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.

Overcast

46°F

8°C

Humidity 50%
Wind Speed S 12 G 17 mph
Barometer 30.00 in
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill40°F (4°C)
Last update 25 Mar 8:45 am CDT
Extended Forecast for

Clinton WI

  • Today

    Today: Mostly sunny, with a high near 69. Breezy, with a south wind 10 to 20 mph, with gusts as high as 30 mph.

    High: 69 °F

    Partly Sunny
    then Mostly
    Sunny and
    Breezy

  • Tonight

    Tonight: Partly cloudy, with a low around 50. Southwest wind 5 to 10 mph.

    Low: 50 °F

    Partly Cloudy

  • Thursday

    Thursday: A 50 percent chance of rain after 1pm. Increasing clouds, with a high near 67. South wind 5 to 15 mph becoming north in the afternoon.

    High: 67 °F

    Mostly Sunny
    then Chance
    Rain

  • Thursday Night

    Thursday Night: A slight chance of rain, mixing with snow after 10pm, then gradually ending. Mostly cloudy, with a low around 26. Blustery, with a northeast wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.

    Low: 26 °F

    Slight Chance
    Rain/Snow and
    Blustery

  • Friday

    Friday: Mostly sunny, with a high near 43. North wind around 10 mph.

    High: 43 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 24. Northwest wind 5 to 10 mph.

    Low: 24 °F

    Mostly Clear

  • Saturday

    Saturday: Increasing clouds, with a high near 50. West wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon.

    High: 50 °F

    Increasing
    Clouds

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 35. South wind around 10 mph.

    Low: 35 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 59.

    High: 59 °F

    Partly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 69. Breezy, with a south wind 10 to 20 mph, with gusts as high as 30 mph.
Tonight
Partly cloudy, with a low around 50. Southwest wind 5 to 10 mph.
Thursday
A 50 percent chance of rain after 1pm. Increasing clouds, with a high near 67. South wind 5 to 15 mph becoming north in the afternoon.
Thursday Night
A slight chance of rain, mixing with snow after 10pm, then gradually ending. Mostly cloudy, with a low around 26. Blustery, with a northeast wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.
Friday
Mostly sunny, with a high near 43. North wind around 10 mph.
Friday Night
Mostly clear, with a low around 24. Northwest wind 5 to 10 mph.
Saturday
Increasing clouds, with a high near 50. West wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon.
Saturday Night
Partly cloudy, with a low around 35. South wind around 10 mph.
Sunday
Partly sunny, with a high near 59.
Sunday Night
Partly cloudy, with a low around 45.
Monday
A 20 percent chance of rain. Mostly sunny, with a high near 71.
Monday Night
A 40 percent chance of rain and thunderstorms. Mostly cloudy, with a low around 48.
Tuesday
A 40 percent chance of rain and thunderstorms. Mostly cloudy, with a high near 67.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Clinton WI
 42.56°N 88.9°W (Elev. 961 ft)
Last Update:
8:32 am CDT Mar 25, 2026
Forecast Valid:
9am CDT Mar 25, 2026-6pm CDT Mar 31, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation