Current conditions at

St Clair County International Airport (KPHN)

Lat: 42.91°NLon: 82.53°WElev: 636ft.

Overcast

52°F

11°C

Humidity 41%
Wind Speed SW 9 mph
Barometer 30.04 in
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill49°F (9°C)
Last update 14 Nov 11:56 am EST
Extended Forecast for

Casco MI

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 52. South southeast wind around 7 mph.

    High: 52 °F

    Mostly Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 38. Calm wind becoming south southeast around 5 mph after midnight.

    Low: 38 °F

    Increasing
    Clouds

  • Saturday

    Saturday: A chance of rain after 1pm.  Cloudy, with a high near 61. South wind 7 to 13 mph becoming west southwest in the afternoon. Winds could gust as high as 23 mph.  Chance of precipitation is 50%.

    High: 61 °F

    Cloudy then
    Chance Rain

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 34. West northwest wind 10 to 13 mph, with gusts as high as 25 mph.

    Low: 34 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 44. West northwest wind 13 to 16 mph, with gusts as high as 26 mph.

    High: 44 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 28.

    Low: 28 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 43.

    High: 43 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 25.

    Low: 25 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 42.

    High: 42 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 52. South southeast wind around 7 mph.
Tonight
Increasing clouds, with a low around 38. Calm wind becoming south southeast around 5 mph after midnight.
Saturday
A chance of rain after 1pm. Cloudy, with a high near 61. South wind 7 to 13 mph becoming west southwest in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 50%.
Saturday Night
Mostly cloudy, with a low around 34. West northwest wind 10 to 13 mph, with gusts as high as 25 mph.
Sunday
Mostly sunny, with a high near 44. West northwest wind 13 to 16 mph, with gusts as high as 26 mph.
Sunday Night
Mostly clear, with a low around 28.
Monday
Mostly sunny, with a high near 43.
Monday Night
Partly cloudy, with a low around 25.
Tuesday
Partly sunny, with a high near 42.
Tuesday Night
Partly cloudy, with a low around 27.
Wednesday
Partly sunny, with a high near 44.
Wednesday Night
Mostly cloudy, with a low around 28.
Thursday
A chance of rain. Mostly cloudy, with a high near 46.
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ABOUT THIS FORECAST

 
Point Forecast:
Casco MI
 42.74°N 82.67°W (Elev. 630 ft)
9:49 am EST Nov 14, 2025
12pm EST Nov 14, 2025-6pm EST Nov 20, 2025
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database