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

50°F

10°C

Humidity 94%
Wind Speed Calm
Barometer 30.22 in
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 27 Aug 2:15 am CDT
Extended Forecast for

Edgerton WISimilar City Names

  • Overnight

    Overnight: Patchy fog after 3am. Otherwise, mostly clear, with a low around 49. Calm wind.

    Low: 49 °F

    Patchy Fog

  • Wednesday

    Wednesday: Increasing clouds, with a high near 75. Southwest wind 5 to 10 mph.

    High: 75 °F

    Increasing
    Clouds

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers and thunderstorms, mainly after 11pm. Mostly cloudy, with a low around 58. Southwest wind 5 to 10 mph.

    Low: 58 °F

    Chance
    T-storms

  • Thursday

    Thursday: A slight chance of thunderstorms before 7am. Partly sunny, with a high near 73. West wind 5 to 10 mph becoming northeast in the afternoon. Chance of precipitation is 10%.

    High: 73 °F

    Slight Chance
    T-storms then
    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 47. Northeast wind around 5 mph.

    Low: 47 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 69. Northeast wind around 5 mph.

    High: 69 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 47. Northeast wind around 5 mph becoming calm.

    Low: 47 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 71. Calm wind becoming northeast around 5 mph in the afternoon.

    High: 71 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 49.

    Low: 49 °F

    Mostly Clear

Detailed Forecast

Overnight
Patchy fog after 3am. Otherwise, mostly clear, with a low around 49. Calm wind.
Wednesday
Increasing clouds, with a high near 75. Southwest wind 5 to 10 mph.
Wednesday Night
A 40 percent chance of showers and thunderstorms, mainly after 11pm. Mostly cloudy, with a low around 58. Southwest wind 5 to 10 mph.
Thursday
A slight chance of thunderstorms before 7am. Partly sunny, with a high near 73. West wind 5 to 10 mph becoming northeast in the afternoon. Chance of precipitation is 10%.
Thursday Night
Mostly clear, with a low around 47. Northeast wind around 5 mph.
Friday
Sunny, with a high near 69. Northeast wind around 5 mph.
Friday Night
Mostly clear, with a low around 47. Northeast wind around 5 mph becoming calm.
Saturday
Sunny, with a high near 71. Calm wind becoming northeast around 5 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 49.
Sunday
Sunny, with a high near 74.
Sunday Night
Mostly clear, with a low around 52.
Labor Day
Sunny, with a high near 75.
Monday Night
Mostly clear, with a low around 53.
Tuesday
Mostly sunny, with a high near 77.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Edgerton WISimilar City Names
 42.84°N 89.08°W (Elev. 866 ft)
Last Update:
2:23 am CDT Aug 27, 2025
Forecast Valid:
2am CDT Aug 27, 2025-6pm CDT Sep 2, 2025
 
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