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.

Overcast

55°F

13°C

Humidity 77%
Wind Speed Calm
Barometer 30.16 in
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 19 Sep 5:55 am EDT
Extended Forecast for

Marine City MI

  • Today

    Today: A chance of showers, with thunderstorms also possible after 5pm. Cloudy, with a high near 68. Southeast wind 5 to 8 mph. Chance of precipitation is 50%.

    High: 68 °F

    Chance
    Showers

  • Tonight

    Tonight: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Patchy fog after 3am. Low around 56. East wind around 6 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 56 °F

    Chance
    T-storms then
    Showers and
    Patchy Fog

  • Sunday

    Sunday: Showers likely, mainly between 10am and 1pm. Patchy fog before 7am. Otherwise, mostly cloudy, with a high near 69. North northeast wind 7 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

    High: 69 °F

    Showers
    Likely and
    Patchy Fog

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 48. Northeast wind 8 to 11 mph, with gusts as high as 23 mph.

    Low: 48 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 65. Northeast wind around 10 mph, with gusts as high as 20 mph.

    High: 65 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 46.

    Low: 46 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 65.

    High: 65 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A chance of showers after 2am. Mostly cloudy, with a low around 48.

    Low: 48 °F

    Mostly Cloudy
    then Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers. Mostly cloudy, with a high near 64.

    High: 64 °F

    Chance
    Showers

Detailed Forecast

Today
A chance of showers, with thunderstorms also possible after 5pm. Cloudy, with a high near 68. Southeast wind 5 to 8 mph. Chance of precipitation is 50%.
Tonight
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Patchy fog after 3am. Low around 56. East wind around 6 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Sunday
Showers likely, mainly between 10am and 1pm. Patchy fog before 7am. Otherwise, mostly cloudy, with a high near 69. North northeast wind 7 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Sunday Night
Mostly cloudy, with a low around 48. Northeast wind 8 to 11 mph, with gusts as high as 23 mph.
Monday
Partly sunny, with a high near 65. Northeast wind around 10 mph, with gusts as high as 20 mph.
Monday Night
Mostly cloudy, with a low around 46.
Tuesday
Partly sunny, with a high near 65.
Tuesday Night
A chance of showers after 2am. Mostly cloudy, with a low around 48.
Wednesday
A chance of showers. Mostly cloudy, with a high near 64.
Wednesday Night
A chance of showers before 2am. Mostly cloudy, with a low around 49.
Thursday
Partly sunny, with a high near 66.
Thursday Night
Mostly cloudy, with a low around 48.
Friday
Mostly sunny, with a high near 69.
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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 Sep 19, 2026
Forecast Valid:
6am EDT Sep 19, 2026-6pm EDT Sep 25, 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