Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Partly Cloudy

66°F

19°C

Humidity 88%
Wind Speed NW 6 mph
Barometer 30.06 in
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 17 Aug 7:45 am CDT
Extended Forecast for

Clinton WI

  • Today

    Today: Mostly sunny, with a high near 77. Northwest wind 5 to 10 mph.

    High: 77 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 59. West wind around 5 mph becoming calm.

    Low: 59 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A slight chance of showers between noon and 1pm, then a chance of showers and thunderstorms after 1pm.  Partly sunny, with a high near 78. Southwest wind 5 to 10 mph.  Chance of precipitation is 50%.

    High: 78 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm before 1am.  Mostly cloudy, with a low around 61. West wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 61 °F

    Showers
    Likely

  • Wednesday

    Wednesday: Mostly sunny, with a high near 76. Calm wind becoming north around 5 mph in the afternoon.

    High: 76 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 56. Calm wind.

    Low: 56 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 76. Calm wind becoming east around 5 mph.

    High: 76 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A 20 percent chance of showers after 1am.  Partly cloudy, with a low around 56. East wind around 5 mph becoming calm.

    Low: 56 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Friday

    Friday: A 20 percent chance of showers after 1pm.  Mostly sunny, with a high near 76.

    High: 76 °F

    Sunny then
    Slight Chance
    Showers

Detailed Forecast

Today
Mostly sunny, with a high near 77. Northwest wind 5 to 10 mph.
Tonight
Partly cloudy, with a low around 59. West wind around 5 mph becoming calm.
Tuesday
A slight chance of showers between noon and 1pm, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 78. Southwest wind 5 to 10 mph. Chance of precipitation is 50%.
Tuesday Night
Showers likely and possibly a thunderstorm before 1am. Mostly cloudy, with a low around 61. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
Mostly sunny, with a high near 76. Calm wind becoming north around 5 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 56. Calm wind.
Thursday
Mostly sunny, with a high near 76. Calm wind becoming east around 5 mph.
Thursday Night
A 20 percent chance of showers after 1am. Partly cloudy, with a low around 56. East wind around 5 mph becoming calm.
Friday
A 20 percent chance of showers after 1pm. Mostly sunny, with a high near 76.
Friday Night
A 40 percent chance of showers. Partly cloudy, with a low around 60.
Saturday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 75.
Saturday Night
Mostly clear, with a low around 57.
Sunday
Mostly sunny, with a high near 73.
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ABOUT THIS FORECAST

 
Point Forecast:
Clinton WI
 42.55°N 88.87°W (Elev. 938 ft)
5:32 am CDT Aug 17, 2026
8am CDT Aug 17, 2026-6pm CDT Aug 23, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database