Current conditions at

St Clair County International Airport (KPHN)

Lat: 42.91°NLon: 82.53°WElev: 636ft.

Fair

66°F

19°C

Humidity 35%
Wind Speed S 9 G 16 mph
Barometer 30.01 in
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 15 May 12:55 pm EDT
Extended Forecast for

Saint Clair MI

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 68. South southwest wind around 10 mph, with gusts as high as 18 mph.

    High: 68 °F

    Partly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 52. South wind 7 to 9 mph.

    Low: 52 °F

    Partly Cloudy

  • Saturday

    Saturday: Showers likely before 11am, then a chance of showers after noon.  Mostly cloudy, with a high near 77. South wind 9 to 11 mph, with gusts as high as 21 mph.  Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 77 °F

    Showers
    Likely then
    Chance
    Showers

  • Saturday Night

    Saturday Night: A chance of showers after 2am.  Increasing clouds, with a low around 54. Southwest wind 3 to 6 mph.  Chance of precipitation is 30%.

    Low: 54 °F

    Partly Cloudy
    then Chance
    Showers

  • Sunday

    Sunday: A chance of showers before 8am.  Partly sunny, with a high near 78. Light and variable wind becoming south southeast 5 to 8 mph in the morning.  Chance of precipitation is 30%.

    High: 78 °F

    Chance
    Showers then
    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 61.

    Low: 61 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 88.

    High: 88 °F

    Sunny

  • Monday Night

    Monday Night: A chance of showers and thunderstorms after 2am.  Partly cloudy, with a low around 66.

    Low: 66 °F

    Partly Cloudy
    then Chance
    T-storms

  • Tuesday

    Tuesday: A chance of showers and thunderstorms before 8am, then a chance of showers between 8am and 2pm, then showers likely and possibly a thunderstorm after 2pm.  Partly sunny, with a high near 86.

    High: 86 °F

    Chance
    T-storms then
    Showers
    Likely

Detailed Forecast

This Afternoon
Partly sunny, with a high near 68. South southwest wind around 10 mph, with gusts as high as 18 mph.
Tonight
Partly cloudy, with a low around 52. South wind 7 to 9 mph.
Saturday
Showers likely before 11am, then a chance of showers after noon. Mostly cloudy, with a high near 77. South wind 9 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
A chance of showers after 2am. Increasing clouds, with a low around 54. Southwest wind 3 to 6 mph. Chance of precipitation is 30%.
Sunday
A chance of showers before 8am. Partly sunny, with a high near 78. Light and variable wind becoming south southeast 5 to 8 mph in the morning. Chance of precipitation is 30%.
Sunday Night
Partly cloudy, with a low around 61.
Monday
Sunny, with a high near 88.
Monday Night
A chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 66.
Tuesday
A chance of showers and thunderstorms before 8am, then a chance of showers between 8am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 86.
Tuesday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers. Mostly cloudy, with a low around 60.
Wednesday
A chance of showers. Partly sunny, with a high near 71.
Wednesday Night
Mostly cloudy, with a low around 46.
Thursday
Mostly sunny, with a high near 63.
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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 May 15, 2026
12pm EDT May 15, 2026-6pm EDT May 21, 2026
 
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Additional Resources

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