Hazardous Weather Conditions
Current conditions at
Wittman Regional Airport (KOSH)
Lat: 43.97°NLon: 88.56°WElev: 801ft.
Fair
79°F
26°C
| Humidity | 44% |
| Wind Speed | E 12 mph |
| Barometer | 30.13 in (1018.9 mb) |
| Dewpoint | 55°F (13°C) |
| Visibility | 10.00 mi |
| Heat Index | 80°F (27°C) |
| Last update | 14 Aug 3:53 pm CDT |
Extended Forecast for
Green Lake WI
Tonight
Low: 62 °F
Mostly Cloudy
then Chance
ShowersSaturday
High: 79 °F
Chance
T-storms then
Chance
ShowersSaturday Night
Low: 67 °F
Slight Chance
T-storms then
Chance
ShowersSunday

High: 80 °F
Mostly Sunny
Sunday Night

Low: 58 °F
Mostly Clear
Monday

High: 78 °F
Sunny
Monday Night

Low: 60 °F
Mostly Clear
Tuesday
High: 79 °F
Partly Sunny
then Chance
T-stormsTuesday Night

Low: 61 °F
Showers
Detailed Forecast
Tonight
A chance of showers, with thunderstorms also possible after 4am. Mostly cloudy, with a low around 62. East wind around 10 mph. Chance of precipitation is 40%.
Saturday
A 50 percent chance of showers and thunderstorms, mainly between 4pm and 5pm. Mostly cloudy, with a high near 79. East wind 5 to 10 mph.
Saturday Night
A 40 percent chance of showers and thunderstorms, mainly between 1am and 3am. Mostly cloudy, with a low around 67. South wind around 5 mph becoming west after midnight.
Sunday
Mostly sunny, with a high near 80. Northwest wind 5 to 10 mph.
Sunday Night
Mostly clear, with a low around 58. Northwest wind around 5 mph becoming calm after midnight.
Monday
Sunny, with a high near 78. Calm wind becoming west around 5 mph in the afternoon.
Monday Night
Mostly clear, with a low around 60. Southwest wind around 5 mph.
Tuesday
A 40 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 79. Southwest wind 5 to 10 mph.
Tuesday Night
Showers and possibly a thunderstorm. Low around 61. Chance of precipitation is 80%.
Wednesday
A 30 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 75.
Wednesday Night
Partly cloudy, with a low around 56.
Thursday
Mostly sunny, with a high near 73.
Thursday Night
Partly cloudy, with a low around 56.
Friday
A 20 percent chance of showers. Mostly sunny, with a high near 74.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Green Lake WI
43.83°N 88.94°W (Elev. 869 ft)
43.83°N 88.94°W (Elev. 869 ft)
2:46 pm CDT Aug 14, 2026
4pm CDT Aug 14, 2026-6pm CDT Aug 21, 2026



