Current conditions at

Wittman Regional Airport (KOSH)

Lat: 43.97°NLon: 88.56°WElev: 801ft.

Fair

44°F

7°C

Humidity 55%
Wind Speed W 12 G 23 mph
Barometer 30.14 in (1020.9 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Wind Chill38°F (3°C)
Last update 9 Apr 11:53 am CDT
Extended Forecast for

Green Lake WI

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 53. West wind around 10 mph.

    High: 53 °F

    Mostly Sunny

  • Tonight

    Tonight: Showers, mainly before 5am.  Low around 37. Northwest wind around 5 mph becoming calm.  Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 37 °F

    Showers

  • Friday

    Friday: A slight chance of showers between 11am and 3pm.  Mostly cloudy, then gradually becoming sunny, with a high near 49. Northwest wind 5 to 10 mph.  Chance of precipitation is 20%.

    High: 49 °F

    Slight Chance
    Showers

  • Friday Night

    Friday Night: Mostly clear, with a low around 31. North wind around 5 mph becoming south after midnight.

    Low: 31 °F

    Mostly Clear

  • Saturday

    Saturday: A 30 percent chance of showers after 4pm.  Mostly sunny, with a high near 56. South wind 5 to 10 mph.

    High: 56 °F

    Sunny then
    Chance
    Showers

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 7pm.  Low around 44. Southeast wind 10 to 15 mph.  Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 44 °F

    Showers

  • Sunday

    Sunday: Showers likely, with thunderstorms also possible after 1pm.  Mostly cloudy, with a high near 71. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph.  Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 71 °F

    Showers
    Likely and
    Breezy

  • Sunday Night

    Sunday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers.  Mostly cloudy, with a low around 60. Breezy, with a southwest wind around 20 mph, with gusts as high as 30 mph.  Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 60 °F

    Showers
    Likely and
    Breezy

  • Monday

    Monday: A slight chance of showers, then a chance of showers and thunderstorms after 1pm.  Mostly cloudy, with a high near 77. Chance of precipitation is 40%.

    High: 77 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 53. West wind around 10 mph.
Tonight
Showers, mainly before 5am. Low around 37. Northwest wind around 5 mph becoming calm. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Friday
A slight chance of showers between 11am and 3pm. Mostly cloudy, then gradually becoming sunny, with a high near 49. Northwest wind 5 to 10 mph. Chance of precipitation is 20%.
Friday Night
Mostly clear, with a low around 31. North wind around 5 mph becoming south after midnight.
Saturday
A 30 percent chance of showers after 4pm. Mostly sunny, with a high near 56. South wind 5 to 10 mph.
Saturday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 7pm. Low around 44. Southeast wind 10 to 15 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Sunday
Showers likely, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 71. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 60. Breezy, with a southwest wind around 20 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 77. Chance of precipitation is 40%.
Monday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 56. Chance of precipitation is 70%.
Tuesday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 67. Chance of precipitation is 70%.
Tuesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 40. Chance of precipitation is 70%.
Wednesday
A 50 percent chance of showers. Mostly cloudy, with a high near 58.
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ABOUT THIS FORECAST

 
Point Forecast:
Green Lake WI
 43.84°N 88.97°W (Elev. 801 ft)
12:31 pm CDT Apr 9, 2026
12pm CDT Apr 9, 2026-6pm CDT Apr 15, 2026
 
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Additional Resources

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