Current conditions at

St Clair County International Airport (KPHN)

Lat: 42.91°NLon: 82.53°WElev: 636ft.

Fair

55°F

13°C

Humidity 55%
Wind Speed W 3 mph
Barometer 30.44 in
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 19 Oct 10:35 am EDT
Extended Forecast for

2 Miles S Fort Gratiot MI

  • Today

    Today: Sunny, with a high near 66. Southwest wind 5 to 7 mph.

    High: 66 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 42. Calm wind.

    Low: 42 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Mostly sunny, with a high near 65. Northeast wind around 7 mph.

    High: 65 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 42. North northeast wind 5 to 7 mph becoming east southeast after midnight.

    Low: 42 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 62. Light east southeast wind.

    High: 62 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 44.

    Low: 44 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 63.

    High: 63 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 46.

    Low: 46 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 59.

    High: 59 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 66. Southwest wind 5 to 7 mph.
Tonight
Increasing clouds, with a low around 42. Calm wind.
Tuesday
Mostly sunny, with a high near 65. Northeast wind around 7 mph.
Tuesday Night
Mostly clear, with a low around 42. North northeast wind 5 to 7 mph becoming east southeast after midnight.
Wednesday
Sunny, with a high near 62. Light east southeast wind.
Wednesday Night
Mostly clear, with a low around 44.
Thursday
Sunny, with a high near 63.
Thursday Night
Mostly clear, with a low around 46.
Friday
Sunny, with a high near 59.
Friday Night
Mostly clear, with a low around 42.
Saturday
Sunny, with a high near 62.
Saturday Night
Partly cloudy, with a low around 46.
Sunday
Partly sunny, with a high near 64.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles S Fort Gratiot MI
 43.04°N 82.48°W (Elev. 620 ft)
4:24 am EDT Oct 19, 2026
10am EDT Oct 19, 2026-6pm EDT Oct 25, 2026
 
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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