Current conditions at

St Clair County International Airport (KPHN)

Lat: 42.91°NLon: 82.53°WElev: 636ft.

Overcast

52°F

11°C

Humidity 77%
Wind Speed E 8 mph
Barometer 30.22 in
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Wind Chill49°F (9°C)
Last update 15 Oct 4:15 am EDT
Extended Forecast for

Saint Clair MI

  • Today

    Today: Mostly cloudy, with a high near 63. East southeast wind 5 to 8 mph.

    High: 63 °F

    Mostly Cloudy

  • Tonight

    Tonight: Rain and possibly a thunderstorm before 3am, then rain likely.  Low around 52. East southeast wind 7 to 11 mph becoming south southwest after midnight. Winds could gust as high as 24 mph.  Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 52 °F

    Rain

  • Friday

    Friday: A chance of rain before 11am, then rain after 1pm.  Temperature falling to around 54 by 5pm. West wind 14 to 16 mph, with gusts as high as 28 mph.  Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 60 °F⇓

    Chance Rain
    then Rain

  • Friday Night

    Friday Night: Rain likely, mainly before 8pm.  Cloudy, then gradually becoming partly cloudy, with a low around 37. Breezy, with a north northwest wind 14 to 20 mph, with gusts as high as 34 mph.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 37 °F

    Rain Likely
    and Breezy

  • Saturday

    Saturday: Sunny, with a high near 52. North northwest wind 7 to 11 mph, with gusts as high as 21 mph.

    High: 52 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 36.

    Low: 36 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 62.

    High: 62 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 40.

    Low: 40 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 65.

    High: 65 °F

    Sunny

Detailed Forecast

Today
Mostly cloudy, with a high near 63. East southeast wind 5 to 8 mph.
Tonight
Rain and possibly a thunderstorm before 3am, then rain likely. Low around 52. East southeast wind 7 to 11 mph becoming south southwest after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Friday
A chance of rain before 11am, then rain after 1pm. Temperature falling to around 54 by 5pm. West wind 14 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
Rain likely, mainly before 8pm. Cloudy, then gradually becoming partly cloudy, with a low around 37. Breezy, with a north northwest wind 14 to 20 mph, with gusts as high as 34 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Sunny, with a high near 52. North northwest wind 7 to 11 mph, with gusts as high as 21 mph.
Saturday Night
Clear, with a low around 36.
Sunday
Sunny, with a high near 62.
Sunday Night
Mostly clear, with a low around 40.
Monday
Sunny, with a high near 65.
Monday Night
Partly cloudy, with a low around 41.
Tuesday
Mostly sunny, with a high near 66.
Tuesday Night
Mostly clear, with a low around 41.
Wednesday
Sunny, with a high near 66.
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ABOUT THIS FORECAST

 
Point Forecast:
Saint Clair MI
 42.82°N 82.48°W (Elev. 577 ft)
4:24 am EDT Oct 15, 2026
4am EDT Oct 15, 2026-6pm EDT Oct 21, 2026
 
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