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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: 4:16 am CST Dec 15, 2025 Latitude: 42.5780721 Longitude: -88.5409333 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Tuesday Wednesday Thursday Friday Saturday Sunday
Mostly Cloudy on Today Mostly Cloudy on Tonight Partly Sunny on Tuesday Mostly Sunny on Wednesday 70% chance of rain & snow on Thursday Partly Sunny on Friday Mostly Cloudy on Saturday Mostly Sunny on Sunday
High: 22°F Low: 11°F High: 34°F High: 35°F High: 40 °F High: 26°F High: 37°F High: 29°F
Low: 27°F Low: 37 °F Low: 4 °F Low: 18°F Low: 17°F  
Mostly Cloudy Mostly Cloudy Partly Sunny Mostly Sunny Rain & Snow Partly Sunny Mostly Cloudy Mostly Sunny
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Current Conditions at
BURLINGTON MUNICIPAL AIR - (KBUU)
Partly Cloudy
as of 4:15 AM CST
Visibility: 10 Miles
Pressure: 30.28 in.
Flight Rule: VFR
Wind Data
10 MPH
190° South
Cloud Level(s): Scattered at 12000ft
Current Conditions at
JANESVILLE - (KJVL)
Feels like -11°F
Clear
as of 4:15 AM CST
Rel. Humidity: 71%
Dew Point: -0°F
Visibility: 10 Miles
Pressure: 30.26 in.
Flight Rule: VFR
Wind Data
16 MPH
Gust: 20 MPH
190° South
Cloud Level(s): Clear
Current Conditions at
WAUKESHA - (KUES)
Feels like -4°F
Partly Cloudy
as of 4:15 AM CST
Rel. Humidity: 55%
Dew Point: -4°F
Visibility: 10 Miles
Pressure: 30.26 in.
Flight Rule: VFR
Wind Data
9 MPH
190° South
Cloud Level(s): Scattered at 12000ft
Mostly Cloudy on Today Today... Mostly cloudy, with a high near 22. Wind chill values between -5 and -15. Breezy, with a southwest wind 15 to 20 mph decreasing to 5 to 10 mph in the afternoon. Winds could gust as high as 30 mph.

Mostly Cloudy on Tonight Tonight... Mostly cloudy, with a low around 11. West wind around 5 mph becoming calm.

Partly Sunny on Tuesday Tuesday... Partly sunny, with a high near 34. Southwest wind 5 to 15 mph, with gusts as high as 25 mph.

Mostly Cloudy on Tuesday Night Tuesday Night... Mostly cloudy, with a low around 27. West wind 5 to 15 mph, with gusts as high as 25 mph.

Mostly Sunny on Wednesday Wednesday... Mostly sunny, with a high near 35. West wind 5 to 10 mph becoming south in the afternoon.

60% chance of rain Wednesday Night Wednesday Night... Rain likely after midnight. Cloudy, with a temperature rising to around 37 by 5am. Breezy, with a south wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

70% chance of rain & snow Thursday Thursday... Rain likely before noon, then a slight chance of rain and snow. Mostly cloudy, with a temperature rising to near 40 by 9am, then falling to around 25 during the remainder of the day. Breezy, with a south wind 15 to 20 mph becoming west in the afternoon. Winds could gust as high as 35 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

20% chance of snow Thursday Night Thursday Night... A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 4. Breezy, with a northwest wind 15 to 20 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 30 mph.

Partly Sunny on Friday Friday... Partly sunny, with a high near 26.

Mostly Cloudy on Friday Night Friday Night... Mostly cloudy, with a low around 18.

Mostly Cloudy on Saturday Saturday... Mostly cloudy, with a high near 37.

Mostly Cloudy on Saturday Night Saturday Night... Mostly cloudy, with a low around 17.

Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 29.

Current Radar Image


Sun Almanac for Williams Bay, Wisconsin
Sunrise: 07:17 AM
Sunset: 4:22 PM
Civil Sunrise:06:45 AM
Civil Sunset: 4:54 PM
Nautical Sunrise: 06:10 AM
Nautical Sunset: 5:29 PM
Astro Sunrise: 05:35 AM
Astro Sunset: 6:04 PM
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