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

Hazardous Weather Conditions

Current conditions at

Mason, Mason Jewett Field Airport (KTEW)

Lat: 42.57°NLon: 84.42°WElev: 919ft.

Partly Cloudy

62°F

17°C

Humidity 100%
Wind Speed Calm
Barometer 29.95 in
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Last update 20 Jun 12:15 am EDT
Extended Forecast for

Onondaga MI

  • Overnight

    Overnight: Mostly clear, with a low around 60. Southwest wind around 5 mph.

    Low: 60 °F

    Mostly Clear

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms after 2pm. Increasing clouds, with a high near 83. West southwest wind 6 to 13 mph, with gusts as high as 22 mph.

    High: 83 °F

    Mostly Sunny
    then Chance
    Showers

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms, mainly after 2am. Mostly cloudy, with a low around 68. South southwest wind 7 to 9 mph, with gusts as high as 20 mph.

    Low: 68 °F

    Chance
    T-storms

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms before 8am. Mostly sunny and hot, with a high near 91. Heat index values as high as 97. South southwest wind 10 to 15 mph, with gusts as high as 26 mph.

    High: 91 °F

    Chance
    T-storms then
    Mostly Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 75. Southwest wind 11 to 14 mph, with gusts as high as 28 mph.

    Low: 75 °F

    Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 94.

    High: 94 °F

    Hot

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 74.

    Low: 74 °F

    Mostly Clear

  • Monday

    Monday: Sunny and hot, with a high near 95.

    High: 95 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 73.

    Low: 73 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 60. Southwest wind around 5 mph.
Friday
A 30 percent chance of showers and thunderstorms after 2pm. Increasing clouds, with a high near 83. West southwest wind 6 to 13 mph, with gusts as high as 22 mph.
Friday Night
A 30 percent chance of showers and thunderstorms, mainly after 2am. Mostly cloudy, with a low around 68. South southwest wind 7 to 9 mph, with gusts as high as 20 mph.
Saturday
A 30 percent chance of showers and thunderstorms before 8am. Mostly sunny and hot, with a high near 91. Heat index values as high as 97. South southwest wind 10 to 15 mph, with gusts as high as 26 mph.
Saturday Night
Clear, with a low around 75. Southwest wind 11 to 14 mph, with gusts as high as 28 mph.
Sunday
Sunny and hot, with a high near 94.
Sunday Night
Mostly clear, with a low around 74.
Monday
Sunny and hot, with a high near 95.
Monday Night
Mostly clear, with a low around 73.
Tuesday
A chance of showers after 2pm. Mostly sunny and hot, with a high near 92.
Tuesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 69.
Wednesday
A chance of showers and thunderstorms. Partly sunny, with a high near 87.
Wednesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 67.
Thursday
A chance of showers. Mostly sunny, with a high near 87.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Onondaga MI
 42.45°N 84.56°W (Elev. 899 ft)
Last Update:
12:03 am EDT Jun 20, 2025
Forecast Valid:
12am EDT Jun 20, 2025-6pm EDT Jun 26, 2025
 
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