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.

A Few Clouds

57°F

14°C

Humidity 74%
Wind Speed NW 10 mph
Barometer 30.00 in (1015.3 mb)
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Last update 24 Aug 10:53 pm CDT
Extended Forecast for

Berlin WI

  • Tonight

    Tonight: Partly cloudy, with a low around 47. West wind around 5 mph.

    Low: 47 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 68. Northwest wind 5 to 10 mph.

    High: 68 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 43. Northwest wind around 5 mph becoming calm in the evening.

    Low: 43 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 71. Northwest wind around 5 mph.

    High: 71 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 45. Northwest wind around 5 mph becoming calm.

    Low: 45 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 73. Southwest wind 5 to 10 mph.

    High: 73 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers, mainly after 1am. Partly cloudy, with a low around 53. Southwest wind around 5 mph.

    Low: 53 °F

    Chance
    Showers

  • Thursday

    Thursday: A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 72. West wind 5 to 10 mph becoming northeast in the afternoon. Chance of precipitation is 30%.

    High: 72 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 48.

    Low: 48 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 47. West wind around 5 mph.
Monday
Mostly sunny, with a high near 68. Northwest wind 5 to 10 mph.
Monday Night
Partly cloudy, with a low around 43. Northwest wind around 5 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 71. Northwest wind around 5 mph.
Tuesday Night
Mostly clear, with a low around 45. Northwest wind around 5 mph becoming calm.
Wednesday
Mostly sunny, with a high near 73. Southwest wind 5 to 10 mph.
Wednesday Night
A 30 percent chance of showers, mainly after 1am. Partly cloudy, with a low around 53. Southwest wind around 5 mph.
Thursday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 72. West wind 5 to 10 mph becoming northeast in the afternoon. Chance of precipitation is 30%.
Thursday Night
Partly cloudy, with a low around 48.
Friday
Mostly sunny, with a high near 72.
Friday Night
Partly cloudy, with a low around 50.
Saturday
Mostly sunny, with a high near 72.
Saturday Night
Mostly cloudy, with a low around 52.
Sunday
Mostly sunny, with a high near 73.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Berlin WI
 43.96°N 88.93°W (Elev. 764 ft)
Last Update:
10:08 pm CDT Aug 24, 2025
Forecast Valid:
11pm CDT Aug 24, 2025-6pm CDT Aug 31, 2025
 
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