapour density.
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Humidity

The value given is a total predicted for the previous 3 hrs and includes the time of the forecast being looked at.
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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.
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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.
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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.
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Pressure