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

30°F

-1°C

Humidity 64%
Wind Speed SE 8 mph
Barometer 30.41 in
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill22°F (-6°C)
Last update 2 Mar 8:45 am CST
Extended Forecast for

2 Miles N Janesville WI

  • Today

    Today: Sunny, with a high near 44. Southeast wind 5 to 10 mph.

    High: 44 °F

    Sunny

  • Tonight

    Tonight: A 20 percent chance of rain after 2am. Mostly cloudy, with a low around 29. Southeast wind around 5 mph becoming calm in the evening.

    Low: 29 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Tuesday

    Tuesday: A chance of freezing rain before 8am, then a chance of rain. Mostly cloudy, with a high near 44. Calm wind becoming east around 5 mph. Chance of precipitation is 30%.

    High: 44 °F

    Chance
    Rain/Freezing
    Rain then
    Slight Chance
    Rain

  • Tuesday Night

    Tuesday Night: A 20 percent chance of rain after midnight. Partly cloudy, with a low around 30. Calm wind becoming northeast around 5 mph after midnight.

    Low: 30 °F

    Partly Cloudy
    then Slight
    Chance Rain

  • Wednesday

    Wednesday: A chance of rain, with thunderstorms also possible after 3pm. Mostly sunny, with a high near 47. East wind 5 to 10 mph. Chance of precipitation is 40%.

    High: 47 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: A chance of rain and thunderstorms before 9pm, then a chance of rain between 9pm and midnight, then rain likely and possibly a thunderstorm after midnight. Mostly cloudy, with a low around 38. East wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 38 °F

    Chance
    T-storms then
    Rain Likely

  • Thursday

    Thursday: Rain likely, mainly before noon. Cloudy, with a high near 51. East wind 5 to 10 mph becoming north in the afternoon. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 51 °F

    Rain Likely

  • Thursday Night

    Thursday Night: A 30 percent chance of rain after midnight. Mostly cloudy, with a low around 39. North wind around 5 mph becoming east after midnight.

    Low: 39 °F

    Mostly Cloudy
    then Chance
    Rain

  • Friday

    Friday: Rain. High near 62. Chance of precipitation is 80%.

    High: 62 °F

    Rain

Detailed Forecast

Today
Sunny, with a high near 44. Southeast wind 5 to 10 mph.
Tonight
A 20 percent chance of rain after 2am. Mostly cloudy, with a low around 29. Southeast wind around 5 mph becoming calm in the evening.
Tuesday
A chance of freezing rain before 8am, then a chance of rain. Mostly cloudy, with a high near 44. Calm wind becoming east around 5 mph. Chance of precipitation is 30%.
Tuesday Night
A 20 percent chance of rain after midnight. Partly cloudy, with a low around 30. Calm wind becoming northeast around 5 mph after midnight.
Wednesday
A chance of rain, with thunderstorms also possible after 3pm. Mostly sunny, with a high near 47. East wind 5 to 10 mph. Chance of precipitation is 40%.
Wednesday Night
A chance of rain and thunderstorms before 9pm, then a chance of rain between 9pm and midnight, then rain likely and possibly a thunderstorm after midnight. Mostly cloudy, with a low around 38. East wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
Rain likely, mainly before noon. Cloudy, with a high near 51. East wind 5 to 10 mph becoming north in the afternoon. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday Night
A 30 percent chance of rain after midnight. Mostly cloudy, with a low around 39. North wind around 5 mph becoming east after midnight.
Friday
Rain. High near 62. Chance of precipitation is 80%.
Friday Night
Rain likely and possibly a thunderstorm. Mostly cloudy, with a low around 43. Chance of precipitation is 70%.
Saturday
A 20 percent chance of rain. Mostly cloudy, with a high near 56.
Saturday Night
Mostly clear, with a low around 36.
Sunday
Sunny, with a high near 60.
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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:
7:33 am CST Mar 2, 2026
Forecast Valid:
8am CST Mar 2, 2026-6pm CDT Mar 8, 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