Hazardous Weather Conditions
Current conditions at
St Clair County International Airport (KPHN)
Lat: 42.91°NLon: 82.53°WElev: 636ft.
Mostly Cloudy
70°F
21°C
| Humidity | 88% |
| Wind Speed | Calm |
| Barometer | 29.95 in |
| Dewpoint | 66°F (19°C) |
| Visibility | 10.00 mi |
| Last update | 3 Sep 8:16 pm EDT |
Extended Forecast for
Port Huron MI
Tonight

Low: 66 °F
Slight Chance
T-storms and
Patchy FogFriday

High: 76 °F
Showers
Likely and
Patchy FogFriday Night
Low: 63 °F
Partly Cloudy
then Chance
ShowersSaturday
High: 74 °F
Chance
Showers then
SunnySaturday Night

Low: 59 °F
Mostly Clear
Sunday

High: 74 °F
Sunny
Sunday Night

Low: 58 °F
Mostly Clear
Labor Day

High: 76 °F
Sunny
Monday Night

Low: 60 °F
Partly Cloudy
Detailed Forecast
Tonight
A slight chance of showers and thunderstorms. Patchy fog before 3am, then patchy fog after 5am. Otherwise, mostly cloudy, with a low around 66. Light and variable wind. Chance of precipitation is 20%.
Friday
Showers and thunderstorms likely before 11am, then a chance of showers between 11am and 2pm. Patchy fog before 8am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 76. Calm wind becoming north northeast around 6 mph in the afternoon. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
A chance of showers after 2am. Mostly cloudy, with a low around 63. North northeast wind around 6 mph. Chance of precipitation is 40%.
Saturday
A chance of showers before 8am. Mostly cloudy, then gradually becoming sunny, with a high near 74. East northeast wind 5 to 10 mph. Chance of precipitation is 30%.
Saturday Night
Mostly clear, with a low around 59. North wind 5 to 9 mph, with gusts as high as 18 mph.
Sunday
Sunny, with a high near 74.
Sunday Night
Mostly clear, with a low around 58.
Labor Day
Sunny, with a high near 76.
Monday Night
Partly cloudy, with a low around 60.
Tuesday
Mostly sunny, with a high near 78.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 65.
Wednesday
A chance of showers. Partly sunny, with a high near 83.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 66.
Thursday
A chance of showers. Mostly sunny, with a high near 78.
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ABOUT THIS FORECAST
Point Forecast:
Port Huron MI
42.99°N 82.43°W (Elev. 600 ft)
42.99°N 82.43°W (Elev. 600 ft)
5:24 pm EDT Sep 3, 2026
8pm EDT Sep 3, 2026-6pm EDT Sep 10, 2026



