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.

Rain

43°F

6°C

Humidity 81%
Wind Speed N 6 mph
Barometer 29.94 in
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Wind Chill39°F (4°C)
Last update 29 Apr 8:55 am EDT
Extended Forecast for

3 Miles W Marysville MI

  • Today

    Today: Scattered showers before 3pm. Mostly cloudy, with a high near 50. North northeast wind 8 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 50%.

    High: 50 °F

    Scattered
    Showers

  • Tonight

    Tonight: Mostly cloudy, with a low around 36. North wind 5 to 9 mph becoming light. Winds could gust as high as 20 mph.

    Low: 36 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 51. Northwest wind around 8 mph.

    High: 51 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Widespread frost, mainly after 5am. Otherwise, partly cloudy, with a low around 33. North northeast wind around 5 mph becoming calm in the evening.

    Low: 33 °F

    Mostly Cloudy
    then Frost

  • Friday

    Friday: Areas of frost before 8am. Otherwise, partly sunny, with a high near 48. Light northwest wind increasing to 5 to 9 mph in the morning.

    High: 48 °F

    Areas Frost
    then Partly
    Sunny

  • Friday Night

    Friday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 31.

    Low: 31 °F

    Decreasing
    Clouds

  • Saturday

    Saturday: Increasing clouds, with a high near 50.

    High: 50 °F

    Increasing
    Clouds

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 34.

    Low: 34 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 58.

    High: 58 °F

    Mostly Sunny

Detailed Forecast

Today
Scattered showers before 3pm. Mostly cloudy, with a high near 50. North northeast wind 8 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 50%.
Tonight
Mostly cloudy, with a low around 36. North wind 5 to 9 mph becoming light. Winds could gust as high as 20 mph.
Thursday
Partly sunny, with a high near 51. Northwest wind around 8 mph.
Thursday Night
Widespread frost, mainly after 5am. Otherwise, partly cloudy, with a low around 33. North northeast wind around 5 mph becoming calm in the evening.
Friday
Areas of frost before 8am. Otherwise, partly sunny, with a high near 48. Light northwest wind increasing to 5 to 9 mph in the morning.
Friday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 31.
Saturday
Increasing clouds, with a high near 50.
Saturday Night
Mostly cloudy, with a low around 34.
Sunday
Mostly sunny, with a high near 58.
Sunday Night
A chance of showers after 2am. Mostly cloudy, with a low around 40.
Monday
A chance of showers. Partly sunny, with a high near 59.
Monday Night
A chance of showers. Mostly cloudy, with a low around 41.
Tuesday
A chance of showers. Partly sunny, with a high near 62.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles W Marysville MI
 42.91°N 82.53°W (Elev. 646 ft)
Last Update:
4:24 am EDT Apr 29, 2026
Forecast Valid:
9am EDT Apr 29, 2026-6pm EDT May 5, 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