Current conditions at

St Clair County International Airport (KPHN)

Lat: 42.91°NLon: 82.53°WElev: 636ft.

Fair

77°F

25°C

Humidity 51%
Wind Speed NE 9 mph
Barometer 30.01 in
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 3 Jul 3:15 pm EDT
Extended Forecast for

Fort Gratiot MI

  • This Afternoon

    This Afternoon: Sunny, with a high near 75. North northeast wind around 10 mph.

    High: 75 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 60. Northeast wind 3 to 8 mph.

    Low: 60 °F

    Mostly Clear

  • Independence Day

    Independence Day: Sunny, with a high near 80. East southeast wind 3 to 6 mph.

    High: 80 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 66. South wind 6 to 8 mph.

    Low: 66 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 90. Southwest wind 7 to 10 mph.

    High: 90 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 72.

    Low: 72 °F

    Partly Cloudy

  • Sunday

    Sunday: A chance of showers and thunderstorms after 2pm.  Sunny, then becoming mostly cloudy during the afternoon, with a high near 88. Chance of precipitation is 40%.

    High: 88 °F

    Mostly Sunny
    then Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 66.

    Low: 66 °F

    Chance
    T-storms

  • Monday

    Monday: A chance of showers before 2pm.  Mostly cloudy, with a high near 76.

    High: 76 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
Sunny, with a high near 75. North northeast wind around 10 mph.
Tonight
Mostly clear, with a low around 60. Northeast wind 3 to 8 mph.
Independence Day
Sunny, with a high near 80. East southeast wind 3 to 6 mph.
Friday Night
Partly cloudy, with a low around 66. South wind 6 to 8 mph.
Saturday
Mostly sunny, with a high near 90. Southwest wind 7 to 10 mph.
Saturday Night
Partly cloudy, with a low around 72.
Sunday
A chance of showers and thunderstorms after 2pm. Sunny, then becoming mostly cloudy during the afternoon, with a high near 88. Chance of precipitation is 40%.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 66.
Monday
A chance of showers before 2pm. Mostly cloudy, with a high near 76.
Monday Night
Partly cloudy, with a low around 62.
Tuesday
Mostly sunny, with a high near 78.
Tuesday Night
Partly cloudy, with a low around 63.
Wednesday
Mostly cloudy, with a high near 79.
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ABOUT THIS FORECAST

 
Point Forecast:
Fort Gratiot MI
 43.08°N 82.5°W (Elev. 623 ft)
2:49 pm EDT Jul 3, 2025
3pm EDT Jul 3, 2025-6pm EDT Jul 9, 2025
 
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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