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

50°F

10°C

Humidity 94%
Wind Speed Calm
Barometer 30.31 in
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 1 Nov 1:35 am CST
Extended Forecast for

Sharon WI

  • Overnight

    Overnight: A 30 percent chance of showers, mainly before 5am. Cloudy, with a low around 49. Calm wind.

    Low: 49 °F

    Chance
    Showers

  • Sunday

    Sunday: A 20 percent chance of showers before 10am. Cloudy, then gradually becoming mostly sunny, with a high near 64. Calm wind becoming south around 5 mph in the afternoon.

    High: 64 °F

    Slight Chance
    Showers then
    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 51. South wind around 5 mph.

    Low: 51 °F

    Mostly Cloudy

  • Monday

    Monday: A 50 percent chance of showers, mainly after 5pm. Cloudy, with a high near 64. South wind 10 to 15 mph.

    High: 64 °F

    Slight Chance
    Showers then
    Chance
    Showers

  • Monday Night

    Monday Night: Showers likely, mainly before midnight. Cloudy, with a steady temperature around 62. South wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 62 °F

    Showers
    Likely then
    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers before noon, then showers and possibly a thunderstorm between noon and 3pm, then showers after 3pm. High near 71. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 71 °F

    Breezy.
    Chance
    Showers then
    Showers

  • Tuesday Night

    Tuesday Night: Showers. Low around 53. South wind 10 to 15 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 53 °F

    Showers then
    Showers
    Likely

  • Wednesday

    Wednesday: Showers likely, mainly before noon. Mostly cloudy, with a high near 65. Southwest wind around 10 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 65 °F

    Showers
    Likely then
    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 30 percent chance of rain. Mostly cloudy, with a low around 48.

    Low: 48 °F

    Chance Rain

Detailed Forecast

Overnight
A 30 percent chance of showers, mainly before 5am. Cloudy, with a low around 49. Calm wind.
Sunday
A 20 percent chance of showers before 10am. Cloudy, then gradually becoming mostly sunny, with a high near 64. Calm wind becoming south around 5 mph in the afternoon.
Sunday Night
Mostly cloudy, with a low around 51. South wind around 5 mph.
Monday
A 50 percent chance of showers, mainly after 5pm. Cloudy, with a high near 64. South wind 10 to 15 mph.
Monday Night
Showers likely, mainly before midnight. Cloudy, with a steady temperature around 62. South wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
A chance of showers before noon, then showers and possibly a thunderstorm between noon and 3pm, then showers after 3pm. High near 71. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Showers. Low around 53. South wind 10 to 15 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday
Showers likely, mainly before noon. Mostly cloudy, with a high near 65. Southwest wind around 10 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 48.
Thursday
A 50 percent chance of rain. Mostly cloudy, with a high near 62.
Thursday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 45.
Friday
A 30 percent chance of rain. Mostly cloudy, with a high near 58.
Friday Night
Mostly cloudy, with a low around 41.
Saturday
A 20 percent chance of rain. Partly sunny, with a high near 58.
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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:
1:36 am CST Nov 1, 2026
Forecast Valid:
1am CST Nov 1, 2026-6pm CST Nov 7, 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