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

46°F

8°C

Humidity 53%
Wind Speed SW 9 mph
Barometer 29.91 in
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill41°F (5°C)
Last update 3 May 3:35 am CDT
Extended Forecast for

Sharon WI

  • Overnight

    Overnight: A chance of sprinkles after 5am. Mostly cloudy, with a low around 41. Southwest wind around 10 mph.

    Low: 41 °F

    Chance
    Sprinkles

  • Sunday

    Sunday: A 20 percent chance of showers before 11am. Mostly cloudy, then gradually becoming sunny, with a high near 66. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 35 mph.

    High: 66 °F

    Breezy.
    Slight Chance
    Showers then
    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 43. West wind 5 to 10 mph.

    Low: 43 °F

    Mostly Clear

  • Monday

    Monday: A 30 percent chance of showers after 1pm. Sunny, with a high near 73. Breezy, with a southwest wind 10 to 20 mph, with gusts as high as 30 mph.

    High: 73 °F

    Sunny then
    Chance
    Showers and
    Breezy

  • Monday Night

    Monday Night: Showers likely and possibly a thunderstorm. Increasing clouds, with a low around 45. Southwest wind 5 to 15 mph becoming north after midnight. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 45 °F

    Showers
    Likely

  • Tuesday

    Tuesday: A 40 percent chance of showers. Cloudy, with a high near 53. North wind 5 to 10 mph.

    High: 53 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 36. Northwest wind 5 to 10 mph.

    Low: 36 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 55. Northwest wind 5 to 10 mph.

    High: 55 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 37.

    Low: 37 °F

    Mostly Cloudy

Detailed Forecast

Overnight
A chance of sprinkles after 5am. Mostly cloudy, with a low around 41. Southwest wind around 10 mph.
Sunday
A 20 percent chance of showers before 11am. Mostly cloudy, then gradually becoming sunny, with a high near 66. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 35 mph.
Sunday Night
Mostly clear, with a low around 43. West wind 5 to 10 mph.
Monday
A 30 percent chance of showers after 1pm. Sunny, with a high near 73. Breezy, with a southwest wind 10 to 20 mph, with gusts as high as 30 mph.
Monday Night
Showers likely and possibly a thunderstorm. Increasing clouds, with a low around 45. Southwest wind 5 to 15 mph becoming north after midnight. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday
A 40 percent chance of showers. Cloudy, with a high near 53. North wind 5 to 10 mph.
Tuesday Night
Mostly cloudy, with a low around 36. Northwest wind 5 to 10 mph.
Wednesday
Partly sunny, with a high near 55. Northwest wind 5 to 10 mph.
Wednesday Night
Mostly cloudy, with a low around 37.
Thursday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 57. Chance of precipitation is 40%.
Thursday Night
A 20 percent chance of showers. Partly cloudy, with a low around 37.
Friday
A 20 percent chance of showers. Partly sunny, with a high near 60.
Friday Night
A 20 percent chance of showers. Partly cloudy, with a low around 40.
Saturday
Mostly sunny, with a high near 64.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Sharon WI
 42.51°N 88.72°W (Elev. 1027 ft)
Last Update:
2:36 am CDT May 3, 2026
Forecast Valid:
3am CDT May 3, 2026-6pm CDT May 9, 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