National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Fair

70°F

21°C

Humidity 100%
Wind Speed Calm
Barometer 29.92 in
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Last update 5 Sep 4:30 am CDT
Extended Forecast for

Sharon WI

  • Today

    Today: Patchy fog before 9am. Otherwise, partly sunny, with a high near 81. Light northeast wind increasing to 5 to 10 mph in the morning.

    High: 81 °F

    Patchy Fog
    then Partly
    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 60. Northeast wind 5 to 10 mph.

    Low: 60 °F

    Mostly Clear

  • Sunday

    Sunday: Patchy fog before 8am. Otherwise, mostly sunny, with a high near 79. East wind around 5 mph.

    High: 79 °F

    Patchy Fog
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 58. East wind around 5 mph becoming calm in the evening.

    Low: 58 °F

    Partly Cloudy

  • Labor Day

    Labor Day: Mostly sunny, with a high near 79. Light southeast wind increasing to 5 to 10 mph in the morning.

    High: 79 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 61. Southeast wind around 5 mph.

    Low: 61 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 85. South wind 5 to 15 mph.

    High: 85 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A 40 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 71. South wind around 15 mph.

    Low: 71 °F

    Partly Cloudy
    then Chance
    Showers

  • Wednesday

    Wednesday: Partly sunny, with a high near 84.

    High: 84 °F

    Partly Sunny

Detailed Forecast

Today
Patchy fog before 9am. Otherwise, partly sunny, with a high near 81. Light northeast wind increasing to 5 to 10 mph in the morning.
Tonight
Mostly clear, with a low around 60. Northeast wind 5 to 10 mph.
Sunday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 79. East wind around 5 mph.
Sunday Night
Partly cloudy, with a low around 58. East wind around 5 mph becoming calm in the evening.
Labor Day
Mostly sunny, with a high near 79. Light southeast wind increasing to 5 to 10 mph in the morning.
Monday Night
Mostly cloudy, with a low around 61. Southeast wind around 5 mph.
Tuesday
Partly sunny, with a high near 85. South wind 5 to 15 mph.
Tuesday Night
A 40 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 71. South wind around 15 mph.
Wednesday
Partly sunny, with a high near 84.
Wednesday Night
Partly cloudy, with a low around 60.
Thursday
Mostly sunny, with a high near 78.
Thursday Night
Partly cloudy, with a low around 58.
Friday
Mostly sunny, with a high near 81.
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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:
2:42 am CDT Sep 5, 2026
Forecast Valid:
4am CDT Sep 5, 2026-6pm CDT Sep 11, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation