Hazardous Weather Conditions
Current conditions at
St Clair County International Airport (KPHN)
Lat: 42.91°NLon: 82.53°WElev: 636ft.
Fair
77°F
25°C
| Humidity | 83% |
| Wind Speed | SW 3 mph |
| Barometer | 29.96 in |
| Dewpoint | 72°F (22°C) |
| Visibility | 10.00 mi |
| Heat Index | 78°F (26°C) |
| Last update | 2 Sep 1:15 am EDT |
Extended Forecast for
Port Huron MI
Overnight

Low: 71 °F
Chance
T-stormsWednesday

High: 90 °F
Chance
T-stormsWednesday Night
Low: 70 °F
Chance
T-storms then
Chance
ShowersThursday
High: 83 °F
Showers
Likely then
Chance
T-stormsThursday Night
Low: 66 °F
Chance
T-storms then
Chance
ShowersFriday

High: 80 °F
Chance
ShowersFriday Night

Low: 63 °F
Mostly Cloudy
Saturday

High: 76 °F
Mostly Sunny
Saturday Night

Low: 60 °F
Mostly Clear
Detailed Forecast
Overnight
A chance of showers and thunderstorms. Mostly cloudy, with a low around 71. Light southwest wind. Chance of precipitation is 30%.
Wednesday
A chance of showers and thunderstorms. Partly sunny, with a high near 90. Southwest wind 3 to 8 mph. Chance of precipitation is 50%.
Wednesday Night
A chance of showers and thunderstorms before 3am, then a chance of showers between 3am and 5am. Mostly cloudy, with a low around 70. Southwest wind around 6 mph becoming light and variable after midnight. Chance of precipitation is 50%.
Thursday
Showers likely, with thunderstorms also possible after 5pm. Partly sunny, with a high near 83. Light and variable wind becoming west northwest 5 to 7 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 66. North northeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 50%.
Friday
A chance of showers between 8am and 2pm. Partly sunny, with a high near 80. Chance of precipitation is 30%.
Friday Night
Mostly cloudy, with a low around 63.
Saturday
Mostly sunny, with a high near 76.
Saturday Night
Mostly clear, with a low around 60.
Sunday
Mostly sunny, with a high near 77.
Sunday Night
Partly cloudy, with a low around 60.
Labor Day
Mostly sunny, with a high near 77.
Monday Night
Mostly cloudy, with a low around 59.
Tuesday
Partly sunny, with a high near 75.
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ABOUT THIS FORECAST
Point Forecast:
Port Huron MI
42.97°N 82.43°W (Elev. 600 ft)
42.97°N 82.43°W (Elev. 600 ft)
4:24 pm EDT Sep 1, 2026
1am EDT Sep 2, 2026-6pm EDT Sep 8, 2026



