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.

Mostly Cloudy

79°F

26°C

Humidity 65%
Wind Speed E 8 mph
Barometer 30.13 in
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 6 Sep 11:45 am CDT
Extended Forecast for

Edgerton WI

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 80. East wind around 5 mph.

    High: 80 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 58. East wind around 5 mph becoming calm in the evening.

    Low: 58 °F

    Mostly Clear

  • Labor Day

    Labor Day: Mostly sunny, with a high near 79. Light east wind becoming southeast 5 to 10 mph in the morning.

    High: 79 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 58. Southeast wind 5 to 10 mph.

    Low: 58 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 82. South wind 5 to 10 mph.

    High: 82 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Low around 68. South wind around 10 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 68 °F

    Chance
    Showers then
    Showers

  • Wednesday

    Wednesday: A slight chance of showers and thunderstorms before 7am, then a slight chance of showers between 7am and 1pm. Partly sunny, with a high near 82. Southwest wind 10 to 15 mph. Chance of precipitation is 20%.

    High: 82 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 57. Northwest wind 5 to 10 mph.

    Low: 57 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 76.

    High: 76 °F

    Sunny

Detailed Forecast

This Afternoon
Partly sunny, with a high near 80. East wind around 5 mph.
Tonight
Mostly clear, with a low around 58. East wind around 5 mph becoming calm in the evening.
Labor Day
Mostly sunny, with a high near 79. Light east wind becoming southeast 5 to 10 mph in the morning.
Monday Night
Partly cloudy, with a low around 58. Southeast wind 5 to 10 mph.
Tuesday
Partly sunny, with a high near 82. South wind 5 to 10 mph.
Tuesday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Low around 68. South wind around 10 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Wednesday
A slight chance of showers and thunderstorms before 7am, then a slight chance of showers between 7am and 1pm. Partly sunny, with a high near 82. Southwest wind 10 to 15 mph. Chance of precipitation is 20%.
Wednesday Night
Mostly clear, with a low around 57. Northwest wind 5 to 10 mph.
Thursday
Sunny, with a high near 76.
Thursday Night
Mostly clear, with a low around 55.
Friday
Sunny, with a high near 79.
Friday Night
Partly cloudy, with a low around 58.
Saturday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 81.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Edgerton WI
 42.84°N 89.08°W (Elev. 866 ft)
Last Update:
12:16 pm CDT Sep 6, 2026
Forecast Valid:
12pm CDT Sep 6, 2026-6pm CDT Sep 12, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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