Weather WorldSt Clair County Intl, MI 7-Day Night Weather Forecast
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St Clair County Intl, MI Weather Forecast
St Clair County Intl, MI Weather Forecast Date: 328 AM EDT Wed Aug 19 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. Northwest winds 5 to 10 mph, becoming northeast in the late afternoon.
Tonight... Partly cloudy. Lows in the mid 50s. Northeast winds up to 5 mph.
Thursday... Partly cloudy in the morning then clearing. Highs in the upper 70s. Northeast winds up to 10 mph.
Thursday Night... Clear in the evening, then becoming partly cloudy. Lows in the upper 50s. East winds up to 5 mph.
Friday... Partly cloudy. Highs in the lower 80s. South winds up to 10 mph.
Friday Night... Partly cloudy with a 30% chance of showers. Lows around 60.
Saturday... Partly cloudy. A chance of showers in the morning, then showers and a chance of thunderstorms in the afternoon. Highs around 80. Chance of rain 80%.
Saturday Night... Partly cloudy in the evening then clearing. Lows in the mid 50s.
Sunday... Partly cloudy. A chance of showers in the afternoon. Highs in the upper 70s. Chance of rain 30%.
Sunday Night... Mostly clear. Lows in the mid 50s.
Monday... Mostly sunny in the morning, then becoming partly cloudy. Highs in the upper 70s.
Monday Night... Partly cloudy. Lows in the mid 50s.
POP = Probability of Precipitation
St Clair County Intl Radar Loop
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