Current conditions at

St Clair County International Airport (KPHN)

Lat: 42.91°NLon: 82.53°WElev: 636ft.

Fair

50°F

10°C

Humidity 94%
Wind Speed Calm
Barometer 30.15 in
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 24 Jun 12:36 am EDT
Extended Forecast for

2 Miles WSW Fort Gratiot MI

  • Overnight

    Overnight: Mostly clear, with a low around 51. Calm wind.

    Low: 51 °F

    Mostly Clear

  • Wednesday

    Wednesday: A slight chance of showers after 3pm.  Mostly sunny, with a high near 76. Calm wind becoming south southwest 5 to 7 mph in the afternoon.  Chance of precipitation is 20%.

    High: 76 °F

    Sunny then
    Slight Chance
    Showers

  • Wednesday Night

    Wednesday Night: Showers likely, mainly after 1am.  Mostly cloudy, with a low around 57. South wind 3 to 5 mph.  Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 57 °F

    Showers
    Likely

  • Thursday

    Thursday: A chance of showers, then showers likely and possibly a thunderstorm after 2pm.  Mostly cloudy, with a high near 76. South wind 6 to 9 mph becoming west southwest in the afternoon.  Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    High: 76 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm before 8pm.  Mostly cloudy, with a low around 55. West wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 55 °F

    Showers
    Likely then
    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 73.

    High: 73 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 57.

    Low: 57 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 74.

    High: 74 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 57.

    Low: 57 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 51. Calm wind.
Wednesday
A slight chance of showers after 3pm. Mostly sunny, with a high near 76. Calm wind becoming south southwest 5 to 7 mph in the afternoon. Chance of precipitation is 20%.
Wednesday Night
Showers likely, mainly after 1am. Mostly cloudy, with a low around 57. South wind 3 to 5 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 76. South wind 6 to 9 mph becoming west southwest in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night
Showers likely and possibly a thunderstorm before 8pm. Mostly cloudy, with a low around 55. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
Partly sunny, with a high near 73.
Friday Night
Mostly cloudy, with a low around 57.
Saturday
Mostly sunny, with a high near 74.
Saturday Night
Mostly clear, with a low around 57.
Sunday
Mostly sunny, with a high near 80.
Sunday Night
Partly cloudy, with a low around 63.
Monday
Mostly sunny, with a high near 86.
Monday Night
Partly cloudy, with a low around 68.
Tuesday
A chance of showers. Mostly sunny, with a high near 91.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WSW Fort Gratiot MI
 43.06°N 82.54°W (Elev. 669 ft)
4:24 pm EDT Jun 23, 2026
12am EDT Jun 24, 2026-6pm EDT Jun 30, 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