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.

Partly Cloudy

52°F

11°C

Humidity 44%
Wind Speed Calm
Barometer 29.95 in
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Last update 14 Feb 3:45 pm CST
Extended Forecast for

2 Miles N Janesville WI

  • Tonight

    Tonight: Partly cloudy, with a low around 31. South wind around 5 mph becoming calm.

    Low: 31 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 51. Northwest wind around 5 mph becoming calm in the afternoon.

    High: 51 °F

    Sunny

  • Sunday Night

    Sunday Night: Increasing clouds, with a low around 33. Calm wind becoming south around 5 mph after midnight.

    Low: 33 °F

    Increasing
    Clouds

  • Washington's Birthday

    Washington's Birthday: Mostly sunny, with a high near 60. Southwest wind 5 to 15 mph.

    High: 60 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 37. Southwest wind around 5 mph becoming east after midnight.

    Low: 37 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 54. East wind 5 to 15 mph.

    High: 54 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: A chance of rain, then rain likely and possibly a thunderstorm after midnight. Mostly cloudy, with a low around 45. East wind around 15 mph becoming south after midnight. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 45 °F

    Rain Likely

  • Wednesday

    Wednesday: A 30 percent chance of rain, mainly before noon. Sunny, with a high near 60. Breezy, with a west wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 60 °F

    Chance Rain
    and Breezy

  • Wednesday Night

    Wednesday Night: A slight chance of rain before midnight, then a slight chance of rain and snow. Partly cloudy, with a low around 33. Chance of precipitation is 20%.

    Low: 33 °F

    Slight Chance
    Rain then
    Slight Chance
    Rain/Snow

Detailed Forecast

Tonight
Partly cloudy, with a low around 31. South wind around 5 mph becoming calm.
Sunday
Sunny, with a high near 51. Northwest wind around 5 mph becoming calm in the afternoon.
Sunday Night
Increasing clouds, with a low around 33. Calm wind becoming south around 5 mph after midnight.
Washington's Birthday
Mostly sunny, with a high near 60. Southwest wind 5 to 15 mph.
Monday Night
Mostly cloudy, with a low around 37. Southwest wind around 5 mph becoming east after midnight.
Tuesday
Mostly cloudy, with a high near 54. East wind 5 to 15 mph.
Tuesday Night
A chance of rain, then rain likely and possibly a thunderstorm after midnight. Mostly cloudy, with a low around 45. East wind around 15 mph becoming south after midnight. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
A 30 percent chance of rain, mainly before noon. Sunny, with a high near 60. Breezy, with a west wind 15 to 20 mph, with gusts as high as 30 mph.
Wednesday Night
A slight chance of rain before midnight, then a slight chance of rain and snow. Partly cloudy, with a low around 33. Chance of precipitation is 20%.
Thursday
A 30 percent chance of rain after noon. Mostly sunny, with a high near 47.
Thursday Night
A chance of rain and snow. Mostly cloudy, with a low around 27. Chance of precipitation is 40%.
Friday
A 30 percent chance of snow. Partly sunny, with a high near 37.
Friday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 19.
Saturday
A 20 percent chance of snow. Mostly sunny, with a high near 34.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles N Janesville WI
 42.71°N 89°W (Elev. 892 ft)
Last Update:
2:18 pm CST Feb 14, 2026
Forecast Valid:
4pm CST Feb 14, 2026-6pm CST Feb 21, 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