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.

Mostly Cloudy

37°F

3°C

Humidity 81%
Wind Speed NW 7 mph
Barometer 29.92 in
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 13 Nov 5:36 pm EST
Extended Forecast for

2 Miles ENE Fort Gratiot MI

  • This Afternoon

    This Afternoon: Scattered showers. Mostly cloudy, with a high near 41. North northwest wind around 16 mph, with gusts as high as 23 mph. Chance of precipitation is 30%.

    High: 41 °F

    Scattered
    Showers

  • Tonight

    Tonight: Scattered rain showers before 8pm, then scattered rain and snow showers between 8pm and 2am, then scattered rain showers after 2am. Mostly cloudy, with a low around 37. Breezy, with a northwest wind 16 to 18 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.

    Low: 37 °F

    Scattered
    Rain/Snow and
    Breezy

  • Saturday

    Saturday: Cloudy, with a high near 43. Breezy, with a northwest wind around 18 mph, with gusts as high as 28 mph.

    High: 43 °F

    Cloudy and
    Breezy

  • Saturday Night

    Saturday Night: Cloudy, with a low around 38. Northwest wind around 16 mph, with gusts as high as 22 mph.

    Low: 38 °F

    Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 44. Northwest wind 10 to 14 mph, with gusts as high as 20 mph.

    High: 44 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 32.

    Low: 32 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 48.

    High: 48 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 30.

    Low: 30 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 51.

    High: 51 °F

    Sunny

Detailed Forecast

This Afternoon
Scattered showers. Mostly cloudy, with a high near 41. North northwest wind around 16 mph, with gusts as high as 23 mph. Chance of precipitation is 30%.
Tonight
Scattered rain showers before 8pm, then scattered rain and snow showers between 8pm and 2am, then scattered rain showers after 2am. Mostly cloudy, with a low around 37. Breezy, with a northwest wind 16 to 18 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.
Saturday
Cloudy, with a high near 43. Breezy, with a northwest wind around 18 mph, with gusts as high as 28 mph.
Saturday Night
Cloudy, with a low around 38. Northwest wind around 16 mph, with gusts as high as 22 mph.
Sunday
Mostly cloudy, with a high near 44. Northwest wind 10 to 14 mph, with gusts as high as 20 mph.
Sunday Night
Partly cloudy, with a low around 32.
Monday
Sunny, with a high near 48.
Monday Night
Mostly clear, with a low around 30.
Tuesday
Sunny, with a high near 51.
Tuesday Night
Mostly clear, with a low around 32.
Wednesday
Sunny, with a high near 53.
Wednesday Night
Partly cloudy, with a low around 35.
Thursday
Partly sunny, with a high near 54.
Thursday Night
Mostly cloudy, with a low around 41.
Friday
Partly sunny, with a high near 58.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ENE Fort Gratiot MI
 43.08°N 82.47°W (Elev. 600 ft)
Last Update:
3:35 pm EST Nov 13, 2026
Forecast Valid:
5pm EST Nov 13, 2026-6pm EST Nov 20, 2026
 
Forecast Discussion
 
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Additional Resources

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National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation