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

45°F

7°C

Humidity 61%
Wind Speed W 6 mph
Barometer 29.92 in
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill42°F (6°C)
Last update 15 Feb 9:45 am CST
Extended Forecast for

2 Miles N Janesville WI

  • Today

    Today: Sunny, with a high near 54. Northwest wind around 5 mph.

    High: 54 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 34. Light and variable wind becoming south 5 to 10 mph after midnight.

    Low: 34 °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: Partly cloudy, with a low around 36. Southwest wind around 5 mph becoming east in the evening.

    Low: 36 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 52. East wind 5 to 15 mph.

    High: 52 °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 46. East wind around 15 mph becoming south after midnight. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 46 °F

    Rain Likely

  • Wednesday

    Wednesday: A 30 percent chance of rain, mainly before noon. Mostly sunny, with a high near 59. Breezy, with a south wind 15 to 20 mph becoming west in the afternoon. Winds could gust as high as 30 mph.

    High: 59 °F

    Chance Rain
    and Breezy

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 31. West wind 5 to 15 mph.

    Low: 31 °F

    Partly Cloudy

  • Thursday

    Thursday: A 30 percent chance of rain after noon. Mostly sunny, with a high near 48.

    High: 48 °F

    Mostly Sunny
    then Chance
    Rain

Detailed Forecast

Today
Sunny, with a high near 54. Northwest wind around 5 mph.
Tonight
Increasing clouds, with a low around 34. Light and variable wind becoming south 5 to 10 mph after midnight.
Washington's Birthday
Mostly sunny, with a high near 60. Southwest wind 5 to 15 mph.
Monday Night
Partly cloudy, with a low around 36. Southwest wind around 5 mph becoming east in the evening.
Tuesday
Mostly cloudy, with a high near 52. 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 46. East wind around 15 mph becoming south after midnight. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
A 30 percent chance of rain, mainly before noon. Mostly sunny, with a high near 59. Breezy, with a south wind 15 to 20 mph becoming west in the afternoon. Winds could gust as high as 30 mph.
Wednesday Night
Partly cloudy, with a low around 31. West wind 5 to 15 mph.
Thursday
A 30 percent chance of rain after noon. Mostly sunny, with a high near 48.
Thursday Night
A chance of rain and snow. Mostly cloudy, with a low around 28. Chance of precipitation is 50%.
Friday
A 40 percent chance of snow. Mostly cloudy, with a high near 36.
Friday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 21.
Saturday
Mostly sunny, with a high near 33.
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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 Feb 15, 2026
Forecast Valid:
10am CST Feb 15, 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