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

45°F

7°C

Humidity 81%
Wind Speed S 3 mph
Barometer 30.25 in
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 2 Nov 9:56 am EST
Extended Forecast for

2 Miles S Fort Gratiot MI

  • Today

    Today: Sunny, with a high near 54. South southwest wind 5 to 10 mph.

    High: 54 °F

    Sunny

  • Tonight

    Tonight: A slight chance of rain after 1am. Partly cloudy, with a low around 41. South southwest wind 8 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.

    Low: 41 °F

    Mostly Clear
    then Slight
    Chance Rain

  • Monday

    Monday: A chance of rain before 1pm. Cloudy through mid morning, then gradual clearing, with a high near 56. Southwest wind 13 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 40%.

    High: 56 °F

    Chance Rain

  • Monday Night

    Monday Night: Mostly clear, with a low around 36. West wind 8 to 13 mph, with gusts as high as 24 mph.

    Low: 36 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 57. West wind 8 to 11 mph, with gusts as high as 20 mph.

    High: 57 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Cloudy, with a low around 42.

    Low: 42 °F

    Cloudy

  • Wednesday

    Wednesday: A chance of rain. Mostly cloudy, with a high near 54. Chance of precipitation is 50%.

    High: 54 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 36.

    Low: 36 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 51.

    High: 51 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 54. South southwest wind 5 to 10 mph.
Tonight
A slight chance of rain after 1am. Partly cloudy, with a low around 41. South southwest wind 8 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.
Monday
A chance of rain before 1pm. Cloudy through mid morning, then gradual clearing, with a high near 56. Southwest wind 13 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 40%.
Monday Night
Mostly clear, with a low around 36. West wind 8 to 13 mph, with gusts as high as 24 mph.
Tuesday
Mostly sunny, with a high near 57. West wind 8 to 11 mph, with gusts as high as 20 mph.
Tuesday Night
Cloudy, with a low around 42.
Wednesday
A chance of rain. Mostly cloudy, with a high near 54. Chance of precipitation is 50%.
Wednesday Night
Partly cloudy, with a low around 36.
Thursday
Mostly sunny, with a high near 51.
Thursday Night
A chance of rain after 1am. Mostly cloudy, with a low around 40.
Friday
Rain likely. Mostly cloudy, with a high near 57.
Friday Night
A chance of rain. Mostly cloudy, with a low around 38.
Saturday
A chance of rain. Partly sunny, with a high near 52.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles S Fort Gratiot MI
 43.04°N 82.48°W (Elev. 620 ft)
Last Update:
9:36 am EST Nov 2, 2025
Forecast Valid:
10am EST Nov 2, 2025-6pm EST Nov 8, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation