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

54°F

12°C

Humidity 88%
Wind Speed NW 9 mph
Barometer 30.01 in
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Wind Chill51°F (11°C)
Last update 28 Sep 6:15 am EDT
Extended Forecast for

Marine City MI

  • Today

    Today: Areas of fog before 10am. Otherwise, mostly sunny, with a high near 73. Light north wind increasing to 5 to 9 mph in the morning.

    High: 73 °F

    Areas Fog
    then Sunny

  • Tonight

    Tonight: Widespread fog, mainly between 10pm and 4am. Otherwise, mostly clear, with a low around 49. Light north northeast wind.

    Low: 49 °F

    Fog

  • Tuesday

    Tuesday: Widespread fog, mainly before 9am. Otherwise, mostly sunny, with a high near 74. Light and variable wind.

    High: 74 °F

    Fog then
    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 56. Light south wind.

    Low: 56 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 75. Light south wind becoming south southwest 5 to 9 mph in the morning. Winds could gust as high as 18 mph.

    High: 75 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 63.

    Low: 63 °F

    Mostly Cloudy

  • Thursday

    Thursday: A chance of showers. Mostly cloudy, with a high near 78. Chance of precipitation is 50%.

    High: 78 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: Showers likely, mainly before 2am. Cloudy, with a low around 53.

    Low: 53 °F

    Showers
    Likely

  • Friday

    Friday: A chance of showers before 2pm. Mostly cloudy, with a high near 66.

    High: 66 °F

    Chance
    Showers

Detailed Forecast

Today
Areas of fog before 10am. Otherwise, mostly sunny, with a high near 73. Light north wind increasing to 5 to 9 mph in the morning.
Tonight
Widespread fog, mainly between 10pm and 4am. Otherwise, mostly clear, with a low around 49. Light north northeast wind.
Tuesday
Widespread fog, mainly before 9am. Otherwise, mostly sunny, with a high near 74. Light and variable wind.
Tuesday Night
Partly cloudy, with a low around 56. Light south wind.
Wednesday
Partly sunny, with a high near 75. Light south wind becoming south southwest 5 to 9 mph in the morning. Winds could gust as high as 18 mph.
Wednesday Night
Mostly cloudy, with a low around 63.
Thursday
A chance of showers. Mostly cloudy, with a high near 78. Chance of precipitation is 50%.
Thursday Night
Showers likely, mainly before 2am. Cloudy, with a low around 53.
Friday
A chance of showers before 2pm. Mostly cloudy, with a high near 66.
Friday Night
Partly cloudy, with a low around 45.
Saturday
Mostly sunny, with a high near 65.
Saturday Night
Partly cloudy, with a low around 47.
Sunday
Mostly sunny, with a high near 66.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Marine City MI
 42.71°N 82.49°W (Elev. 581 ft)
Last Update:
4:25 am EDT Sep 28, 2026
Forecast Valid:
6am EDT Sep 28, 2026-6pm EDT Oct 4, 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