Current conditions at
St Clair County International Airport (KPHN)
Lat: 42.91°NLon: 82.53°WElev: 636ft.
Fair
75°F
24°C
| Humidity | 31% |
| Wind Speed | Calm |
| Barometer | 30.06 in |
| Dewpoint | 43°F (6°C) |
| Visibility | 10.00 mi |
| Last update | 11 Sep 2:55 pm EDT |
Extended Forecast for
Saint Clair MI
This Afternoon
High: 76 °F
Sunny
Tonight
Low: 57 °F
Clear
Saturday
High: 82 °F
Increasing
CloudsSaturday Night
Low: 64 °F
Partly Cloudy
Sunday
High: 78 °F
Mostly Sunny
Sunday Night
Low: 53 °F
Partly Cloudy
Monday
High: 70 °F
Sunny
Monday Night
Low: 56 °F
Mostly Cloudy
Tuesday
High: 78 °F
Chance
Showers
Detailed Forecast
This Afternoon
Sunny, with a high near 76. Calm wind.
Tonight
Clear, with a low around 57. Light southeast wind.
Saturday
Increasing clouds, with a high near 82. Light southeast wind becoming south southwest 5 to 10 mph in the morning. Winds could gust as high as 18 mph.
Saturday Night
Partly cloudy, with a low around 64. South wind around 5 mph becoming light and variable in the evening.
Sunday
Mostly sunny, with a high near 78. Northwest wind 3 to 7 mph.
Sunday Night
Partly cloudy, with a low around 53.
Monday
Sunny, with a high near 70.
Monday Night
Mostly cloudy, with a low around 56.
Tuesday
A chance of showers. Mostly cloudy, with a high near 78.
Tuesday Night
Showers likely before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then showers likely after 2am. Mostly cloudy, with a low around 63.
Wednesday
A chance of showers. Mostly cloudy, with a high near 73.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 60.
Thursday
A chance of showers. Partly sunny, with a high near 72.
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Saint Clair MI
42.82°N 82.51°W (Elev. 600 ft)
42.82°N 82.51°W (Elev. 600 ft)
2:24 pm EDT Sep 11, 2026
3pm EDT Sep 11, 2026-6pm EDT Sep 17, 2026
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