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

75°F

24°C

Humidity 44%
Wind Speed NW 14 G 20 mph
Barometer 29.86 in
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 7 Oct 12:45 pm CDT
Extended Forecast for

3 Miles S Walworth WI

  • This Afternoon

    This Afternoon: Sunny, with a high near 74. Northwest wind around 10 mph, with gusts as high as 20 mph.

    High: 74 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 48. West northwest wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 48 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 67. Northwest wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 67 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 47. West northwest wind around 5 mph becoming calm in the evening.

    Low: 47 °F

    Decreasing
    Clouds

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 70. Light southeast wind becoming south 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 70 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Friday Night

    Friday Night: Mostly clear, with a low around 57.

    Low: 57 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 79.

    High: 79 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 56.

    Low: 56 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 74.

    High: 74 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 74. Northwest wind around 10 mph, with gusts as high as 20 mph.
Tonight
Mostly clear, with a low around 48. West northwest wind 5 to 10 mph, with gusts as high as 15 mph.
Thursday
Sunny, with a high near 67. Northwest wind 5 to 10 mph, with gusts as high as 15 mph.
Thursday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 47. West northwest wind around 5 mph becoming calm in the evening.
Friday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 70. Light southeast wind becoming south 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Friday Night
Mostly clear, with a low around 57.
Saturday
Sunny, with a high near 79.
Saturday Night
Partly cloudy, with a low around 56.
Sunday
Mostly sunny, with a high near 74.
Sunday Night
Mostly clear, with a low around 55.
Columbus Day
Partly sunny, with a high near 74.
Monday Night
A chance of showers. Mostly cloudy, with a low around 46.
Tuesday
Partly sunny, with a high near 61.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles S Walworth WI
 42.5°N 88.6°W
Last Update:
1:20 pm CDT Oct 7, 2026
Forecast Valid:
2pm CDT Oct 7, 2026-6pm CDT Oct 13, 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