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.

Fair

66°F

19°C

Humidity 87%
Wind Speed NW 9 mph
Barometer 29.94 in (1013.4 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Last update 27 Aug 8:53 am EDT
Extended Forecast for

Union Lake MI

  • Today

    Today: A slight chance of showers after 5pm. Mostly sunny, with a high near 80. West northwest wind around 9 mph. Chance of precipitation is 10%.

    High: 80 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Tonight

    Tonight: A slight chance of showers before 8pm. Partly cloudy, with a low around 58. North northeast wind 5 to 7 mph. Chance of precipitation is 10%.

    Low: 58 °F

    Slight Chance
    Showers then
    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 79. North wind 5 to 7 mph.

    High: 79 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 59. East northeast wind around 5 mph becoming light and variable after midnight.

    Low: 59 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 81. Southwest wind 3 to 8 mph.

    High: 81 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 65.

    Low: 65 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 84.

    High: 84 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: A chance of showers after 8pm. Mostly cloudy, with a low around 69.

    Low: 69 °F

    Chance
    Showers

  • Monday

    Monday: A chance of showers before 2pm. Partly sunny, with a high near 87.

    High: 87 °F

    Chance
    Showers

Detailed Forecast

Today
A slight chance of showers after 5pm. Mostly sunny, with a high near 80. West northwest wind around 9 mph. Chance of precipitation is 10%.
Tonight
A slight chance of showers before 8pm. Partly cloudy, with a low around 58. North northeast wind 5 to 7 mph. Chance of precipitation is 10%.
Friday
Mostly sunny, with a high near 79. North wind 5 to 7 mph.
Friday Night
Partly cloudy, with a low around 59. East northeast wind around 5 mph becoming light and variable after midnight.
Saturday
Mostly sunny, with a high near 81. Southwest wind 3 to 8 mph.
Saturday Night
Mostly cloudy, with a low around 65.
Sunday
Mostly cloudy, with a high near 84.
Sunday Night
A chance of showers after 8pm. Mostly cloudy, with a low around 69.
Monday
A chance of showers before 2pm. Partly sunny, with a high near 87.
Monday Night
A chance of showers after 2am. Mostly cloudy, with a low around 70.
Tuesday
A chance of showers. Mostly sunny, with a high near 88.
Tuesday Night
A chance of showers. Partly cloudy, with a low around 69.
Wednesday
A chance of showers. Partly sunny, with a high near 86.
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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:
4:24 am EDT Aug 27, 2026
Forecast Valid:
9am EDT Aug 27, 2026-6pm EDT Sep 2, 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