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.

Partly Cloudy

34°F

1°C

Humidity 100%
Wind Speed Calm
Barometer 30.12 in
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 9 Nov 7:45 am CST
Extended Forecast for

3 Miles WSW Janesville WI

  • Today

    Today: Mostly sunny, with a high near 59. Light southwest wind increasing to 5 to 10 mph in the morning.

    High: 59 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 39. Southwest wind 5 to 10 mph becoming light and variable after midnight.

    Low: 39 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 60. Calm wind becoming northwest around 5 mph.

    High: 60 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 37. Calm wind.

    Low: 37 °F

    Mostly Cloudy

  • Veterans Day

    Veterans Day: A 40 percent chance of showers. Mostly cloudy, with a high near 53. Light and variable wind becoming north 5 to 10 mph in the morning.

    High: 53 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 33. North wind 10 to 15 mph.

    Low: 33 °F

    Mostly Cloudy

  • Thursday

    Thursday: A 20 percent chance of showers before noon. Mostly cloudy, with a high near 43. Breezy, with a north wind 15 to 20 mph, with gusts as high as 25 mph.

    High: 43 °F

    Breezy.
    Slight Chance
    Showers then
    Mostly Cloudy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 27. North wind 10 to 15 mph.

    Low: 27 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 41.

    High: 41 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 59. Light southwest wind increasing to 5 to 10 mph in the morning.
Tonight
Mostly clear, with a low around 39. Southwest wind 5 to 10 mph becoming light and variable after midnight.
Tuesday
Mostly sunny, with a high near 60. Calm wind becoming northwest around 5 mph.
Tuesday Night
Mostly cloudy, with a low around 37. Calm wind.
Veterans Day
A 40 percent chance of showers. Mostly cloudy, with a high near 53. Light and variable wind becoming north 5 to 10 mph in the morning.
Wednesday Night
Mostly cloudy, with a low around 33. North wind 10 to 15 mph.
Thursday
A 20 percent chance of showers before noon. Mostly cloudy, with a high near 43. Breezy, with a north wind 15 to 20 mph, with gusts as high as 25 mph.
Thursday Night
Mostly cloudy, with a low around 27. North wind 10 to 15 mph.
Friday
Mostly sunny, with a high near 41.
Friday Night
Mostly clear, with a low around 25.
Saturday
Sunny, with a high near 46.
Saturday Night
Mostly clear, with a low around 31.
Sunday
Sunny, with a high near 52.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WSW Janesville WI
 42.67°N 89.07°W (Elev. 843 ft)
Last Update:
7:36 am CST Nov 9, 2026
Forecast Valid:
8am CST Nov 9, 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