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

60°F

16°C

Humidity 74%
Wind Speed W 13 mph
Barometer 29.85 in
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 19 Jun 7:53 am EDT
Extended Forecast for

Union Lake MI

  • Juneteenth

    Juneteenth: Sunny, with a high near 74. West northwest wind 8 to 15 mph, with gusts as high as 24 mph.

    High: 74 °F

    Sunny

  • Tonight

    Tonight: A chance of showers after 5am. Partly cloudy, with a low around 52. West northwest wind 5 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 30%.

    Low: 52 °F

    Mostly Clear
    then Chance
    Showers

  • Saturday

    Saturday: A chance of showers before 2pm, then a chance of showers and thunderstorms between 2pm and 4pm. Mostly sunny, with a high near 75. Light west southwest wind becoming west 6 to 11 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 50%.

    High: 75 °F

    Chance
    Showers then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 53. West northwest wind 5 to 9 mph becoming light after midnight. Winds could gust as high as 18 mph.

    Low: 53 °F

    Mostly Clear

  • Sunday

    Sunday: Increasing clouds, with a high near 75. Calm wind becoming west southwest around 5 mph in the afternoon.

    High: 75 °F

    Increasing
    Clouds

  • Sunday Night

    Sunday Night: Showers, mainly after 8pm. Low around 55. Chance of precipitation is 80%.

    Low: 55 °F

    Showers

  • Monday

    Monday: Showers, mainly before 8am. High near 72. Chance of precipitation is 80%.

    High: 72 °F

    Showers then
    Chance
    Showers

  • Monday Night

    Monday Night: Partly cloudy, with a low around 52.

    Low: 52 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 75.

    High: 75 °F

    Mostly Sunny

Detailed Forecast

Juneteenth
Sunny, with a high near 74. West northwest wind 8 to 15 mph, with gusts as high as 24 mph.
Tonight
A chance of showers after 5am. Partly cloudy, with a low around 52. West northwest wind 5 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 30%.
Saturday
A chance of showers before 2pm, then a chance of showers and thunderstorms between 2pm and 4pm. Mostly sunny, with a high near 75. Light west southwest wind becoming west 6 to 11 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 50%.
Saturday Night
Mostly clear, with a low around 53. West northwest wind 5 to 9 mph becoming light after midnight. Winds could gust as high as 18 mph.
Sunday
Increasing clouds, with a high near 75. Calm wind becoming west southwest around 5 mph in the afternoon.
Sunday Night
Showers, mainly after 8pm. Low around 55. Chance of precipitation is 80%.
Monday
Showers, mainly before 8am. High near 72. Chance of precipitation is 80%.
Monday Night
Partly cloudy, with a low around 52.
Tuesday
Mostly sunny, with a high near 75.
Tuesday Night
Partly cloudy, with a low around 55.
Wednesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 76.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 55.
Thursday
A chance of showers. Mostly sunny, with a high near 76.
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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:
4:24 am EDT Jun 19, 2026
Forecast Valid:
7am EDT Jun 19, 2026-6pm EDT Jun 25, 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