Current conditions at

Pontiac, Oakland County International Airport (KPTK)

Lat: 42.66°NLon: 83.41°WElev: 981ft.

Overcast

55°F

13°C

Humidity 82%
Wind Speed S 9 mph
Barometer 29.77 in (1008.2 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Wind Chill53°F (12°C)
Last update 12 May 11:53 pm EDT
Extended Forecast for

Union Lake MI

  • Overnight

    Overnight: Showers likely and possibly a thunderstorm before 2am, then a chance of showers between 2am and 3am.  Mostly cloudy, with a low around 48. Southwest wind around 14 mph, with gusts as high as 25 mph.  Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 48 °F

    Showers
    Likely

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 54. Breezy, with a west wind 15 to 18 mph, with gusts as high as 29 mph.

    High: 54 °F

    Partly Sunny
    then Cloudy
    and Breezy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 42. Northwest wind 11 to 15 mph, with gusts as high as 26 mph.

    Low: 42 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 62. North wind 10 to 13 mph, with gusts as high as 22 mph.

    High: 62 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 43. North wind around 6 mph becoming calm  in the evening.

    Low: 43 °F

    Mostly Clear

  • Friday

    Friday: Partly sunny, with a high near 68.

    High: 68 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 54.

    Low: 54 °F

    Mostly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 54.

    Low: 54 °F

    Partly Cloudy

Detailed Forecast

Overnight
Showers likely and possibly a thunderstorm before 2am, then a chance of showers between 2am and 3am. Mostly cloudy, with a low around 48. Southwest wind around 14 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
Mostly cloudy, with a high near 54. Breezy, with a west wind 15 to 18 mph, with gusts as high as 29 mph.
Wednesday Night
Mostly cloudy, with a low around 42. Northwest wind 11 to 15 mph, with gusts as high as 26 mph.
Thursday
Mostly sunny, with a high near 62. North wind 10 to 13 mph, with gusts as high as 22 mph.
Thursday Night
Mostly clear, with a low around 43. North wind around 6 mph becoming calm in the evening.
Friday
Partly sunny, with a high near 68.
Friday Night
Mostly cloudy, with a low around 54.
Saturday
Sunny, with a high near 81.
Saturday Night
Partly cloudy, with a low around 54.
Sunday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 77.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 60.
Monday
A chance of showers. Mostly sunny, with a high near 86.
Monday Night
A chance of showers. Mostly cloudy, with a low around 63.
Tuesday
A chance of showers. Partly sunny, with a high near 78.
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ABOUT THIS FORECAST

 
Point Forecast:
Union Lake MI
 42.6°N 83.42°W (Elev. 928 ft)
10:13 pm EDT May 12, 2026
1am EDT May 13, 2026-6pm EDT May 19, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database