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Oconomowoc Lake, Wisconsin Weather Forecast
Oconomowoc Lake, Wisconsin Weather
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Weather Forecast for Oconomowoc Lake, Wisconsin : Waukesha County
Issued: 10:42 pm CST Dec 17, 2025 Latitude: 43.1044514 Longitude: -88.4592649 View on Google Maps

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Tonight Thursday Friday Saturday Sunday Monday Tuesday Wednesday
60% chance of rain on Tonight 100% chance of rain & snow on Thursday Partly Sunny on Friday 20% chance of rain & snow on Saturday Sunny on Sunday Mostly Cloudy on Monday Partly Sunny on Tuesday Mostly Cloudy on Wednesday
Low: 39 °F High: 41 °F High: 23°F High: 37°F High: 21°F High: 35°F High: 40°F High: 36°F
Low: 8 °F Low: 17 °F Low: 8 °F Low: 16°F Low: 28°F Low: 22°F  
Rain Rain & Snow Partly Sunny Rain & Snow Sunny Mostly Cloudy Partly Sunny Mostly Cloudy
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Current Conditions at
WATERTOWN - (KRYV)
34°
Clear
as of 10:30 PM CST
Rel. Humidity: 80%
Dew Point: 28°F
Visibility: 10 Miles
Pressure: 29.75 in.
Flight Rule: VFR
Wind Data
7 MPH
170° South
Cloud Level(s): Clear
Current Conditions at
WAUKESHA - (KUES)
32°
Clear
as of 10:35 PM CST
Rel. Humidity: 92%
Dew Point: 30°F
Visibility: 10 Miles
Pressure: 29.78 in.
Flight Rule: VFR
Wind Data
8 MPH
170° South
Cloud Level(s): Clear
Current Conditions at
JUNEAU - (KUNU)
32°
Feels like 22°F
Clear
as of 10:28 PM CST
Rel. Humidity: 86%
Dew Point: 28°F
Visibility: 10 Miles
Pressure: 29.75 in.
Flight Rule: VFR
Wind Data
13 MPH
160° South
Cloud Level(s): Clear
Current Conditions at
WEST BEND - (KETB)
36°
Feels like 28°F
Clear
as of 10:35 PM CST
Rel. Humidity: 93%
Dew Point: 34°F
Visibility: 10 Miles
Pressure: 29.76 in.
Flight Rule: VFR
Wind Data
9 MPH
Gust: 16 MPH
190° South
Cloud Level(s): Clear
60% chance of rain Tonight Tonight... Rain likely, mainly after 5am. Cloudy, with a temperature rising to around 39 by 5am. South wind 5 to 10 mph increasing to 10 to 15 mph after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
100% chance of rain & snow Thursday Thursday... Rain before 2pm, then a chance of snow showers after 3pm. Temperature rising to near 41 by 9am, then falling to around 31 during the remainder of the day. South wind around 15 mph becoming west in the afternoon. Winds could gust as high as 35 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.
60% chance of snow Thursday Night Thursday Night... Snow showers likely, mainly before 9pm, then a slight chance of snow after midnight. Mostly cloudy, with a low around 8. Wind chill values between -10 and zero. Breezy, with a west wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Partly Sunny on Friday Friday... Partly sunny, with a high near 23. Wind chill values between -10 and zero. Northwest wind 10 to 15 mph becoming southwest 5 to 10 mph in the afternoon. Winds could gust as high as 30 mph.
Mostly Cloudy on Friday Night Friday Night... Mostly cloudy, with a temperature falling to near 17 by 8pm, then rising to around 28 during the remainder of the night. South wind 5 to 10 mph.
20% chance of rain & snow Saturday Saturday... A slight chance of rain and snow before noon, then a slight chance of snow. Mostly cloudy, with a high near 37. South wind around 10 mph becoming west in the afternoon. Chance of precipitation is 20%.
Mostly Clear on Saturday Night Saturday Night... Mostly clear, with a low around 8. West wind 10 to 15 mph.
Sunny on Sunday Sunday... Sunny, with a high near 21. West wind 5 to 10 mph.
Cloudy on Sunday Night Sunday Night... Partly cloudy, with a steady temperature around 16.
Mostly Cloudy on Monday Monday... Mostly cloudy, with a high near 35.
Mostly Cloudy on Monday Night Monday Night... Mostly cloudy, with a low around 28.
Partly Sunny on Tuesday Tuesday... Partly sunny, with a high near 40.
Mostly Cloudy on Tuesday Night Tuesday Night... Mostly cloudy, with a low around 22.
Mostly Cloudy on Wednesday Wednesday... Mostly cloudy, with a high near 36.
Current Radar Image


Sun Almanac for Oconomowoc Lake, Wisconsin
Sunrise: 07:20 AM
Sunset: 4:20 PM
Civil Sunrise:06:48 AM
Civil Sunset: 4:53 PM
Nautical Sunrise: 06:12 AM
Nautical Sunset: 5:29 PM
Astro Sunrise: 05:37 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.