Mendon, MI 7-Day Night Weather Forecast
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Mendon, MI Weather Forecast


Mendon, MI Weather Forecast Date: 613 PM EDT Thu Sep 03 2026
The area/counties/county of: St. Joseph County Mi, including the cities of: Sturgis, Three Rivers, White Pigeon, and Mendon.or toggle through each period.
Tonight... Partly cloudy. A chance of showers and thunderstorms after midnight. Lows around 70. Southwest winds 5 to 10 mph, becoming southeast after midnight. Chance of rain 40%.
Friday... Mostly cloudy with a chance of showers and thunderstorms in the morning, then partly cloudy in the afternoon. Humid with highs in the upper 80s. South winds 5 to 10 mph, becoming west in the afternoon. Chance of rain 40%.
Friday Night... Partly cloudy with a chance of thunderstorms. A chance of showers in the evening, then showers likely after midnight. Humid with lows in the upper 60s. Northeast winds 5 to 10 mph. Chance of rain 60%.
Saturday... Partly cloudy with a slight chance of thunderstorms. Showers likely, mainly in the morning. Humid with highs in the lower 80s. Northeast winds 5 to 10 mph. Chance of rain 60%.
Saturday Night... Mostly clear. A slight chance of showers and thunderstorms in the evening. Lows in the upper 50s. East winds 5 to 10 mph. Chance of rain 20%.
Sunday... Mostly sunny. Highs around 80.
Sunday Night... Mostly clear. Lows in the upper 50s.
Labor Day... Mostly sunny. Highs in the lower 80s.
Monday Night... Mostly clear in the evening, then becoming partly cloudy. Lows around 60.
Tuesday... Partly cloudy. Highs in the lower 80s.
Tuesday Night... Partly cloudy in the evening, then mostly clear with a chance of showers after midnight. Lows in the upper 60s. Chance of rain 40%.
Wednesday... Mostly sunny in the morning, then becoming partly cloudy. A 40% chance of showers. Highs in the mid 80s.
Wednesday Night... Partly cloudy. A slight chance of showers in the evening, then a chance of showers after midnight. Lows in the upper 60s. Chance of rain 30%.
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