Weather WorldCasco, MI 7-Day Night Weather Forecast
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Casco, MI Weather Forecast
Casco, MI Weather Forecast Date: 243 PM EDT Fri Oct 30 2026
The area/counties/county of: St. Clair, including the city of Port Huron.or toggle through each period.
Tonight... Partly cloudy. Lows in the lower 30s. Northwest winds up to 5 mph, becoming northeast early in the morning.
Saturday... Partly cloudy in the morning, then becoming mostly cloudy. Highs in the upper 50s. South winds up to 5 mph.
Saturday Night... Mostly cloudy. Lows in the mid 40s. Southeast winds up to 5 mph.
Sunday... Mostly cloudy. Highs in the mid 60s. South winds up to 10 mph.
Sunday Night... Partly cloudy. Lows in the upper 40s. South winds up to 5 mph.
Monday... Partly cloudy in the morning, then becoming mostly cloudy. Highs in the mid 60s.
Monday Night... Mostly cloudy. A chance of rain after midnight. Lows in the lower 50s. Chance of rain 30%.
Tuesday... Mostly cloudy with a 30% chance of rain. Highs in the upper 60s.
Tuesday Night... Partly cloudy with a 30% chance of rain. Lows in the mid 50s.
Wednesday... Mostly cloudy with a 50% chance of rain. Highs in the upper 60s.
Wednesday Night... Mostly cloudy with a 50% chance of rain. Lows in the lower 50s.
Thursday... Mostly cloudy with a 50% chance of rain. Highs in the mid 60s.
Thursday Night... Mostly cloudy with a 50% chance of rain. Lows in the upper 40s.
POP = Probability of Precipitation
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