National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

St Clair County International Airport (KPHN)

Lat: 42.91°NLon: 82.53°WElev: 636ft.

Fair

57°F

14°C

Humidity 63%
Wind Speed N 5 mph
Barometer 30.15 in
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 12 Jun 11:15 pm EDT
Extended Forecast for

Fort Gratiot MI

  • Tonight

    Tonight: Mostly cloudy, with a low around 54. Northeast wind around 7 mph.

    Low: 54 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 69. East northeast wind 7 to 10 mph.

    High: 69 °F

    Partly Sunny

  • Friday Night

    Friday Night: A chance of showers after 2am. Mostly cloudy, with a low around 56. East wind around 7 mph. Chance of precipitation is 30%.

    Low: 56 °F

    Mostly Cloudy
    then Chance
    Showers

  • Saturday

    Saturday: A chance of showers before 8am. Partly sunny, with a high near 70. East wind 6 to 9 mph. Chance of precipitation is 30%.

    High: 70 °F

    Chance
    Showers then
    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 56. Northeast wind around 6 mph becoming light and variable after midnight.

    Low: 56 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 75.

    High: 75 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 59.

    Low: 59 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 77.

    High: 77 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 60.

    Low: 60 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 54. Northeast wind around 7 mph.
Friday
Partly sunny, with a high near 69. East northeast wind 7 to 10 mph.
Friday Night
A chance of showers after 2am. Mostly cloudy, with a low around 56. East wind around 7 mph. Chance of precipitation is 30%.
Saturday
A chance of showers before 8am. Partly sunny, with a high near 70. East wind 6 to 9 mph. Chance of precipitation is 30%.
Saturday Night
Partly cloudy, with a low around 56. Northeast wind around 6 mph becoming light and variable after midnight.
Sunday
Mostly sunny, with a high near 75.
Sunday Night
Partly cloudy, with a low around 59.
Monday
Partly sunny, with a high near 77.
Monday Night
Mostly cloudy, with a low around 60.
Tuesday
A chance of showers after 2pm. Partly sunny, with a high near 79.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 64.
Wednesday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 82.
Wednesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 65.
Juneteenth
A chance of showers. Partly sunny, with a high near 80.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Fort Gratiot MI
 43.08°N 82.5°W (Elev. 623 ft)
Last Update:
10:14 pm EDT Jun 12, 2025
Forecast Valid:
11pm EDT Jun 12, 2025-6pm EDT Jun 19, 2025
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation