National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Pontiac, Oakland County International Airport (KPTK)

Lat: 42.66°NLon: 83.41°WElev: 981ft.

Partly Cloudy

71°F

22°C

Humidity 68%
Wind Speed S 3 mph
Barometer 29.81 in (1009.0 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 12 Oct 11:53 pm EDT
Extended Forecast for

Union Lake MI

  • Tonight

    Tonight: A chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 66. Southwest wind around 9 mph, with gusts as high as 18 mph. Chance of precipitation is 40%.

    Low: 66 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: Sunny, with a high near 80. West wind 11 to 16 mph, with gusts as high as 29 mph.

    High: 80 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A chance of rain after 3am. Increasing clouds, with a low around 58. West northwest wind 8 to 13 mph becoming light north northwest after midnight. Winds could gust as high as 23 mph. Chance of precipitation is 50%.

    Low: 58 °F

    Mostly Clear
    then Chance
    Rain

  • Wednesday

    Wednesday: A chance of rain before 8am. Mostly cloudy, with a high near 66. North wind 3 to 8 mph. Chance of precipitation is 30%.

    High: 66 °F

    Chance Rain
    then Mostly
    Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 46. Northeast wind around 7 mph.

    Low: 46 °F

    Mostly Cloudy

  • Thursday

    Thursday: A chance of rain after 2pm. Mostly cloudy, with a high near 62. Chance of precipitation is 40%.

    High: 62 °F

    Partly Sunny
    then Chance
    Rain

  • Thursday Night

    Thursday Night: Rain, mainly between 8pm and 2am. Low around 49. Chance of precipitation is 80%.

    Low: 49 °F

    Rain

  • Friday

    Friday: A chance of rain before 2pm. Mostly cloudy, with a high near 60. Breezy.

    High: 60 °F

    Chance Rain
    and Breezy

  • Friday Night

    Friday Night: Partly cloudy, with a low around 35. Breezy.

    Low: 35 °F

    Partly Cloudy
    and Breezy

Detailed Forecast

Tonight
A chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 66. Southwest wind around 9 mph, with gusts as high as 18 mph. Chance of precipitation is 40%.
Tuesday
Sunny, with a high near 80. West wind 11 to 16 mph, with gusts as high as 29 mph.
Tuesday Night
A chance of rain after 3am. Increasing clouds, with a low around 58. West northwest wind 8 to 13 mph becoming light north northwest after midnight. Winds could gust as high as 23 mph. Chance of precipitation is 50%.
Wednesday
A chance of rain before 8am. Mostly cloudy, with a high near 66. North wind 3 to 8 mph. Chance of precipitation is 30%.
Wednesday Night
Mostly cloudy, with a low around 46. Northeast wind around 7 mph.
Thursday
A chance of rain after 2pm. Mostly cloudy, with a high near 62. Chance of precipitation is 40%.
Thursday Night
Rain, mainly between 8pm and 2am. Low around 49. Chance of precipitation is 80%.
Friday
A chance of rain before 2pm. Mostly cloudy, with a high near 60. Breezy.
Friday Night
Partly cloudy, with a low around 35. Breezy.
Saturday
Sunny, with a high near 53.
Saturday Night
Mostly clear, with a low around 36.
Sunday
Sunny, with a high near 59.
Sunday Night
Partly cloudy, with a low around 43.
Monday
Mostly sunny, with a high near 65.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Union Lake MI
 42.6°N 83.45°W (Elev. 945 ft)
Last Update:
8:24 pm EDT Oct 12, 2026
Forecast Valid:
11pm EDT Oct 12, 2026-6pm EDT Oct 19, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation