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 NW 5 mph
Barometer 29.87 in
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 3 Aug 4:36 am EDT
Extended Forecast for

3 Miles SW Allenton MI

  • Today

    Today: Sunny, with a high near 79. North wind 7 to 9 mph.

    High: 79 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 54. Calm wind.

    Low: 54 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 82. Calm wind becoming south 5 to 7 mph in the afternoon.

    High: 82 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 59. South southeast wind around 6 mph becoming calm after midnight.

    Low: 59 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 85. Calm wind becoming south southwest 5 to 7 mph in the afternoon.

    High: 85 °F

    Sunny

  • Wednesday Night

    Wednesday Night: A chance of showers after 2am. Partly cloudy, with a low around 62. Chance of precipitation is 30%.

    Low: 62 °F

    Partly Cloudy
    then Chance
    Showers

  • Thursday

    Thursday: A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 81. Chance of precipitation is 60%.

    High: 81 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers. Mostly cloudy, with a low around 60.

    Low: 60 °F

    Showers
    Likely

  • Friday

    Friday: Partly sunny, with a high near 82.

    High: 82 °F

    Partly Sunny

Detailed Forecast

Today
Sunny, with a high near 79. North wind 7 to 9 mph.
Tonight
Mostly clear, with a low around 54. Calm wind.
Tuesday
Sunny, with a high near 82. Calm wind becoming south 5 to 7 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 59. South southeast wind around 6 mph becoming calm after midnight.
Wednesday
Sunny, with a high near 85. Calm wind becoming south southwest 5 to 7 mph in the afternoon.
Wednesday Night
A chance of showers after 2am. Partly cloudy, with a low around 62. Chance of precipitation is 30%.
Thursday
A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 81. Chance of precipitation is 60%.
Thursday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers. Mostly cloudy, with a low around 60.
Friday
Partly sunny, with a high near 82.
Friday Night
Partly cloudy, with a low around 62.
Saturday
Mostly sunny, with a high near 86.
Saturday Night
Partly cloudy, with a low around 64.
Sunday
A chance of showers and thunderstorms. Mostly sunny, with a high near 87.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SW Allenton MI
 42.89°N 82.91°W (Elev. 794 ft)
Last Update:
4:24 am EDT Aug 3, 2026
Forecast Valid:
4am EDT Aug 3, 2026-6pm EDT Aug 9, 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