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.

Fog/Mist

23°F

-5°C

Humidity 93%
Wind Speed Calm
Barometer 30.17 in
Dewpoint 21°F (-6°C)
Visibility 5.00 mi
Last update 13 Feb 4:55 am CST
Extended Forecast for

2 Miles W Beloit WI

  • Today

    Today: Sunny, with a high near 51. South wind 5 to 10 mph becoming west in the afternoon.

    High: 51 °F

    Sunny

  • Tonight

    Tonight: Patchy fog after 4am. Otherwise, mostly clear, with a low around 30. West wind around 5 mph becoming calm.

    Low: 30 °F

    Clear then
    Patchy Fog

  • Saturday

    Saturday: Partly sunny, with a high near 52. Calm wind becoming south around 5 mph.

    High: 52 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 32. Southeast wind around 5 mph becoming calm.

    Low: 32 °F

    Decreasing
    Clouds

  • Sunday

    Sunday: Sunny, with a high near 54. Calm wind becoming west around 5 mph.

    High: 54 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 35. Calm wind becoming south around 5 mph after midnight.

    Low: 35 °F

    Partly Cloudy

  • Washington's Birthday

    Washington's Birthday: Mostly sunny, with a high near 58. Southwest wind 5 to 10 mph.

    High: 58 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 39. Southwest wind around 5 mph becoming southeast after midnight.

    Low: 39 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 55.

    High: 55 °F

    Partly Sunny

Detailed Forecast

Today
Sunny, with a high near 51. South wind 5 to 10 mph becoming west in the afternoon.
Tonight
Patchy fog after 4am. Otherwise, mostly clear, with a low around 30. West wind around 5 mph becoming calm.
Saturday
Partly sunny, with a high near 52. Calm wind becoming south around 5 mph.
Saturday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 32. Southeast wind around 5 mph becoming calm.
Sunday
Sunny, with a high near 54. Calm wind becoming west around 5 mph.
Sunday Night
Partly cloudy, with a low around 35. Calm wind becoming south around 5 mph after midnight.
Washington's Birthday
Mostly sunny, with a high near 58. Southwest wind 5 to 10 mph.
Monday Night
Mostly cloudy, with a low around 39. Southwest wind around 5 mph becoming southeast after midnight.
Tuesday
Partly sunny, with a high near 55.
Tuesday Night
Rain likely, mainly after midnight. Mostly cloudy, with a low around 46. Chance of precipitation is 60%.
Wednesday
A 40 percent chance of rain. Partly sunny, with a high near 56.
Wednesday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 31.
Thursday
A 30 percent chance of rain. Partly sunny, with a high near 44.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles W Beloit WI
 42.52°N 89.05°W (Elev. 751 ft)
Last Update:
3:35 am CST Feb 13, 2026
Forecast Valid:
5am CST Feb 13, 2026-6pm CST Feb 19, 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