Saint Clair County, MI Weather Forecast
County weather hub
Mostly Sunny
Compare major city weather across Saint Clair County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
Mostly sunny, with a high near 83. Southwest wind 3 to 8 mph.
County Weather Overview
This county weather page brings together forecast coverage for Saint Clair County so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.
Current forecast coverage spans 7 of 7 mapped cities in Saint Clair County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- May 26 to May 30, 2026
- Latest sync
- May 24, 2026 3:03 PM EDT
- Forecast office
- DTX
- Source
- NOAA / NWS
Daily Outlook
This Week in Saint Clair County
Tuesday looks like the warmest upcoming period in Saint Clair County at 83 degrees F.
Thursday Night is the coolest period ahead with temperatures near 49 degrees F.
The strongest winds are forecast for Thursday at about 6 to 12 mph NNE.
Precipitation is mentioned in 2 upcoming forecast periods.
Forecast Details
- Last updated
- May 24, 2026 3:03 PM EDT
- Coverage
- 5 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
Partly cloudy, with a low around 58.
A slight chance of rain showers after 2pm. Partly sunny, with a high near 81.
A slight chance of rain showers before 8pm. Partly cloudy, with a low around 53.
Mostly sunny, with a high near 72.
Mostly clear, with a low around 49.
Sunny, with a high near 70.
Mostly clear, with a low around 49.
Sunny, with a high near 71.
Mostly clear, with a low around 50.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
May 26
|
Mostly Sunny
|
83°F |
3 to 8 mph
SW
|
|
Tuesday Night
May 26
|
Partly Cloudy
|
58°F |
3 to 7 mph
WSW
|
|
Wednesday
May 27
|
Partly Sunny then Slight Chance Rain Showers
|
81°F |
3 to 9 mph
N
|
|
Wednesday Night
May 27
|
Slight Chance Rain Showers then Partly Cloudy
|
53°F |
6 to 9 mph
NNE
|
|
Thursday
May 28
|
Mostly Sunny
|
72°F |
6 to 12 mph
NNE
|
|
Thursday Night
May 28
|
Mostly Clear
|
49°F |
1 to 10 mph
N
|
|
Friday
May 29
|
Sunny
|
70°F |
2 to 9 mph
N
|
|
Friday Night
May 29
|
Mostly Clear
|
49°F |
3 to 9 mph
NNE
|
|
Saturday
May 30
|
Sunny
|
71°F |
5 to 12 mph
NNE
|
|
Saturday Night
May 30
|
Mostly Clear
|
50°F |
3 to 12 mph
NNE
|
Major City Forecasts
Live forecast snapshots for major cities across Saint Clair County.
Coverage
Forecast coverage currently spans 7 of 7 mapped cities in Saint Clair County.
Largest mapped city population in this region: 28,631.