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.

A Few Clouds

63°F

17°C

Humidity 86%
Wind Speed N 9 mph
Barometer 29.89 in
Dewpoint 59°F (15°C)
Visibility 9.00 mi
Last update 29 Jul 5:53 am EDT
Extended Forecast for

Union Lake MI

  • Today

    Today: Sunny, with a high near 80. North wind 7 to 13 mph, with gusts as high as 22 mph.

    High: 80 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 58. North wind 5 to 9 mph becoming calm in the evening.

    Low: 58 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 84. North wind 6 to 9 mph.

    High: 84 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 62. North northeast wind around 5 mph becoming calm in the evening.

    Low: 62 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 86. Calm wind becoming south southwest around 6 mph in the afternoon.

    High: 86 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A chance of showers. Cloudy, with a low around 65. Chance of precipitation is 30%.

    Low: 65 °F

    Chance
    Showers

  • Saturday

    Saturday: A chance of showers after 2pm. Mostly cloudy, with a high near 81. Chance of precipitation is 30%.

    High: 81 °F

    Mostly Cloudy
    then Chance
    Showers

  • Saturday Night

    Saturday Night: A chance of showers before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a chance of showers after 2am. Mostly cloudy, with a low around 62.

    Low: 62 °F

    Chance
    T-storms

  • Sunday

    Sunday: A chance of showers after 2pm. Partly sunny, with a high near 82.

    High: 82 °F

    Partly Sunny
    then Chance
    Showers

Detailed Forecast

Today
Sunny, with a high near 80. North wind 7 to 13 mph, with gusts as high as 22 mph.
Tonight
Mostly clear, with a low around 58. North wind 5 to 9 mph becoming calm in the evening.
Thursday
Sunny, with a high near 84. North wind 6 to 9 mph.
Thursday Night
Mostly clear, with a low around 62. North northeast wind around 5 mph becoming calm in the evening.
Friday
Mostly sunny, with a high near 86. Calm wind becoming south southwest around 6 mph in the afternoon.
Friday Night
A chance of showers. Cloudy, with a low around 65. Chance of precipitation is 30%.
Saturday
A chance of showers after 2pm. Mostly cloudy, with a high near 81. Chance of precipitation is 30%.
Saturday Night
A chance of showers before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a chance of showers after 2am. Mostly cloudy, with a low around 62.
Sunday
A chance of showers after 2pm. Partly sunny, with a high near 82.
Sunday Night
A chance of showers before 8pm. Partly cloudy, with a low around 61.
Monday
Mostly sunny, with a high near 84.
Monday Night
Partly cloudy, with a low around 63.
Tuesday
A chance of showers. Sunny, with a high near 87.
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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:
4:22 am EDT Jul 29, 2026
Forecast Valid:
6am EDT Jul 29, 2026-6pm EDT Aug 4, 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