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

36°F

2°C

Humidity 81%
Wind Speed NW 3 mph
Barometer 30.20 in
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Last update 6 Nov 7:45 pm CST
Extended Forecast for

4 Miles SSE Afton WI

  • Tonight

    Tonight: Mostly clear, with a low around 26. Northwest wind around 5 mph becoming calm.

    Low: 26 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 52. Light west wind increasing to 5 to 10 mph in the morning.

    High: 52 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 36. West wind 5 to 10 mph.

    Low: 36 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, then gradually becoming sunny, with a high near 57. West wind 10 to 15 mph.

    High: 57 °F

    Becoming
    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 31. West wind 5 to 10 mph becoming light in the evening.

    Low: 31 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 60. Light southwest wind increasing to 10 to 15 mph in the morning.

    High: 60 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 38. Southwest wind 5 to 10 mph becoming light and variable after midnight.

    Low: 38 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 59. Light west wind increasing to 5 to 10 mph in the morning.

    High: 59 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 34.

    Low: 34 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 26. Northwest wind around 5 mph becoming calm.
Saturday
Mostly sunny, with a high near 52. Light west wind increasing to 5 to 10 mph in the morning.
Saturday Night
Partly cloudy, with a low around 36. West wind 5 to 10 mph.
Sunday
Partly sunny, then gradually becoming sunny, with a high near 57. West wind 10 to 15 mph.
Sunday Night
Mostly clear, with a low around 31. West wind 5 to 10 mph becoming light in the evening.
Monday
Mostly sunny, with a high near 60. Light southwest wind increasing to 10 to 15 mph in the morning.
Monday Night
Mostly clear, with a low around 38. Southwest wind 5 to 10 mph becoming light and variable after midnight.
Tuesday
Sunny, with a high near 59. Light west wind increasing to 5 to 10 mph in the morning.
Tuesday Night
Partly cloudy, with a low around 34.
Veterans Day
Mostly sunny, with a high near 53.
Wednesday Night
Partly cloudy, with a low around 32.
Thursday
Mostly sunny, with a high near 50.
Thursday Night
Partly cloudy, with a low around 30.
Friday
Mostly sunny, with a high near 51.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSE Afton WI
 42.63°N 89.07°W (Elev. 774 ft)
Last Update:
7:36 pm CST Nov 6, 2026
Forecast Valid:
8pm CST Nov 6, 2026-6pm CST Nov 13, 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