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

Hazardous Weather Conditions

Current conditions at

Pontiac, Oakland County International Airport (KPTK)

Lat: 42.66°NLon: 83.41°WElev: 981ft.

Overcast

78°F

26°C

Humidity 56%
Wind Speed S 13 G 22 mph
Barometer 29.88 in (1011.2 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 26 Aug 4:53 pm EDT
Extended Forecast for

Union Lake MI

  • This Afternoon

    This Afternoon: A chance of showers and thunderstorms. Partly sunny, with a steady temperature around 77. South southwest wind around 13 mph, with gusts as high as 21 mph. Chance of precipitation is 40%.

    High: 77 °F

    Chance
    T-storms

  • Tonight

    Tonight: Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 62. South southwest wind 6 to 9 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 62 °F

    T-storms
    Likely then
    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 80. West northwest wind 7 to 10 mph, with gusts as high as 18 mph.

    High: 80 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 57. North wind 5 to 7 mph.

    Low: 57 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 78. North northwest wind 5 to 7 mph.

    High: 78 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 59.

    Low: 59 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 82.

    High: 82 °F

    Mostly Sunny

  • Saturday Night

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

    Low: 65 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 84.

    High: 84 °F

    Partly Sunny

Detailed Forecast

This Afternoon
A chance of showers and thunderstorms. Partly sunny, with a steady temperature around 77. South southwest wind around 13 mph, with gusts as high as 21 mph. Chance of precipitation is 40%.
Tonight
Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 62. South southwest wind 6 to 9 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
Mostly sunny, with a high near 80. West northwest wind 7 to 10 mph, with gusts as high as 18 mph.
Thursday Night
Partly cloudy, with a low around 57. North wind 5 to 7 mph.
Friday
Mostly sunny, with a high near 78. North northwest wind 5 to 7 mph.
Friday Night
Mostly clear, with a low around 59.
Saturday
Mostly sunny, with a high near 82.
Saturday Night
Partly cloudy, with a low around 65.
Sunday
Partly sunny, with a high near 84.
Sunday Night
A chance of showers after 2am. Mostly cloudy, with a low around 70.
Monday
A chance of showers. Partly sunny, with a high near 89.
Monday Night
Mostly cloudy, with a low around 71.
Tuesday
Partly sunny, with a high near 90.
Tuesday Night
Partly cloudy, with a low around 68.
Wednesday
A chance of showers. Partly 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:
4:24 pm EDT Aug 26, 2026
Forecast Valid:
5pm EDT Aug 26, 2026-6pm EDT Sep 2, 2026
 
Forecast Discussion
 
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Additional Resources

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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