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

28°F

-2°C

Humidity 80%
Wind Speed Calm
Barometer 29.92 in
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Last update 27 Feb 6:35 am EST
Extended Forecast for

2 Miles S Fort Gratiot MI

  • Today

    Today: Sunny, with a high near 48. South southwest wind 6 to 11 mph, with gusts as high as 25 mph.

    High: 48 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 30. South southwest wind around 11 mph becoming west after midnight. Winds could gust as high as 29 mph.

    Low: 30 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a temperature falling to around 28 by 5pm. West northwest wind around 9 mph becoming north in the afternoon.

    High: 34 °F⇓

    Partly Sunny

  • Saturday Night

    Saturday Night: Snow likely before 1am. Mostly cloudy, with a low around 17. North northeast wind 7 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 60%. New snow accumulation of around an inch possible.

    Low: 17 °F

    Snow Likely

  • Sunday

    Sunday: Partly sunny, with a high near 23. North northwest wind 8 to 10 mph, with gusts as high as 18 mph.

    High: 23 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 12.

    Low: 12 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, then gradually becoming sunny, with a high near 29.

    High: 29 °F

    Becoming
    Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 18.

    Low: 18 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A chance of rain and snow after 1pm. Mostly cloudy, with a high near 38.

    High: 38 °F

    Mostly Cloudy
    then Chance
    Rain/Snow

Detailed Forecast

Today
Sunny, with a high near 48. South southwest wind 6 to 11 mph, with gusts as high as 25 mph.
Tonight
Partly cloudy, with a low around 30. South southwest wind around 11 mph becoming west after midnight. Winds could gust as high as 29 mph.
Saturday
Partly sunny, with a temperature falling to around 28 by 5pm. West northwest wind around 9 mph becoming north in the afternoon.
Saturday Night
Snow likely before 1am. Mostly cloudy, with a low around 17. North northeast wind 7 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 60%. New snow accumulation of around an inch possible.
Sunday
Partly sunny, with a high near 23. North northwest wind 8 to 10 mph, with gusts as high as 18 mph.
Sunday Night
Mostly cloudy, with a low around 12.
Monday
Partly sunny, then gradually becoming sunny, with a high near 29.
Monday Night
Mostly cloudy, with a low around 18.
Tuesday
A chance of rain and snow after 1pm. Mostly cloudy, with a high near 38.
Tuesday Night
Mostly cloudy, with a low around 28.
Wednesday
Mostly sunny, with a high near 44.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 32.
Thursday
Rain likely. Mostly cloudy, with a high near 51.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles S Fort Gratiot MI
 43.04°N 82.48°W (Elev. 620 ft)
Last Update:
3:35 am EST Feb 27, 2026
Forecast Valid:
6am EST Feb 27, 2026-6pm EST Mar 5, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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