


Hazardous Weather Conditions
Current conditions at
St Clair County International Airport (KPHN)
Lat: 42.91°NLon: 82.53°WElev: 636ft.
Fair
84°F
29°C
Humidity | 51% |
Wind Speed | S 7 mph |
Barometer | 30.00 in |
Dewpoint | 64°F (18°C) |
Visibility | 10.00 mi |
Heat Index | 85°F (29°C) |
Last update | 15 Jul 6:55 pm EDT |
Extended Forecast for
Fort Gratiot MI
Tonight
Low: 66 °F
Mostly Clear
Wednesday
High: 86 °F
Mostly Sunny
then Chance
T-stormsWednesday Night
Low: 71 °F
Chance
T-storms then
Chance
ShowersThursday
High: 81 °F
Showers
LikelyThursday Night
Low: 60 °F
Mostly Cloudy
Friday
High: 72 °F
Sunny
Friday Night
Low: 58 °F
Partly Cloudy
Saturday
High: 78 °F
Mostly Sunny
then Chance
ShowersSaturday Night
Low: 65 °F
Chance
T-storms
Detailed Forecast
Tonight
Mostly clear, with a low around 66. South wind around 6 mph.
Wednesday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 86. South wind 5 to 8 mph. Chance of precipitation is 40%.
Wednesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 71. South wind around 6 mph. Chance of precipitation is 30%.
Thursday
Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 81. West southwest wind 8 to 13 mph becoming northwest in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Mostly cloudy, with a low around 60. North wind 9 to 13 mph, with gusts as high as 21 mph.
Friday
Sunny, with a high near 72.
Friday Night
Partly cloudy, with a low around 58.
Saturday
A chance of showers after 2pm. Partly sunny, with a high near 78.
Saturday Night
A chance of showers before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a chance of showers after 2am. Mostly cloudy, with a low around 65.
Sunday
A chance of showers before 2pm. Partly sunny, with a high near 77.
Sunday Night
Partly cloudy, with a low around 62.
Monday
Mostly sunny, with a high near 78.
Monday Night
Partly cloudy, with a low around 63.
Tuesday
Mostly sunny, with a high near 84.
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ABOUT THIS FORECAST
Point Forecast:
Fort Gratiot MI
43.08°N 82.5°W (Elev. 623 ft)
43.08°N 82.5°W (Elev. 623 ft)
5:13 pm EDT Jul 15, 2025
7pm EDT Jul 15, 2025-6pm EDT Jul 22, 2025