


Current conditions at
St Clair County International Airport (KPHN)
Lat: 42.91°NLon: 82.53°WElev: 636ft.
Fog/Mist
68°F
20°C
Humidity | 94% |
Wind Speed | N 5 mph |
Barometer | 29.93 in |
Dewpoint | 66°F (19°C) |
Visibility | 5.00 mi |
Last update | 10 Jul 8:15 pm EDT |
Extended Forecast for
Fort Gratiot MI
Tonight
Low: 64 °F
Partly Cloudy
then Patchy
FogFriday
High: 84 °F
Chance
Showers and
Patchy Fog
then Chance
T-stormsFriday Night
Low: 69 °F
Chance
T-storms then
Mostly CloudySaturday
High: 89 °F
Mostly Sunny
then Chance
T-stormsSaturday Night
Low: 70 °F
Chance
T-storms then
Chance
ShowersSunday
High: 82 °F
Chance
Showers then
Chance
T-stormsSunday Night
Low: 65 °F
Chance
T-storms then
Partly CloudyMonday
High: 84 °F
Becoming
SunnyMonday Night
Low: 66 °F
Mostly Clear
Detailed Forecast
Tonight
Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 64. Northeast wind around 6 mph becoming light and variable after midnight.
Friday
A chance of showers, with thunderstorms also possible after 2pm. Patchy fog before 9am. Otherwise, partly sunny, with a high near 84. South wind 3 to 6 mph. Chance of precipitation is 40%.
Friday Night
A chance of thunderstorms before 8pm. Mostly cloudy, with a low around 69. South wind 6 to 8 mph. Chance of precipitation is 30%.
Saturday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 89. South southwest wind 6 to 10 mph. Chance of precipitation is 30%.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 70. South southwest wind around 7 mph. Chance of precipitation is 50%.
Sunday
A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 82. Chance of precipitation is 50%.
Sunday Night
A chance of thunderstorms before 8pm. Partly cloudy, with a low around 65. Chance of precipitation is 30%.
Monday
Partly sunny, then gradually becoming sunny, with a high near 84.
Monday Night
Mostly clear, with a low around 66.
Tuesday
Sunny, with a high near 88.
Tuesday Night
Partly cloudy, with a low around 69.
Wednesday
A chance of showers. Partly sunny, with a high near 88.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 68.
Thursday
A chance of showers. Partly sunny, with a high near 80.
Basemap Options
Click map to change the forecast location
Loading map...
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 10, 2025
8pm EDT Jul 10, 2025-6pm EDT Jul 17, 2025