Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Fair

28°F

-2°C

Humidity 69%
Wind Speed NW 7 mph
Barometer 30.37 in
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill21°F (-6°C)
Last update 23 Mar 7:45 am CDT
Extended Forecast for

5 Miles SSW Janesville WI

  • Today

    Today: Sunny, with a high near 45. North wind 5 to 10 mph.

    High: 45 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 30. East wind 5 to 10 mph becoming south after midnight.

    Low: 30 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Partly sunny, with a high near 53. South wind 10 to 15 mph.

    High: 53 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 37. South wind around 5 mph.

    Low: 37 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 62. South wind 5 to 10 mph.

    High: 62 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 47. South wind 5 to 10 mph.

    Low: 47 °F

    Mostly Cloudy

  • Thursday

    Thursday: A 30 percent chance of rain after 1pm.  Mostly cloudy, with a high near 69. South wind 5 to 15 mph becoming north in the afternoon.

    High: 69 °F

    Partly Sunny
    then Chance
    Rain

  • Thursday Night

    Thursday Night: A 20 percent chance of rain before 1am.  Mostly cloudy, with a low around 28. North wind around 15 mph.

    Low: 28 °F

    Slight Chance
    Rain

  • Friday

    Friday: Mostly cloudy, then gradually becoming sunny, with a high near 43.

    High: 43 °F

    Decreasing
    Clouds

Detailed Forecast

Today
Sunny, with a high near 45. North wind 5 to 10 mph.
Tonight
Increasing clouds, with a low around 30. East wind 5 to 10 mph becoming south after midnight.
Tuesday
Partly sunny, with a high near 53. South wind 10 to 15 mph.
Tuesday Night
Mostly cloudy, with a low around 37. South wind around 5 mph.
Wednesday
Mostly cloudy, with a high near 62. South wind 5 to 10 mph.
Wednesday Night
Mostly cloudy, with a low around 47. South wind 5 to 10 mph.
Thursday
A 30 percent chance of rain after 1pm. Mostly cloudy, with a high near 69. South wind 5 to 15 mph becoming north in the afternoon.
Thursday Night
A 20 percent chance of rain before 1am. Mostly cloudy, with a low around 28. North wind around 15 mph.
Friday
Mostly cloudy, then gradually becoming sunny, with a high near 43.
Friday Night
Mostly clear, with a low around 25.
Saturday
Sunny, with a high near 50.
Saturday Night
Mostly clear, with a low around 32.
Sunday
Partly sunny, with a high near 57.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SSW Janesville WI
 42.63°N 89.04°W (Elev. 804 ft)
5:32 am CDT Mar 23, 2026
8am CDT Mar 23, 2026-6pm CDT Mar 29, 2026
 
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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