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

54°F

12°C

Humidity 47%
Wind Speed W 13 mph
Barometer 30.13 in
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill50°F (10°C)
Last update 9 Apr 9:45 am CDT
Extended Forecast for

Edgerton WI

  • Today

    Today: Increasing clouds, with a high near 62. North wind around 10 mph becoming west in the afternoon.

    High: 62 °F

    Increasing
    Clouds

  • Tonight

    Tonight: Showers, mainly before 5am. Low around 41. West wind around 5 mph becoming northeast in the evening. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 41 °F

    Showers

  • Friday

    Friday: A 30 percent chance of showers before 7am. Cloudy through mid morning, then gradual clearing, with a high near 51. Northwest wind 5 to 10 mph.

    High: 51 °F

    Chance
    Showers then
    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 34. North wind around 5 mph becoming calm in the evening.

    Low: 34 °F

    Mostly Clear

  • Saturday

    Saturday: A 30 percent chance of showers, mainly after 4pm. Increasing clouds, with a high near 57. Light southeast wind increasing to 5 to 10 mph in the morning.

    High: 57 °F

    Sunny then
    Chance
    Showers

  • Saturday Night

    Saturday Night: Showers and thunderstorms likely before 10pm, then showers likely between 10pm and 1am, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 48. Southeast wind around 10 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 48 °F

    Showers
    Likely

  • Sunday

    Sunday: A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 72. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 72 °F

    Breezy.
    Chance
    Showers then
    Showers
    Likely

  • Sunday Night

    Sunday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 62. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 62 °F

    Showers
    Likely and
    Breezy

  • Monday

    Monday: A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 77. Chance of precipitation is 30%.

    High: 77 °F

    Slight Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

Today
Increasing clouds, with a high near 62. North wind around 10 mph becoming west in the afternoon.
Tonight
Showers, mainly before 5am. Low around 41. West wind around 5 mph becoming northeast in the evening. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Friday
A 30 percent chance of showers before 7am. Cloudy through mid morning, then gradual clearing, with a high near 51. Northwest wind 5 to 10 mph.
Friday Night
Mostly clear, with a low around 34. North wind around 5 mph becoming calm in the evening.
Saturday
A 30 percent chance of showers, mainly after 4pm. Increasing clouds, with a high near 57. Light southeast wind increasing to 5 to 10 mph in the morning.
Saturday Night
Showers and thunderstorms likely before 10pm, then showers likely between 10pm and 1am, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 48. Southeast wind around 10 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 72. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 62. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 77. Chance of precipitation is 30%.
Monday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 62. Chance of precipitation is 70%.
Tuesday
Showers and possibly a thunderstorm. High near 73. Chance of precipitation is 80%.
Tuesday Night
Showers and possibly a thunderstorm. Low around 46. Chance of precipitation is 80%.
Wednesday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 62.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Edgerton WI
 42.84°N 89.06°W (Elev. 892 ft)
Last Update:
8:31 am CDT Apr 9, 2026
Forecast Valid:
9am CDT Apr 9, 2026-6pm CDT Apr 15, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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