National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

St Clair County International Airport (KPHN)

Lat: 42.91°NLon: 82.53°WElev: 636ft.

Fog/Mist

52°F

11°C

Humidity 94%
Wind Speed Calm
Barometer 30.12 in
Dewpoint 50°F (10°C)
Visibility 2.50 mi
Last update 21 Aug 4:56 am EDT
Extended Forecast for

Marine City MI

  • Today

    Today: Sunny, with a high near 81. Calm wind becoming south southeast 5 to 8 mph in the afternoon.

    High: 81 °F

    Sunny

  • Tonight

    Tonight: A slight chance of showers and thunderstorms before 3am, then a slight chance of showers between 3am and 5am, then a chance of showers and thunderstorms after 5am. Mostly cloudy, with a low around 62. Southeast wind 3 to 6 mph. Chance of precipitation is 30%.

    Low: 62 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Saturday

    Saturday: A chance of showers, then showers and possibly a thunderstorm after 2pm. High near 78. Southwest wind 3 to 8 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 78 °F

    Chance
    Showers then
    Showers

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm before 8pm, then a chance of showers between 8pm and 2am. Low around 56. Northwest wind 5 to 7 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 56 °F

    Showers then
    Chance
    Showers

  • Sunday

    Sunday: A chance of showers after 2pm. Mostly sunny, with a high near 75. Northwest wind 10 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 30%.

    High: 75 °F

    Sunny then
    Chance
    Showers

  • Sunday Night

    Sunday Night: A chance of showers before 8pm. Partly cloudy, with a low around 53. Chance of precipitation is 30%.

    Low: 53 °F

    Chance
    Showers then
    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 75.

    High: 75 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 54.

    Low: 54 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 78.

    High: 78 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 81. Calm wind becoming south southeast 5 to 8 mph in the afternoon.
Tonight
A slight chance of showers and thunderstorms before 3am, then a slight chance of showers between 3am and 5am, then a chance of showers and thunderstorms after 5am. Mostly cloudy, with a low around 62. Southeast wind 3 to 6 mph. Chance of precipitation is 30%.
Saturday
A chance of showers, then showers and possibly a thunderstorm after 2pm. High near 78. Southwest wind 3 to 8 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Showers and possibly a thunderstorm before 8pm, then a chance of showers between 8pm and 2am. Low around 56. Northwest wind 5 to 7 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
A chance of showers after 2pm. Mostly sunny, with a high near 75. Northwest wind 10 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 30%.
Sunday Night
A chance of showers before 8pm. Partly cloudy, with a low around 53. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 75.
Monday Night
Mostly clear, with a low around 54.
Tuesday
Mostly sunny, with a high near 78.
Tuesday Night
Partly cloudy, with a low around 60.
Wednesday
Partly sunny, with a high near 80.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 61.
Thursday
A chance of showers. Mostly sunny, with a high near 81.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Marine City MI
 42.71°N 82.49°W (Elev. 581 ft)
Last Update:
4:24 am EDT Aug 21, 2026
Forecast Valid:
5am EDT Aug 21, 2026-6pm EDT Aug 27, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation