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.

Overcast

54°F

12°C

Humidity 83%
Wind Speed SW 14 G 23 mph
Barometer 29.56 in (1000.7 mb)
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Wind Chill50°F (10°C)
Last update 4 Nov 3:53 pm CST
Extended Forecast for

Green Lake WI

  • This Afternoon

    This Afternoon: A slight chance of rain before 5pm, then a chance of sprinkles after 5pm. Cloudy, with a steady temperature around 54. Southwest wind around 15 mph. Chance of precipitation is 20%.

    High: 54 °F

    Slight Chance
    Rain

  • Tonight

    Tonight: A chance of sprinkles before midnight, then rain likely, mainly after 5am. Cloudy, with a low around 46. Southwest wind 10 to 15 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 46 °F

    Cloudy then
    Rain Likely

  • Thursday

    Thursday: Rain likely, mainly before noon. Cloudy, with a high near 51. Southwest wind 10 to 15 mph becoming north in the afternoon. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 51 °F

    Rain Likely
    then Slight
    Chance Rain

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 34. North wind around 15 mph.

    Low: 34 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 46. North wind 5 to 15 mph.

    High: 46 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 26. North wind around 5 mph becoming calm.

    Low: 26 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 51. Calm wind becoming west around 5 mph in the afternoon.

    High: 51 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 31. West wind around 5 mph.

    Low: 31 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 57.

    High: 57 °F

    Sunny

Detailed Forecast

This Afternoon
A slight chance of rain before 5pm, then a chance of sprinkles after 5pm. Cloudy, with a steady temperature around 54. Southwest wind around 15 mph. Chance of precipitation is 20%.
Tonight
A chance of sprinkles before midnight, then rain likely, mainly after 5am. Cloudy, with a low around 46. Southwest wind 10 to 15 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Rain likely, mainly before noon. Cloudy, with a high near 51. Southwest wind 10 to 15 mph becoming north in the afternoon. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
Mostly cloudy, with a low around 34. North wind around 15 mph.
Friday
Mostly sunny, with a high near 46. North wind 5 to 15 mph.
Friday Night
Mostly clear, with a low around 26. North wind around 5 mph becoming calm.
Saturday
Sunny, with a high near 51. Calm wind becoming west around 5 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 31. West wind around 5 mph.
Sunday
Sunny, with a high near 57.
Sunday Night
Mostly clear, with a low around 32.
Monday
Mostly sunny, with a high near 61.
Monday Night
Mostly clear, with a low around 37.
Tuesday
Sunny, with a high near 59.
Tuesday Night
Partly cloudy, with a low around 34.
Veterans Day
Mostly sunny, with a high near 58.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Green Lake WI
 43.84°N 88.97°W (Elev. 801 ft)
Last Update:
2:31 pm CST Nov 4, 2026
Forecast Valid:
4pm CST Nov 4, 2026-6pm CST Nov 11, 2026
 
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