New York, NY 20° Los Angeles, CA 19° 🌤️ Chicago, IL 🌤️ Houston, TX Miami, FL 25° Phoenix, AZ 30° 🌤️ Seattle, WA 🌤️ Denver, CO 🌤️ Toronto, ON Vancouver, BC 14°
WeatherLiveMichiganGrand Blanc

Grand Blanc, MI Weather (48439)

ZIP codes: 48439 · 48480
Current WeatherGrand Blanc · 9:27 AM EDT
25° | 11°
14°C
Feels like 10°
Sunny
WindW 13 mph · Gusts 29 mph
Precip8% · –
Humidity75% · Dew point 10°
UV index7 High
Air Quality23 Good
Pressure29.97 inHg
Visibility6 mi
Sunrise / Sunset6:50 AM · 8:23 PM · 13h 33m

Weather map — Grand Blanc

Full radar →
Now
14°
8%
13 mph
10:00
16°
6%
17 mph
11:00
21°
4%
17 mph
12:00
23°
2%
17 mph
13:00
23°
2%
14 mph
14:00
24°
1%
11 mph
15:00
24°
2%
11 mph
16:00
25°
2%
13 mph
17:00
22°
11%
10 mph
18:00
22°
11%
12 mph
19:00
20°
12%
8 mph
20:00
21°
10%
5 mph
21:00
20°
16%
3 mph
22:00
20°
16%
2 mph
23:00
19°
8%
1 mph
00:00
18°
13%
0 mph
01:00
16°
10%
5 mph
02:00
15°
14%
6 mph
03:00
14°
14%
6 mph
04:00
14°
25%
5 mph
05:00
14°
20%
5 mph
06:00
13°
21%
5 mph
07:00
13°
25%
5 mph
08:00
14°
14%
3 mph

Today · Mon 8/24

High 25°
8% / –

Sunny. Winds W at 17 mph.

Tonight · Mon 8/24

Low 13°
16% / –

Mostly cloudy. Winds NE at 3 mph.

Tomorrow · Tue 8/25

26° | 13°
7% / –

Sunny. Winds S at 7 mph.

7-day trend

Grand Blanc · temperature + precipitation

10-day forecast

Updated 9:27 AM

Details & indices

Wind
13 mph W
Gusts 29 mph
Humidity
75%
Dew point 10°
Pressure
29.97 inHg
Rising
UV index
7 — High
High today
Air Quality
Good
AQI 23 · US EPA
Allergy
Very high
Mugwort
Visibility
6 mi
Clear view
Allergy — Grand Blanc

🌿 Conditions right now

View all →
Birch
None
Grass
None
Oak
None
Alder
None
Hazel
None
Mugwort
High
Ragweed
Moderate

Sun & moon

Sunrise6:50 AM
Sunset8:23 PM
Length of day13h 33m
Moonrise6:50 PM
Moonset2:50 AM
Next full moonAug 28 Sturgeon Moon
Latitude42.9275°N
Longitude-83.6299°E

Water temps nearby

View all →
No beaches within 50 miles
🌤️No rain expected in the next 90 minutes
Now+30+60+90 min
Minute-by-minute precip · HRRR nowcast

Daily planner

computed from today's forecast
Laundry day
Great
Line-drying weather
Grilling
Great
Fire up the grill
Running
Fair
Lace up outside
Patio
Great
Dinner outdoors
Nearby places in {{REGION}}
🌤️
Detroit
🌤️
Grand Rapids
Data sources · Monday, August 24
Where the Grand Blanc forecast comes from
This page blends NOAA/NWS model guidance with global ensembles for the 10-day outlook, air quality and alerts. Data refreshes every hour, current conditions every 15 minutes. Coordinates: 42.9275°N, -83.6299°.
NBM + global weather models
Updated: 9:27 AM
Weather in Grand Blanc
Over the next 10 days Grand Blanc tops out around 28° (Thursday) and dips to 11° on the coolest night (Monday). Roughly 1.6 in of rain falls over the period, with Wednesday the most likely wet day (92%). Wind is the one to watch: gusts to 31 mph around Monday. No watches or warnings are active for the area right now. Right now Grand Blanc is running about 45° warmer than Fort Wayne. Longer view: four full seasons with serious winter and real summer heat.
Grand Blanc, MI · Elev 840 ft · 42.93°N, 83.63°W · Michigan · Forecast computed for these exact coordinates
Powered by NWS/NOAA guidance, multi-model forecasts and official environmental feeds · NOAA/NWS · EPA AirNow · MET Norway · global models
Updated: 9:27 AM