St. Clair, MI 7-Day Night Weather Forecast
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St. Clair, MI Weather Forecast


St. Clair, MI Weather Forecast Date: 312 AM EDT Mon Sep 07 2026
The area/counties/county of: St. Clair, including the city of Port Huron.or toggle through each period.
Today... Partly cloudy. Highs in the upper 70s. East winds up to 10 mph.
Tonight... Partly cloudy. Lows in the mid 50s. Southeast winds up to 5 mph.
Tuesday... Partly cloudy. Highs in the lower 80s. South winds up to 10 mph.
Tuesday Night... Mostly cloudy. A chance of showers after midnight. Lows in the upper 60s. South winds 5 to 10 mph. Chance of rain 40%.
Wednesday... Showers in the morning, then showers likely in the afternoon. Highs in the lower 80s. Southwest winds 10 to 15 mph with gusts up to 30 mph. Chance of rain 80%.
Wednesday Night... Mostly cloudy in the evening, then becoming partly cloudy. Lows in the lower 60s.
Thursday... Partly cloudy. Highs in the mid 70s.
Thursday Night... Mostly clear. Lows in the mid 50s.
Friday... Mostly sunny. Highs in the mid 70s.
Friday Night... Partly cloudy. Lows in the upper 50s.
Saturday... Partly cloudy. Highs in the lower 80s.
Saturday Night... Partly cloudy. Lows in the lower 60s.
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