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

Wittman Regional Airport (KOSH)

Lat: 43.97°NLon: 88.56°WElev: 801ft.

Fair

60°F

16°C

Humidity 86%
Wind Speed Calm
Barometer 30.05 in (1016.8 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 27 Jun 3:53 am CDT
Extended Forecast for

Green Lake WISimilar City Names

  • Today

    Today: Sunny, with a high near 77. East wind 5 to 10 mph.

    High: 77 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 57. East wind 5 to 10 mph.

    Low: 57 °F

    Mostly Clear

  • Sunday

    Sunday: A slight chance of showers between 2pm and 3pm. Increasing clouds, with a high near 81. Southeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

    High: 81 °F

    Sunny then
    Slight Chance
    Showers

  • Sunday Night

    Sunday Night: A slight chance of thunderstorms before 7pm, then a chance of showers and thunderstorms between 7pm and 4am, then a chance of showers after 4am. Partly cloudy, with a low around 70. Southeast wind around 15 mph. Chance of precipitation is 30%.

    Low: 70 °F

    Chance
    Showers

  • Monday

    Monday: Mostly sunny and hot, with a high near 93. South wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 93 °F

    Hot

  • Monday Night

    Monday Night: Partly cloudy, with a low around 74. South wind around 15 mph, with gusts as high as 30 mph.

    Low: 74 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny and hot, with a high near 93. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 93 °F

    Hot

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms. Mostly clear, with a low around 73. Southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.

    Low: 73 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 91.

    High: 91 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

Detailed Forecast

Today
Sunny, with a high near 77. East wind 5 to 10 mph.
Tonight
Mostly clear, with a low around 57. East wind 5 to 10 mph.
Sunday
A slight chance of showers between 2pm and 3pm. Increasing clouds, with a high near 81. Southeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Sunday Night
A slight chance of thunderstorms before 7pm, then a chance of showers and thunderstorms between 7pm and 4am, then a chance of showers after 4am. Partly cloudy, with a low around 70. Southeast wind around 15 mph. Chance of precipitation is 30%.
Monday
Mostly sunny and hot, with a high near 93. South wind 10 to 15 mph, with gusts as high as 25 mph.
Monday Night
Partly cloudy, with a low around 74. South wind around 15 mph, with gusts as high as 30 mph.
Tuesday
Mostly sunny and hot, with a high near 93. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday Night
A chance of showers and thunderstorms. Mostly clear, with a low around 73. Southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.
Wednesday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 91.
Wednesday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 72.
Thursday
A 30 percent chance of showers and thunderstorms. Sunny and hot, with a high near 92.
Thursday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70.
Friday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Green Lake WISimilar City Names
 43.84°N 88.97°W (Elev. 801 ft)
Last Update:
2:37 am CDT Jun 27, 2026
Forecast Valid:
4am CDT Jun 27, 2026-6pm CDT Jul 3, 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