Current conditions at
St Clair County International Airport (KPHN)
Lat: 42.91°NLon: 82.53°WElev: 636ft.
Fog/Mist
43°F
6°C
| Humidity | 100% |
| Wind Speed | E 3 mph |
| Barometer | 30.23 in |
| Dewpoint | 43°F (6°C) |
| Visibility | 0.75 mi |
| Last update | 4 Oct 12:15 am EDT |
Extended Forecast for
Saint Clair MI
Overnight
Low: 42 °F
Partly Cloudy
Sunday
High: 69 °F
Mostly Sunny
Sunday Night
Low: 43 °F
Decreasing
CloudsMonday
High: 61 °F
Sunny
Monday Night
Low: 39 °F
Mostly Clear
Tuesday
High: 63 °F
Sunny
Tuesday Night
Low: 48 °F
Mostly Clear
Wednesday
High: 70 °F
Mostly Sunny
Wednesday Night
Low: 46 °F
Partly Cloudy
Detailed Forecast
Overnight
Partly cloudy, with a low around 42. Calm wind.
Sunday
Mostly sunny, with a high near 69. Calm wind becoming west southwest 5 to 8 mph in the afternoon.
Sunday Night
Mostly cloudy, then gradually becoming clear, with a low around 43. Northwest wind 5 to 7 mph.
Monday
Sunny, with a high near 61. North northwest wind 6 to 11 mph, with gusts as high as 20 mph.
Monday Night
Mostly clear, with a low around 39. Calm wind.
Tuesday
Sunny, with a high near 63.
Tuesday Night
Mostly clear, with a low around 48.
Wednesday
Mostly sunny, with a high near 70.
Wednesday Night
Partly cloudy, with a low around 46.
Thursday
Mostly sunny, with a high near 68.
Thursday Night
Partly cloudy, with a low around 45.
Friday
Mostly sunny, with a high near 67.
Friday Night
Partly cloudy, with a low around 45.
Saturday
Sunny, with a high near 69.
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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)
10:13 pm EDT Oct 3, 2026
12am EDT Oct 4, 2026-6pm EDT Oct 10, 2026
Additional Resources
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