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.

Overcast

54°F

12°C

Humidity 88%
Wind Speed SE 9 mph
Barometer 30.27 in
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Wind Chill51°F (11°C)
Last update 10 Oct 7:35 am EDT
Extended Forecast for

3 Miles W Marysville MI

  • Today

    Today: Partly sunny, with a high near 73. South southeast wind 6 to 10 mph, with gusts as high as 21 mph.

    High: 73 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 55. South southeast wind around 6 mph, with gusts as high as 20 mph.

    Low: 55 °F

    Mostly Cloudy

  • Sunday

    Sunday: Rain likely, mainly before 10am. Cloudy, with a high near 66. East southeast wind 5 to 7 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 66 °F

    Rain Likely

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 51. Calm wind.

    Low: 51 °F

    Mostly Cloudy

  • Columbus Day

    Columbus Day: Partly sunny, with a high near 75. Calm wind becoming south southwest 5 to 8 mph in the afternoon. Winds could gust as high as 18 mph.

    High: 75 °F

    Partly Sunny

  • Monday Night

    Monday Night: A chance of rain and thunderstorms before 11pm, then a chance of rain between 11pm and 2am, then rain likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 56. Chance of precipitation is 70%.

    Low: 56 °F

    Chance
    T-storms then
    Rain Likely

  • Tuesday

    Tuesday: Rain likely and possibly a thunderstorm before 8am, then a chance of rain between 8am and 2pm. Mostly cloudy, with a high near 68. Chance of precipitation is 60%.

    High: 68 °F

    Rain Likely

  • Tuesday Night

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

    Low: 46 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 62.

    High: 62 °F

    Mostly Sunny

Detailed Forecast

Today
Partly sunny, with a high near 73. South southeast wind 6 to 10 mph, with gusts as high as 21 mph.
Tonight
Mostly cloudy, with a low around 55. South southeast wind around 6 mph, with gusts as high as 20 mph.
Sunday
Rain likely, mainly before 10am. Cloudy, with a high near 66. East southeast wind 5 to 7 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night
Mostly cloudy, with a low around 51. Calm wind.
Columbus Day
Partly sunny, with a high near 75. Calm wind becoming south southwest 5 to 8 mph in the afternoon. Winds could gust as high as 18 mph.
Monday Night
A chance of rain and thunderstorms before 11pm, then a chance of rain between 11pm and 2am, then rain likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 56. Chance of precipitation is 70%.
Tuesday
Rain likely and possibly a thunderstorm before 8am, then a chance of rain between 8am and 2pm. Mostly cloudy, with a high near 68. Chance of precipitation is 60%.
Tuesday Night
Mostly cloudy, with a low around 46.
Wednesday
Mostly sunny, with a high near 62.
Wednesday Night
Partly cloudy, with a low around 43.
Thursday
A chance of rain. Partly sunny, with a high near 64.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 45.
Friday
A chance of rain. Partly sunny, with a high near 62.
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Forecast Area
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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 Oct 10, 2026
Forecast Valid:
7am EDT Oct 10, 2026-6pm EDT Oct 16, 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