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

Hazardous Weather Conditions

Current conditions at

Wittman Regional Airport (KOSH)

Lat: 43.97°NLon: 88.56°WElev: 801ft.

Overcast

49°F

9°C

Humidity 64%
Wind Speed E 6 mph
Barometer 30.26 in (1024.6 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Wind Chill46°F (8°C)
Last update 22 May 1:53 am CDT
Extended Forecast for

3 Miles SSW Green Lake WI

  • Overnight

    Overnight: Mostly cloudy, with a low around 43. East wind around 10 mph.

    Low: 43 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 64. East wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 64 °F

    Partly Sunny

  • Friday Night

    Friday Night: A 20 percent chance of showers after 4am. Mostly cloudy, with a low around 48. East wind 10 to 15 mph.

    Low: 48 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Saturday

    Saturday: Partly sunny, with a high near 69. East wind 5 to 10 mph.

    High: 69 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of showers. Partly cloudy during the early evening, then becoming cloudy, with a low around 49. Southeast wind around 5 mph becoming south after midnight.

    Low: 49 °F

    Slight Chance
    Showers

  • Sunday

    Sunday: Mostly cloudy, then gradually becoming sunny, with a high near 75. West wind around 5 mph.

    High: 75 °F

    Decreasing
    Clouds

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 51. South wind around 5 mph.

    Low: 51 °F

    Mostly Clear

  • Memorial Day

    Memorial Day: Sunny, with a high near 82. South wind 5 to 10 mph.

    High: 82 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 54.

    Low: 54 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 43. East wind around 10 mph.
Friday
Partly sunny, with a high near 64. East wind 10 to 15 mph, with gusts as high as 25 mph.
Friday Night
A 20 percent chance of showers after 4am. Mostly cloudy, with a low around 48. East wind 10 to 15 mph.
Saturday
Partly sunny, with a high near 69. East wind 5 to 10 mph.
Saturday Night
A 20 percent chance of showers. Partly cloudy during the early evening, then becoming cloudy, with a low around 49. Southeast wind around 5 mph becoming south after midnight.
Sunday
Mostly cloudy, then gradually becoming sunny, with a high near 75. West wind around 5 mph.
Sunday Night
Mostly clear, with a low around 51. South wind around 5 mph.
Memorial Day
Sunny, with a high near 82. South wind 5 to 10 mph.
Monday Night
Mostly clear, with a low around 54.
Tuesday
Sunny, with a high near 86.
Tuesday Night
A 20 percent chance of showers. Partly cloudy, with a low around 55.
Wednesday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 82.
Wednesday Night
Partly cloudy, with a low around 54.
Thursday
A 20 percent chance of showers. Sunny, with a high near 81.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSW Green Lake WI
 43.79°N 88.97°W (Elev. 850 ft)
Last Update:
2:36 am CDT May 22, 2026
Forecast Valid:
2am CDT May 22, 2026-6pm CDT May 28, 2026
 
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Additional Resources

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Chance of Precipitation