Current conditions at

Pontiac, Oakland County International Airport (KPTK)

Lat: 42.66°NLon: 83.41°WElev: 981ft.

A Few Clouds

54°F

12°C

Humidity 45%
Wind Speed W 15 G 25 mph
Barometer 30.23 in (1024.1 mb)
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Wind Chill50°F (10°C)
Last update 4 Nov 10:53 am EST
Extended Forecast for

South Lyon MI

  • Today

    Today: Mostly sunny, with a high near 58. West wind 8 to 11 mph, with gusts as high as 22 mph.

    High: 58 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 42. South wind 5 to 9 mph, with gusts as high as 20 mph.

    Low: 42 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of rain.  Cloudy, then gradually becoming mostly sunny, with a high near 60. Breezy, with a southwest wind 10 to 15 mph becoming west northwest 16 to 21 mph in the afternoon. Winds could gust as high as 37 mph.  Chance of precipitation is 40%.

    High: 60 °F

    Chance Rain
    and Breezy

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 30. West northwest wind 6 to 13 mph, with gusts as high as 24 mph.

    Low: 30 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 52. Light and variable wind becoming west around 6 mph in the afternoon.

    High: 52 °F

    Sunny

  • Thursday Night

    Thursday Night: A chance of rain after 1am.  Mostly cloudy, with a low around 38. Chance of precipitation is 40%.

    Low: 38 °F

    Mostly Cloudy
    then Chance
    Rain

  • Friday

    Friday: Rain.  High near 57. Chance of precipitation is 90%.

    High: 57 °F

    Rain

  • Friday Night

    Friday Night: A chance of rain.  Mostly cloudy, with a low around 36.

    Low: 36 °F

    Chance Rain

  • Saturday

    Saturday: Mostly cloudy, with a high near 46.

    High: 46 °F

    Mostly Cloudy

Detailed Forecast

Today
Mostly sunny, with a high near 58. West wind 8 to 11 mph, with gusts as high as 22 mph.
Tonight
Mostly cloudy, with a low around 42. South wind 5 to 9 mph, with gusts as high as 20 mph.
Wednesday
A chance of rain. Cloudy, then gradually becoming mostly sunny, with a high near 60. Breezy, with a southwest wind 10 to 15 mph becoming west northwest 16 to 21 mph in the afternoon. Winds could gust as high as 37 mph. Chance of precipitation is 40%.
Wednesday Night
Mostly clear, with a low around 30. West northwest wind 6 to 13 mph, with gusts as high as 24 mph.
Thursday
Sunny, with a high near 52. Light and variable wind becoming west around 6 mph in the afternoon.
Thursday Night
A chance of rain after 1am. Mostly cloudy, with a low around 38. Chance of precipitation is 40%.
Friday
Rain. High near 57. Chance of precipitation is 90%.
Friday Night
A chance of rain. Mostly cloudy, with a low around 36.
Saturday
Mostly cloudy, with a high near 46.
Saturday Night
Rain likely, mainly after 1am. Mostly cloudy, with a low around 32.
Sunday
A chance of rain and snow. Mostly cloudy, with a high near 42.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 25.
Monday
Partly sunny, with a high near 37.
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ABOUT THIS FORECAST

 
Point Forecast:
South Lyon MI
 42.48°N 83.64°W (Elev. 938 ft)
10:14 am EST Nov 4, 2025
11am EST Nov 4, 2025-6pm EST Nov 10, 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