National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Fair

45°F

7°C

Humidity 71%
Wind Speed W 5 mph
Barometer 30.00 in
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Wind Chill42°F (6°C)
Last update 8 Nov 6:45 pm CST
Extended Forecast for

Whitewater WI

  • Tonight

    Tonight: Mostly clear, with a low around 35. Northwest wind around 5 mph becoming calm in the evening.

    Low: 35 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 58. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.

    High: 58 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 39. Southwest wind 5 to 10 mph becoming northwest after midnight.

    Low: 39 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 59. Calm wind becoming northwest around 5 mph.

    High: 59 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 36. Calm wind.

    Low: 36 °F

    Partly Cloudy

  • Veterans Day

    Veterans Day: A 40 percent chance of rain. Mostly cloudy, with a high near 52. Light north wind increasing to 5 to 10 mph in the afternoon.

    High: 52 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 33. North wind 5 to 10 mph.

    Low: 33 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 42. North wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 42 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 26.

    Low: 26 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 35. Northwest wind around 5 mph becoming calm in the evening.
Monday
Mostly sunny, with a high near 58. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.
Monday Night
Mostly clear, with a low around 39. Southwest wind 5 to 10 mph becoming northwest after midnight.
Tuesday
Sunny, with a high near 59. Calm wind becoming northwest around 5 mph.
Tuesday Night
Partly cloudy, with a low around 36. Calm wind.
Veterans Day
A 40 percent chance of rain. Mostly cloudy, with a high near 52. Light north wind increasing to 5 to 10 mph in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 33. North wind 5 to 10 mph.
Thursday
Mostly cloudy, with a high near 42. North wind 10 to 15 mph, with gusts as high as 25 mph.
Thursday Night
Partly cloudy, with a low around 26.
Friday
Mostly sunny, with a high near 41.
Friday Night
Mostly clear, with a low around 26.
Saturday
Sunny, with a high near 43.
Saturday Night
Mostly clear, with a low around 31.
Sunday
Mostly sunny, with a high near 48.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Whitewater WI
 42.83°N 88.73°W (Elev. 840 ft)
Last Update:
7:36 pm CST Nov 8, 2026
Forecast Valid:
7pm CST Nov 8, 2026-6pm CST Nov 15, 2026
 
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