Weather WorldSt Clair County, MI 7-Day Night Weather Forecast
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St Clair County, MI Weather Forecast
St Clair County, MI Weather Forecast Date: 301 AM EDT Sun Sep 06 2026
The area/counties/county of: St. Clair, including the city of Port Huron.or toggle through each period.
Today... Partly cloudy until late afternoon then clearing. Highs in the mid 70s. Northeast winds 5 to 15 mph.
Tonight... Mostly clear. Patchy fog after midnight. Lows in the mid 50s. Northeast winds up to 5 mph.
Labor Day... Mostly sunny. Highs in the mid 70s. East winds up to 5 mph.
Monday Night... Mostly clear in the evening, then becoming partly cloudy. Patchy fog. Lows in the mid 50s. Southeast winds up to 5 mph.
Tuesday... Partly cloudy in the morning, then becoming mostly 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. Chance of rain 30%.
Wednesday... Mostly cloudy. A chance of showers in the morning. Highs in the mid 80s. Chance of rain 50%.
Wednesday Night... Partly cloudy. Lows in the lower 60s.
Thursday... Partly cloudy. Highs in the mid 70s.
Thursday Night... Partly cloudy in the evening, then becoming mostly clear. Lows in the mid 50s.
Friday... Mostly sunny. Highs in the mid 70s.
Friday Night... Mostly clear. Lows in the mid 50s.
POP = Probability of Precipitation
St Clair County Radar Loop
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