City of Grand Blanc Weather Forecast
Local 7-day forecast
Mostly Cloudy
Track current conditions, temperature changes, wind, and the full daily outlook for City of Grand Blanc in one place.
Mostly cloudy, with a high near 73. Northeast wind around 7 mph. New rainfall amounts less than a tenth of an inch possible.
Local Weather Overview
This forecast page for City of Grand Blanc is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Sep 15, 2026 7:25 AM EDT.
The active forecast window currently covers Sep 16 to Sep 21, 2026 for City of Grand Blanc.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Sep 16 to Sep 21, 2026
- Latest sync
- Sep 15, 2026 7:25 AM EDT
- Forecast office
- DTX
- Source
- NOAA / NWS
Daily Outlook
This Week in City of Grand Blanc
Thursday looks like the warmest upcoming period in City of Grand Blanc at 75 degrees F.
Sunday Night is the coolest period ahead with temperatures near 52 degrees F.
The strongest winds are forecast for Saturday at about 12 mph SSE.
Precipitation is mentioned in 9 upcoming forecast periods.
Forecast Details
- Last updated
- Sep 15, 2026 7:25 AM EDT
- Coverage
- 6 days
- Time zone
- America/Detroit
- Forecast office
- DTX
- Radar station
- KDTX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Rain showers likely between 8pm and 5am, then showers and thunderstorms likely. Mostly cloudy, with a low around 58. East wind 2 to 6 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.
Showers and thunderstorms likely before 2pm. Mostly cloudy, with a high near 75. Chance of precipitation is 60%.
Mostly cloudy, with a low around 55.
Partly sunny, with a high near 73.
A chance of rain showers after 2am. Mostly cloudy, with a low around 55.
A chance of rain showers before 2pm, then showers and thunderstorms likely. Mostly cloudy, with a high near 74.
Showers and thunderstorms. Mostly cloudy, with a low around 59.
Showers and thunderstorms likely before 2pm, then a slight chance of showers and thunderstorms. Mostly cloudy, with a high near 71.
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 52.
A slight chance of rain showers before 8am. Partly sunny, with a high near 68.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Sep 16
|
Mostly Cloudy
|
73°F |
7 mph
NE
|
|
Wednesday Night
Sep 16
|
Rain Showers Likely
|
58°F |
2 to 6 mph
E
|
|
Thursday
Sep 17
|
Showers And Thunderstorms Likely
|
75°F |
3 to 7 mph
N
|
|
Thursday Night
Sep 17
|
Mostly Cloudy
|
55°F |
6 mph
N
|
|
Friday
Sep 18
|
Partly Sunny
|
73°F |
5 to 8 mph
NE
|
|
Friday Night
Sep 18
|
Mostly Cloudy then Chance Rain Showers
|
55°F |
8 mph
E
|
|
Saturday
Sep 19
|
Showers And Thunderstorms Likely
|
74°F |
12 mph
SSE
|
|
Saturday Night
Sep 19
|
Showers And Thunderstorms
|
59°F |
12 mph
SW
|
|
Sunday
Sep 20
|
Showers And Thunderstorms Likely
|
71°F |
12 mph
N
|
|
Sunday Night
Sep 20
|
Slight Chance Showers And Thunderstorms
|
52°F |
6 to 12 mph
NE
|
|
Monday
Sep 21
|
Slight Chance Rain Showers then Partly Sunny
|
68°F |
7 to 12 mph
NE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around City of Grand Blanc.