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.

Light Rain

66°F

19°C

Humidity 87%
Wind Speed S 12 mph
Barometer 29.75 in (1006.3 mb)
Dewpoint 62°F (17°C)
Visibility 9.00 mi
Last update 19 May 3:53 am CDT
Extended Forecast for

2 Miles SE Green Lake WI

  • Overnight

    Overnight: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 64. Breezy, with a south wind around 20 mph, with gusts as high as 30 mph.

    Low: 64 °F

    Chance
    Showers and
    Breezy

  • Tuesday

    Tuesday: A chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and 11am. Mostly cloudy, with a high near 67. Southwest wind around 15 mph becoming west in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 30%.

    High: 67 °F

    Chance
    Showers then
    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 42. Northwest wind 10 to 15 mph.

    Low: 42 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 59. North wind 5 to 10 mph.

    High: 59 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Increasing clouds, with a low around 38. East wind 5 to 10 mph.

    Low: 38 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Partly sunny, with a high near 57. East wind around 10 mph.

    High: 57 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 42. East wind around 10 mph.

    Low: 42 °F

    Mostly Cloudy

  • Friday

    Friday: A 20 percent chance of showers after 1pm. Mostly cloudy, with a high near 61. East wind around 10 mph.

    High: 61 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Friday Night

    Friday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 45.

    Low: 45 °F

    Chance
    Showers

Detailed Forecast

Overnight
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 64. Breezy, with a south wind around 20 mph, with gusts as high as 30 mph.
Tuesday
A chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and 11am. Mostly cloudy, with a high near 67. Southwest wind around 15 mph becoming west in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 30%.
Tuesday Night
Partly cloudy, with a low around 42. Northwest wind 10 to 15 mph.
Wednesday
Mostly sunny, with a high near 59. North wind 5 to 10 mph.
Wednesday Night
Increasing clouds, with a low around 38. East wind 5 to 10 mph.
Thursday
Partly sunny, with a high near 57. East wind around 10 mph.
Thursday Night
Mostly cloudy, with a low around 42. East wind around 10 mph.
Friday
A 20 percent chance of showers after 1pm. Mostly cloudy, with a high near 61. East wind around 10 mph.
Friday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 45.
Saturday
Partly sunny, with a high near 69.
Saturday Night
Partly cloudy, with a low around 48.
Sunday
Mostly sunny, with a high near 76.
Sunday Night
Mostly clear, with a low around 52.
Memorial Day
Mostly sunny, with a high near 81.
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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:
2:36 am CDT May 19, 2026
Forecast Valid:
4am CDT May 19, 2026-6pm CDT May 25, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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