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

55°F

13°C

Humidity 47%
Wind Speed NW 12 G 22 mph
Barometer 29.98 in
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Wind Chill52°F (11°C)
Last update 14 May 10:35 am EDT
Extended Forecast for

Marine City MI

  • Today

    Today: Mostly sunny, with a high near 60. North wind 13 to 15 mph, with gusts as high as 23 mph.

    High: 60 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 40. North northeast wind 5 to 8 mph becoming calm in the evening.

    Low: 40 °F

    Mostly Clear

  • Friday

    Friday: Partly sunny, with a high near 68. Light and variable wind becoming south southwest 5 to 10 mph in the afternoon.

    High: 68 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 52. South southwest wind 7 to 9 mph.

    Low: 52 °F

    Partly Cloudy

  • Saturday

    Saturday: A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 80. South wind 8 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 50%.

    High: 80 °F

    Partly Sunny
    then Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms, then showers likely after 8pm. Mostly cloudy, with a low around 57. Chance of precipitation is 60%.

    Low: 57 °F

    Showers
    Likely

  • Sunday

    Sunday: A chance of showers before 8am. Mostly sunny, with a high near 77. Chance of precipitation is 30%.

    High: 77 °F

    Chance
    Showers then
    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 57.

    Low: 57 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 88.

    High: 88 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 60. North wind 13 to 15 mph, with gusts as high as 23 mph.
Tonight
Mostly clear, with a low around 40. North northeast wind 5 to 8 mph becoming calm in the evening.
Friday
Partly sunny, with a high near 68. Light and variable wind becoming south southwest 5 to 10 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 52. South southwest wind 7 to 9 mph.
Saturday
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 80. South wind 8 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 50%.
Saturday Night
A chance of showers and thunderstorms, then showers likely after 8pm. Mostly cloudy, with a low around 57. Chance of precipitation is 60%.
Sunday
A chance of showers before 8am. Mostly sunny, with a high near 77. Chance of precipitation is 30%.
Sunday Night
Mostly cloudy, with a low around 57.
Monday
Mostly sunny, with a high near 88.
Monday Night
A chance of showers. Partly cloudy, with a low around 66.
Tuesday
A chance of showers. Partly sunny, with a high near 88.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 60.
Wednesday
A chance of showers. Partly sunny, with a high near 77.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Marine City MI
 42.73°N 82.49°W (Elev. 581 ft)
Last Update:
9:36 am EDT May 14, 2026
Forecast Valid:
10am EDT May 14, 2026-6pm EDT May 20, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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