Current conditions at

St Clair County International Airport (KPHN)

Lat: 42.91°NLon: 82.53°WElev: 636ft.

Fair

32°F

0°C

Humidity 40%
Wind Speed SE 8 mph
Barometer 30.45 in
Dewpoint 10°F (-12°C)
Visibility 10.00 mi
Wind Chill25°F (-4°C)
Last update 2 Mar 4:35 pm EST
Extended Forecast for

2 Miles S Fort Gratiot MI

  • This Afternoon

    This Afternoon: Sunny, with a high near 32. South southeast wind around 6 mph.

    High: 32 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 19. Light southeast wind.

    Low: 19 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 40. Calm wind becoming east northeast around 5 mph.

    High: 40 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 27. Calm wind.

    Low: 27 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 45. Light and variable wind.

    High: 45 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A chance of rain.  Mostly cloudy, with a low around 32. Chance of precipitation is 30%.

    Low: 32 °F

    Chance Rain

  • Thursday

    Thursday: Rain likely, mainly after 1pm.  Cloudy, with a high near 47. Chance of precipitation is 70%.

    High: 47 °F

    Chance Rain
    then Rain
    Likely

  • Thursday Night

    Thursday Night: Rain likely before 1am.  Cloudy, with a low around 38.

    Low: 38 °F

    Rain Likely

  • Friday

    Friday: A chance of rain after 1pm.  Mostly cloudy, with a high near 53.

    High: 53 °F

    Mostly Cloudy
    then Chance
    Rain

Detailed Forecast

This Afternoon
Sunny, with a high near 32. South southeast wind around 6 mph.
Tonight
Partly cloudy, with a low around 19. Light southeast wind.
Tuesday
Partly sunny, with a high near 40. Calm wind becoming east northeast around 5 mph.
Tuesday Night
Partly cloudy, with a low around 27. Calm wind.
Wednesday
Mostly sunny, with a high near 45. Light and variable wind.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 32. Chance of precipitation is 30%.
Thursday
Rain likely, mainly after 1pm. Cloudy, with a high near 47. Chance of precipitation is 70%.
Thursday Night
Rain likely before 1am. Cloudy, with a low around 38.
Friday
A chance of rain after 1pm. Mostly cloudy, with a high near 53.
Friday Night
Rain. Mostly cloudy, with a low around 45.
Saturday
Rain likely. Mostly cloudy, with a high near 62.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 37.
Sunday
Partly sunny, with a high near 53.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles S Fort Gratiot MI
 43.04°N 82.48°W (Elev. 620 ft)
3:49 pm EST Mar 2, 2026
4pm EST Mar 2, 2026-6pm EDT Mar 8, 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