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 SW 5 mph
Barometer 29.79 in
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 10 Feb 2:15 am CST
Extended Forecast for

5 Miles SSW Janesville WI

  • Overnight

    Overnight: Mostly cloudy, with a low around 32. South wind around 5 mph becoming west.

    Low: 32 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 39. Northwest wind 10 to 15 mph, with gusts as high as 30 mph.

    High: 39 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 23. Northwest wind around 10 mph.

    Low: 23 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, then gradually becoming sunny, with a high near 37. Northwest wind 5 to 10 mph.

    High: 37 °F

    Becoming
    Sunny

  • Wednesday Night

    Wednesday Night: Increasing clouds, with a low around 22. Northwest wind around 5 mph becoming calm in the evening.

    Low: 22 °F

    Increasing
    Clouds

  • Thursday

    Thursday: A 30 percent chance of snow after noon. Mostly cloudy, with a high near 38. Calm wind becoming south around 5 mph in the afternoon.

    High: 38 °F

    Cloudy then
    Chance Snow

  • Thursday Night

    Thursday Night: A 20 percent chance of snow before midnight. Partly cloudy, with a low around 24. East wind around 5 mph becoming calm.

    Low: 24 °F

    Slight Chance
    Snow then
    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 44. Calm wind becoming southwest around 5 mph in the morning.

    High: 44 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 26.

    Low: 26 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 32. South wind around 5 mph becoming west.
Tuesday
Partly sunny, with a high near 39. Northwest wind 10 to 15 mph, with gusts as high as 30 mph.
Tuesday Night
Partly cloudy, with a low around 23. Northwest wind around 10 mph.
Wednesday
Partly sunny, then gradually becoming sunny, with a high near 37. Northwest wind 5 to 10 mph.
Wednesday Night
Increasing clouds, with a low around 22. Northwest wind around 5 mph becoming calm in the evening.
Thursday
A 30 percent chance of snow after noon. Mostly cloudy, with a high near 38. Calm wind becoming south around 5 mph in the afternoon.
Thursday Night
A 20 percent chance of snow before midnight. Partly cloudy, with a low around 24. East wind around 5 mph becoming calm.
Friday
Sunny, with a high near 44. Calm wind becoming southwest around 5 mph in the morning.
Friday Night
Mostly clear, with a low around 26.
Saturday
Sunny, with a high near 45.
Saturday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 30.
Sunday
A chance of rain and snow. Mostly sunny, with a high near 44. Chance of precipitation is 30%.
Sunday Night
Partly cloudy, with a low around 27.
Washington's Birthday
Partly sunny, with a high near 46.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SSW Janesville WI
 42.63°N 89.04°W (Elev. 804 ft)
Last Update:
1:32 am CST Feb 10, 2026
Forecast Valid:
2am CST Feb 10, 2026-6pm CST Feb 16, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation