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.

Overcast

73°F

23°C

Humidity 59%
Wind Speed S 3 mph
Barometer 30.11 in (1019.0 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Last update 29 Aug 9:53 pm EDT
Extended Forecast for

Union Lake MI

  • Tonight

    Tonight: A chance of showers before 1am, then a slight chance of showers after 4am. Mostly cloudy, with a low around 67. South southwest wind 3 to 6 mph. Chance of precipitation is 30%.

    Low: 67 °F

    Chance
    Showers

  • Sunday

    Sunday: Showers likely, with thunderstorms also possible after 5pm. Mostly cloudy, with a high near 83. South southwest wind 6 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    High: 83 °F

    Showers
    Likely then
    Chance
    Showers

  • Sunday Night

    Sunday Night: A chance of showers between 8pm and 10pm. Mostly cloudy, with a low around 69. South southwest wind 3 to 6 mph. Chance of precipitation is 40%.

    Low: 69 °F

    Chance
    Showers then
    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 88. Southwest wind 5 to 9 mph, with gusts as high as 18 mph.

    High: 88 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 72. South southwest wind around 7 mph.

    Low: 72 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 91.

    High: 91 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 73.

    Low: 73 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 92.

    High: 92 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A chance of showers after 8pm. Partly cloudy, with a low around 70.

    Low: 70 °F

    Chance
    Showers

Detailed Forecast

Tonight
A chance of showers before 1am, then a slight chance of showers after 4am. Mostly cloudy, with a low around 67. South southwest wind 3 to 6 mph. Chance of precipitation is 30%.
Sunday
Showers likely, with thunderstorms also possible after 5pm. Mostly cloudy, with a high near 83. South southwest wind 6 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Sunday Night
A chance of showers between 8pm and 10pm. Mostly cloudy, with a low around 69. South southwest wind 3 to 6 mph. Chance of precipitation is 40%.
Monday
Partly sunny, with a high near 88. Southwest wind 5 to 9 mph, with gusts as high as 18 mph.
Monday Night
Mostly cloudy, with a low around 72. South southwest wind around 7 mph.
Tuesday
Partly sunny, with a high near 91.
Tuesday Night
Mostly cloudy, with a low around 73.
Wednesday
Mostly sunny, with a high near 92.
Wednesday Night
A chance of showers after 8pm. Partly cloudy, with a low around 70.
Thursday
Mostly sunny, with a high near 85.
Thursday Night
Partly cloudy, with a low around 64.
Friday
Mostly sunny, with a high near 83.
Friday Night
Partly cloudy, with a low around 63.
Saturday
Mostly sunny, with a high near 83.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Union Lake MI
 42.62°N 83.45°W (Elev. 951 ft)
Last Update:
9:49 pm EDT Aug 29, 2026
Forecast Valid:
10pm EDT Aug 29, 2026-6pm EDT Sep 5, 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