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: 331 PM EST Mon Mar 02 2026
The area/counties/county of: St. Clair, including the city of Port Huron.or toggle through each period.
Tonight... Partly cloudy. Lows around 20. Southeast winds up to 5 mph.
Tuesday... Mostly cloudy. A chance of rain in the afternoon. Highs in the lower 40s. East winds up to 5 mph. Chance of rain 30%.
Tuesday Night... Partly cloudy. Lows in the mid 20s. Northwest winds up to 5 mph.
Wednesday... Partly cloudy. Highs in the upper 40s. Southeast winds up to 5 mph.
Wednesday Night... Mostly cloudy with a 50% chance of rain. Lows in the lower 30s. East winds up to 5 mph.
Thursday... Cloudy. A chance of rain in the morning, then rain in the afternoon. Highs in the upper 40s. Chance of rain 80%.
Thursday Night... Cloudy. Rain likely in the evening. Lows in the upper 30s. Chance of rain 60%.
Friday... Cloudy. A chance of rain in the afternoon. Highs in the mid 50s. Chance of rain 40%.
Friday Night... Rain. Near steady temperature in the lower 50s. Chance of rain 80%.
Saturday... Rain likely. Highs in the lower 60s. Chance of rain 70%.
Saturday Night... Mostly cloudy with a 30% chance of rain. Lows in the upper 30s.
Sunday... Mostly cloudy in the morning, then becoming partly cloudy. Highs in the mid 50s.
Sunday Night... Mostly clear. Lows around 40.
POP = Probability of Precipitation
St Clair County Radar Loop
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