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Williams Bay, Wisconsin Weather Forecast
Williams Bay, Wisconsin Weather
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Weather Forecast for Williams Bay, Wisconsin : Walworth County
Issued: 2:17 pm CST Dec 11, 2025 Latitude: 42.5780721 Longitude: -88.5409333 View on Google Maps

MouseOver for Detail Forecast
Tonight Friday Saturday Sunday Monday Tuesday Wednesday Thursday
Mostly Cloudy on Tonight 30% chance of snow on Friday 20% chance of snow on Saturday Sunny on Sunday Partly Sunny on Monday Partly Sunny on Tuesday Mostly Cloudy on Wednesday 30% chance of rain on Thursday
Low: 10°F High: 24°F High: 4 °F High: 5 °F High: 18°F High: 33°F High: 39°F High: 36°F
Low: -1°F Low: -9°F Low: -7°F Low: 8°F Low: 26°F Low: 29°F  
Mostly Cloudy Snow Snow Sunny Partly Sunny Partly Sunny Mostly Cloudy Rain
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Current Conditions at
BURLINGTON MUNICIPAL AIR - (KBUU)
19°
Partly Cloudy
as of 5:55 PM CST
Rel. Humidity: 73%
Dew Point: 12°F
Visibility: 10 Miles
Pressure: 29.99 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Scattered at 11000ft
Current Conditions at
JANESVILLE - (KJVL)
21°
Mostly Cloudy
as of 5:45 PM CST
Rel. Humidity: 79%
Dew Point: 16°F
Visibility: 10 Miles
Pressure: 29.98 in.
Flight Rule: VFR
Wind Data
5 MPH
090° East
Cloud Level(s): Broken at 12000ft
Current Conditions at
KENOSHA - (KENW)
21°
Clear
as of 5:53 PM CST
Rel. Humidity: 67%
Dew Point: 12°F
Visibility: 10 Miles
Pressure: 30.01 in.
Flight Rule: VFR
Wind Data
3 MPH
050° Northeast
Cloud Level(s): Clear
Current Conditions at
WAUKESHA - (KUES)
19°
Mostly Cloudy
as of 5:45 PM CST
Rel. Humidity: 73%
Dew Point: 12°F
Visibility: 10 Miles
Pressure: 30.00 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Broken at 12000ft
Mostly Cloudy on Tonight Tonight... Mostly cloudy, with a low around 10. Calm wind.

30% chance of snow Friday Friday... A 30 percent chance of snow, mainly between 9am and 3pm. Mostly cloudy, with a high near 24. Light and variable wind becoming west 5 to 10 mph in the morning.

20% chance of snow Friday Night Friday Night... A 20 percent chance of snow before midnight. Mostly cloudy, with a low around -1. Wind chill values between -5 and -15. West wind 10 to 15 mph.

20% chance of snow Saturday Saturday... A 20 percent chance of snow. Mostly cloudy and cold, with a high near 4. Wind chill values between -10 and -15. Northwest wind around 10 mph.

Mostly Clear on Saturday Night Saturday Night... Mostly clear, with a low around -9. Northwest wind around 10 mph.

Sunny on Sunday Sunday... Sunny and cold, with a high near 5. Northwest wind 5 to 10 mph.

Cloudy on Sunday Night Sunday Night... Partly cloudy, with a low around -7. Southwest wind 5 to 10 mph.

Partly Sunny on Monday Monday... Partly sunny, with a high near 18. Southwest wind 10 to 15 mph.

Mostly Cloudy on Monday Night Monday Night... Mostly cloudy, with a low around 8.

Partly Sunny on Tuesday Tuesday... Partly sunny, with a high near 33.

Mostly Cloudy on Tuesday Night Tuesday Night... Mostly cloudy, with a low around 26.

Mostly Cloudy on Wednesday Wednesday... Mostly cloudy, with a high near 39.

40% chance of rain Wednesday Night Wednesday Night... A 40 percent chance of rain. Mostly cloudy, with a low around 29.

30% chance of rain Thursday Thursday... A 30 percent chance of rain. Mostly cloudy, with a high near 36.

Current Radar Image


Sun Almanac for Williams Bay, Wisconsin
Sunrise: 07:14 AM
Sunset: 4:21 PM
Civil Sunrise:06:42 AM
Civil Sunset: 4:53 PM
Nautical Sunrise: 06:07 AM
Nautical Sunset: 5:28 PM
Astro Sunrise: 05:33 AM
Astro Sunset: 6:03 PM
Any use of the information on this page is at your own risk. This information should not be relied upon in life-threatening situations, potential financial loss situations or in lieu of any officially disseminated information. Visit the National Weather Service for official information.