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.

Mostly Cloudy

58°F

14°C

Humidity 42%
Wind Speed SW 14 G 25 mph
Barometer 29.77 in
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Last update 9 Mar 11:53 am EDT
Extended Forecast for

Union Lake MI

  • This Afternoon

    This Afternoon: Sunny, with a high near 67. Southwest wind around 14 mph, with gusts as high as 25 mph.

    High: 67 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 50. West southwest wind around 6 mph becoming south southeast after midnight.

    Low: 50 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: A chance of rain after 2pm. Mostly cloudy, with a high near 65. South wind 6 to 8 mph becoming west in the afternoon. Chance of precipitation is 30%.

    High: 65 °F

    Mostly Cloudy
    then Chance
    Rain

  • Tuesday Night

    Tuesday Night: A chance of rain and thunderstorms, then rain and possibly a thunderstorm after 8pm. Low around 43. East northeast wind around 8 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 43 °F

    Rain Likely
    then Rain

  • Wednesday

    Wednesday: Rain. High near 51. South southwest wind 8 to 11 mph becoming west northwest in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 51 °F

    Rain

  • Wednesday Night

    Wednesday Night: Rain and snow likely before 11pm, then a chance of snow between 11pm and 2am. Mostly cloudy, with a low around 25. Chance of precipitation is 60%.

    Low: 25 °F

    Rain/Snow
    Likely then
    Chance Snow

  • Thursday

    Thursday: Mostly sunny, with a high near 40.

    High: 40 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A chance of snow after 2am. Increasing clouds, with a low around 29.

    Low: 29 °F

    Mostly Cloudy
    then Chance
    Snow

  • Friday

    Friday: Rain and snow likely, mainly before 2pm. Mostly cloudy, with a high near 43. Breezy.

    High: 43 °F

    Rain/Snow
    Likely and
    Breezy

Detailed Forecast

This Afternoon
Sunny, with a high near 67. Southwest wind around 14 mph, with gusts as high as 25 mph.
Tonight
Increasing clouds, with a low around 50. West southwest wind around 6 mph becoming south southeast after midnight.
Tuesday
A chance of rain after 2pm. Mostly cloudy, with a high near 65. South wind 6 to 8 mph becoming west in the afternoon. Chance of precipitation is 30%.
Tuesday Night
A chance of rain and thunderstorms, then rain and possibly a thunderstorm after 8pm. Low around 43. East northeast wind around 8 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Wednesday
Rain. High near 51. South southwest wind 8 to 11 mph becoming west northwest in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Wednesday Night
Rain and snow likely before 11pm, then a chance of snow between 11pm and 2am. Mostly cloudy, with a low around 25. Chance of precipitation is 60%.
Thursday
Mostly sunny, with a high near 40.
Thursday Night
A chance of snow after 2am. Increasing clouds, with a low around 29.
Friday
Rain and snow likely, mainly before 2pm. Mostly cloudy, with a high near 43. Breezy.
Friday Night
A chance of rain and snow before 8pm. Mostly cloudy, with a low around 23.
Saturday
A chance of snow. Mostly cloudy, with a high near 40.
Saturday Night
Rain and snow likely. Cloudy, with a low around 28.
Sunday
Rain and snow. Cloudy, with a high near 44.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Union Lake MI
 42.62°N 83.45°W (Elev. 951 ft)
Last Update:
10:13 am EDT Mar 9, 2026
Forecast Valid:
12pm EDT Mar 9, 2026-6pm EDT Mar 15, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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