Current conditions at

St Clair County International Airport (KPHN)

Lat: 42.91°NLon: 82.53°WElev: 636ft.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

Saint Clair MI

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 63. East southeast wind around 7 mph.

    High: 63 °F

    Mostly Cloudy

  • Tonight

    Tonight: Rain and possibly a thunderstorm before 3am, then rain likely.  Low around 53. East southeast wind 7 to 10 mph becoming south southwest after midnight. Winds could gust as high as 23 mph.  Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 53 °F

    Rain

  • Friday

    Friday: A chance of rain before 11am, then rain after 1pm.  Temperature falling to around 54 by 5pm. West wind 13 to 15 mph, with gusts as high as 26 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. North northwest wind 14 to 17 mph, with gusts as high as 31 mph.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 37 °F

    Rain Likely

  • Saturday

    Saturday: Sunny, with a high near 52. North northwest wind 7 to 10 mph, with gusts as high as 20 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 41.

    Low: 41 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 64.

    High: 64 °F

    Sunny

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 63. East southeast wind around 7 mph.
Tonight
Rain and possibly a thunderstorm before 3am, then rain likely. Low around 53. East southeast wind 7 to 10 mph becoming south southwest after midnight. Winds could gust as high as 23 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 13 to 15 mph, with gusts as high as 26 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. North northwest wind 14 to 17 mph, with gusts as high as 31 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 10 mph, with gusts as high as 20 mph.
Saturday Night
Clear, with a low around 36.
Sunday
Sunny, with a high near 62.
Sunday Night
Mostly clear, with a low around 41.
Monday
Sunny, with a high near 64.
Monday Night
Partly cloudy, with a low around 42.
Tuesday
Mostly sunny, with a high near 65.
Tuesday Night
Mostly clear, with a low around 41.
Wednesday
Sunny, with a high near 65.
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ABOUT THIS FORECAST

 
Point Forecast:
Saint Clair MI
 42.82°N 82.51°W (Elev. 600 ft)
9:49 am EDT Oct 15, 2026
1pm EDT Oct 15, 2026-6pm EDT Oct 21, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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