Saint Clair, MI Weather Forecast
Local 7-day forecast
Slight Chance T-storms
Track current conditions, temperature changes, wind, and the full daily outlook for Saint Clair, MI in one place.
A slight chance of thunderstorms and a slight chance of rain before 1pm. Sunny, with a high near 81. Southwest wind 8 to 15 mph, with gusts as high as 26 mph. New rainfall amounts less than a tenth of an inch possible.
Local Weather Overview
This forecast page for Saint Clair, MI 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: Oct 12, 2026 4:47 AM EDT.
The active forecast window currently covers Oct 13 to Oct 18, 2026 for Saint Clair, MI.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Oct 13 to Oct 18, 2026
- Latest sync
- Oct 12, 2026 4:47 AM EDT
- Forecast office
- DTX
- Source
- NOAA / NWS
Daily Outlook
This Week in Saint Clair
Tuesday looks like the warmest upcoming period in Saint Clair at 81 degrees F.
Friday Night is the coolest period ahead with temperatures near 35 degrees F.
The strongest winds are forecast for Friday at about 8 to 20 mph WNW.
Precipitation is mentioned in 7 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 12, 2026 4:47 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
A chance of rain after 2am. Partly cloudy, with a low around 57. Northwest wind 1 to 12 mph, with gusts as high as 23 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
A chance of rain before 2pm. Mostly cloudy, with a high near 67. Chance of precipitation is 30%.
Mostly cloudy, with a low around 49.
A chance of rain after 8am. Mostly cloudy, with a high near 65.
Rain likely. Mostly cloudy, with a low around 49.
A chance of rain. Mostly cloudy, with a high near 60.
A slight chance of rain before 2am. Mostly cloudy, with a low around 35.
Mostly sunny, with a high near 51.
Mostly clear, with a low around 35.
Sunny, with a high near 58.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Oct 13
|
Slight Chance T-storms
|
81°F |
8 to 15 mph
SW
|
|
Tuesday Night
Oct 13
|
Partly Cloudy then Chance Light Rain
|
57°F |
1 to 12 mph
NW
|
|
Wednesday
Oct 14
|
Chance Light Rain
|
67°F |
1 to 8 mph
N
|
|
Wednesday Night
Oct 14
|
Mostly Cloudy
|
49°F |
3 to 8 mph
NNE
|
|
Thursday
Oct 15
|
Chance Light Rain
|
65°F |
3 to 7 mph
ENE
|
|
Thursday Night
Oct 15
|
Light Rain Likely
|
49°F |
1 to 6 mph
S
|
|
Friday
Oct 16
|
Chance Light Rain
|
60°F |
8 to 20 mph
WNW
|
|
Friday Night
Oct 16
|
Slight Chance Light Rain
|
35°F |
13 to 18 mph
NW
|
|
Saturday
Oct 17
|
Mostly Sunny
|
51°F |
8 to 14 mph
NW
|
|
Saturday Night
Oct 17
|
Mostly Clear
|
35°F |
2 to 7 mph
WSW
|
|
Sunday
Oct 18
|
Sunny
|
58°F |
5 to 15 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Saint Clair.