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

76°F

24°C

Humidity 79%
Wind Speed Calm
Barometer 30.02 in (1015.1 mb)
Dewpoint 69°F (21°C)
Visibility 9.00 mi
Heat Index77°F (25°C)
Last update 14 Jul 8:53 pm CDT
Extended Forecast for

2 Miles SE Green Lake WI

  • Tonight

    Tonight: Clear, with a low around 67. South wind around 5 mph.

    Low: 67 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 87. Southwest wind 5 to 10 mph.

    High: 87 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 69. South wind around 5 mph.

    Low: 69 °F

    Mostly Clear

  • Wednesday

    Wednesday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 84. South wind 5 to 10 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    High: 84 °F

    Chance
    T-storms then
    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 60. North wind around 5 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 60 °F

    Showers
    Likely

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 71. North wind around 10 mph.

    High: 71 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 54. Northeast wind around 5 mph.

    Low: 54 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 75. East wind around 5 mph.

    High: 75 °F

    Sunny

  • Friday Night

    Friday Night: A 20 percent chance of showers after 1am. Partly cloudy, with a low around 59.

    Low: 59 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

Detailed Forecast

Tonight
Clear, with a low around 67. South wind around 5 mph.
Tuesday
Sunny, with a high near 87. Southwest wind 5 to 10 mph.
Tuesday Night
Mostly clear, with a low around 69. South wind around 5 mph.
Wednesday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 84. South wind 5 to 10 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 60. North wind around 5 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.
Thursday
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 71. North wind around 10 mph.
Thursday Night
Partly cloudy, with a low around 54. Northeast wind around 5 mph.
Friday
Sunny, with a high near 75. East wind around 5 mph.
Friday Night
A 20 percent chance of showers after 1am. Partly cloudy, with a low around 59.
Saturday
A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 78. Chance of precipitation is 40%.
Saturday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 62.
Sunday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 78.
Sunday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 61.
Monday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 79.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SE Green Lake WI
 43.81°N 88.94°W (Elev. 850 ft)
Last Update:
9:08 pm CDT Jul 14, 2025
Forecast Valid:
9pm CDT Jul 14, 2025-6pm CDT Jul 21, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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