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

46°F

8°C

Humidity 57%
Wind Speed Calm
Barometer 30.01 in
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Last update 14 May 9:35 pm EDT
Extended Forecast for

Allenton MI

  • Tonight

    Tonight: Mostly clear, with a low around 38. Light and variable wind.

    Low: 38 °F

    Mostly Clear

  • Friday

    Friday: Partly sunny, with a high near 69. Light south southwest wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 69 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 50. South southwest wind 7 to 9 mph, with gusts as high as 20 mph.

    Low: 50 °F

    Partly Cloudy

  • Saturday

    Saturday: Showers likely before 2pm. Increasing clouds, with a high near 78. Southwest wind 9 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 78 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 55. Southwest wind around 6 mph becoming light and variable in the evening.

    Low: 55 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 79.

    High: 79 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 59.

    Low: 59 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 88. Breezy.

    High: 88 °F

    Sunny then
    Sunny and
    Breezy

  • Monday Night

    Monday Night: A chance of showers after 2am. Partly cloudy, with a low around 68.

    Low: 68 °F

    Partly Cloudy
    then Chance
    Showers

Detailed Forecast

Tonight
Mostly clear, with a low around 38. Light and variable wind.
Friday
Partly sunny, with a high near 69. Light south southwest wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Friday Night
Partly cloudy, with a low around 50. South southwest wind 7 to 9 mph, with gusts as high as 20 mph.
Saturday
Showers likely before 2pm. Increasing clouds, with a high near 78. Southwest wind 9 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
Mostly cloudy, with a low around 55. Southwest wind around 6 mph becoming light and variable in the evening.
Sunday
Partly sunny, with a high near 79.
Sunday Night
Partly cloudy, with a low around 59.
Monday
Sunny, with a high near 88. Breezy.
Monday Night
A chance of showers after 2am. Partly cloudy, with a low around 68.
Tuesday
Showers likely, mainly after 2pm. Partly sunny, with a high near 87. Breezy.
Tuesday Night
Showers likely. Mostly cloudy, with a low around 59.
Wednesday
A chance of showers. Mostly sunny, with a high near 74.
Wednesday Night
A chance of showers. Partly cloudy, with a low around 46.
Thursday
Partly sunny, with a high near 67.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Allenton MI
 42.91°N 82.88°W (Elev. 801 ft)
Last Update:
4:24 pm EDT May 14, 2026
Forecast Valid:
9pm EDT May 14, 2026-6pm EDT May 21, 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