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

St Clair County International Airport (KPHN)

Lat: 42.91°NLon: 82.53°WElev: 636ft.

Fair

68°F

20°C

Humidity 64%
Wind Speed SE 3 mph
Barometer 30.05 in
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 9 Jun 3:55 am EDT
Extended Forecast for

Marine City MI

  • Overnight

    Overnight: A chance of showers and thunderstorms. Mostly cloudy, with a steady temperature around 68. Light southeast wind. Chance of precipitation is 40%.

    Low: 68 °F

    Chance
    Showers

  • Tuesday

    Tuesday: Showers and thunderstorms, mainly before 11am, then showers and possibly a thunderstorm after 1pm. High near 83. South wind 7 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 90%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 83 °F

    Showers

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm before 7pm, then a chance of showers and thunderstorms between 7pm and 11pm. Mostly cloudy, with a low around 66. Southwest wind 5 to 8 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 66 °F

    Showers
    Likely then
    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 89. West wind 6 to 10 mph.

    High: 89 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 2am, then showers likely between 2am and 5am, then showers likely and possibly a thunderstorm after 5am. Partly cloudy, with a low around 69. Southwest wind 5 to 7 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 69 °F

    Chance
    T-storms then
    Showers
    Likely

  • Thursday

    Thursday: Showers likely and possibly a thunderstorm before 8am, then a chance of showers. Mostly sunny, with a high near 92. Chance of precipitation is 60%.

    High: 92 °F

    Showers
    Likely then
    Chance
    Showers

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm before 2am, then a chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 68. Chance of precipitation is 60%.

    Low: 68 °F

    Showers
    Likely

  • Friday

    Friday: A chance of showers before 8am. Mostly sunny, with a high near 85.

    High: 85 °F

    Chance
    Showers then
    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 60.

    Low: 60 °F

    Mostly Clear

Detailed Forecast

Overnight
A chance of showers and thunderstorms. Mostly cloudy, with a steady temperature around 68. Light southeast wind. Chance of precipitation is 40%.
Tuesday
Showers and thunderstorms, mainly before 11am, then showers and possibly a thunderstorm after 1pm. High near 83. South wind 7 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 90%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Showers likely and possibly a thunderstorm before 7pm, then a chance of showers and thunderstorms between 7pm and 11pm. Mostly cloudy, with a low around 66. Southwest wind 5 to 8 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
Mostly sunny, with a high near 89. West wind 6 to 10 mph.
Wednesday Night
A chance of showers and thunderstorms before 2am, then showers likely between 2am and 5am, then showers likely and possibly a thunderstorm after 5am. Partly cloudy, with a low around 69. Southwest wind 5 to 7 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
Showers likely and possibly a thunderstorm before 8am, then a chance of showers. Mostly sunny, with a high near 92. Chance of precipitation is 60%.
Thursday Night
Showers likely and possibly a thunderstorm before 2am, then a chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 68. Chance of precipitation is 60%.
Friday
A chance of showers before 8am. Mostly sunny, with a high near 85.
Friday Night
Mostly clear, with a low around 60.
Saturday
Sunny, with a high near 83.
Saturday Night
Partly cloudy, with a low around 57.
Sunday
A chance of showers. Mostly sunny, with a high near 77.
Sunday Night
A chance of showers. Partly cloudy, with a low around 53.
Monday
A chance of showers. Mostly sunny, with a high near 73.
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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:
3:13 am EDT Jun 9, 2026
Forecast Valid:
4am EDT Jun 9, 2026-6pm EDT Jun 15, 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