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City of Saint Clair, MISt. Clair, MI 7-Day Night Weather Forecast
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St. Clair, MI Weather Forecast
St. Clair, MI Weather Forecast Date: 324 PM EDT Sat Oct 31 2026
The area/counties/county of: St. Clair, including the city of Port Huron.or toggle through each period.
Early This Evening... Cloudy. South winds 5 to 10 mph.
Tonight... Mostly cloudy. Lows in the mid 40s. Southeast winds up to 10 mph.
Sunday... Mostly cloudy. Highs in the mid 60s. South winds 5 to 10 mph.
Sunday Night... Partly cloudy. Lows in the upper 40s. South winds up to 5 mph.
Monday... Mostly cloudy. Highs in the upper 60s. South winds up to 10 mph.
Monday Night... Mostly cloudy with a 40% chance of rain. Near steady temperature in the mid 50s. South winds 5 to 10 mph with gusts up to 20 mph.
Tuesday... Mostly cloudy. A chance of rain in the morning. Highs around 70. Chance of rain 30%.
Tuesday Night... Mostly cloudy with a 40% chance of rain. Lows in the upper 50s.
Wednesday... Rain likely. Highs in the upper 60s. Chance of rain 60%.
Wednesday Night... Mostly cloudy with a 50% chance of rain. Lows in the lower 50s.
Thursday... Mostly cloudy in the morning, then becoming partly cloudy. A 40% chance of rain. Highs in the mid 60s.
Thursday Night... Partly cloudy in the evening, then becoming mostly cloudy. A 30% chance of rain. Lows in the mid 40s.
Friday... Mostly cloudy with a 40% chance of rain. Highs in the lower 60s.
Friday Night... Mostly cloudy. Lows in the lower 40s.
POP = Probability of Precipitation
St. Clair Radar Loop
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