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

61°F

16°C

Humidity 88%
Wind Speed Calm
Barometer 30.05 in
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 7 Jul 1:15 am EDT
Extended Forecast for

Marine City MI

  • Overnight

    Overnight: Partly cloudy, with a steady temperature around 65. Light north northeast wind.

    Low: 65 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 85. North northeast wind 3 to 7 mph.

    High: 85 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 62. North northeast wind around 5 mph becoming calm in the evening.

    Low: 62 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 88. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 88 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 67. Light southwest wind.

    Low: 67 °F

    Partly Cloudy

  • Thursday

    Thursday: A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 88. Chance of precipitation is 50%.

    High: 88 °F

    Mostly Sunny
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then a chance of showers after 2am. Mostly cloudy, with a low around 64. Chance of precipitation is 70%.

    Low: 64 °F

    Showers
    Likely

  • Friday

    Friday: A chance of showers before 8am, then a chance of showers after 2pm. Partly sunny, with a high near 81.

    High: 81 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers before 8pm. Partly cloudy, with a low around 61.

    Low: 61 °F

    Chance
    Showers then
    Partly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a steady temperature around 65. Light north northeast wind.
Tuesday
Mostly sunny, with a high near 85. North northeast wind 3 to 7 mph.
Tuesday Night
Mostly clear, with a low around 62. North northeast wind around 5 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 88. Calm wind becoming southwest around 5 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 67. Light southwest wind.
Thursday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 88. Chance of precipitation is 50%.
Thursday Night
A chance of showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then a chance of showers after 2am. Mostly cloudy, with a low around 64. Chance of precipitation is 70%.
Friday
A chance of showers before 8am, then a chance of showers after 2pm. Partly sunny, with a high near 81.
Friday Night
A chance of showers before 8pm. Partly cloudy, with a low around 61.
Saturday
Mostly sunny, with a high near 84.
Saturday Night
Partly cloudy, with a low around 62.
Sunday
Mostly sunny, with a high near 85.
Sunday Night
Mostly clear, with a low around 64.
Monday
Sunny, with a high near 89.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Marine City MI
 42.73°N 82.49°W (Elev. 581 ft)
Last Update:
4:24 pm EDT Jul 6, 2026
Forecast Valid:
1am EDT Jul 7, 2026-6pm EDT Jul 13, 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