7-Day Forecast 42.82°N 82.48°W (Text-Only)
NWS Forecast for: Saint Clair MI
Issued by: National Weather Service Detroit/Pontiac, MI
Last Update: 4:25 am EDT Aug 7, 2026




Today: A slight chance of showers, then a chance of showers and thunderstorms after 3pm. Mostly cloudy, with a high near 29. Light south wind becoming south southwest 8 to 13 km/h in the morning. Chance of precipitation is 30%.

Tonight: A chance of showers and thunderstorms before 4am, then a slight chance of showers between 4am and 5am. Increasing clouds, with a low around 19. South wind 5 to 10 km/h. Chance of precipitation is 40%.

Saturday: A chance of showers and thunderstorms before 4pm, then showers likely and possibly a thunderstorm between 4pm and 5pm. Partly sunny, with a high near 30. Southwest wind 10 to 16 km/h, with gusts as high as 32 km/h. Chance of precipitation is 60%. New rainfall amounts of less than 1 mm, except higher amounts possible in thunderstorms.

Saturday Night: Mostly clear, with a low around 16. North northwest wind 3 to 8 km/h.

Sunday: Mostly sunny, with a high near 29. Light southwest wind becoming south southwest 11 to 16 km/h in the morning. Winds could gust as high as 32 km/h.

Sunday Night: Showers likely, mainly after 2am. Mostly cloudy, with a low around 19. Chance of precipitation is 60%.

Monday: Showers likely before 8am, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 29. Chance of precipitation is 60%.

Monday Night: Showers and possibly a thunderstorm before 2am, then showers likely. Mostly cloudy, with a low around 18.

Tuesday: Showers likely, mainly before 8am. Mostly cloudy, with a high near 27.

Tuesday Night: A chance of showers before 2am. Mostly cloudy, with a low around 16.

Wednesday: A chance of showers. Mostly sunny, with a high near 27.

Wednesday Night: A chance of showers. Mostly cloudy, with a low around 16.

Thursday: Mostly sunny, with a high near 26.



Saint Clair MI
 42.82°N 82.48°W (Elev. 577 m)

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