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

25°F

-4°C

Humidity 93%
Wind Speed SE 3 mph
Barometer 30.21 in
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Last update 13 Feb 1:15 am CST
Extended Forecast for

5 Miles WSW Fort Atkinson WI

  • Overnight

    Overnight: Mostly clear, with a low around 25. South wind around 5 mph becoming calm.

    Low: 25 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 48. Southwest wind 5 to 10 mph.

    High: 48 °F

    Sunny

  • Friday Night

    Friday Night: Patchy fog before 1am, then patchy fog after 3am. Otherwise, mostly clear, with a low around 27. Southwest wind around 5 mph becoming calm.

    Low: 27 °F

    Mostly Clear
    then Patchy
    Fog

  • Saturday

    Saturday: Patchy fog before 8am. Otherwise, partly sunny, with a high near 48. Calm wind becoming south around 5 mph.

    High: 48 °F

    Patchy Fog
    then Partly
    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 31. South wind around 5 mph becoming calm.

    Low: 31 °F

    Mostly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 51. Calm wind becoming west around 5 mph.

    High: 51 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 34. Calm wind becoming southwest around 5 mph after midnight.

    Low: 34 °F

    Mostly Cloudy

  • Washington's Birthday

    Washington's Birthday: Mostly sunny, with a high near 57. Southwest wind 5 to 10 mph.

    High: 57 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Increasing clouds, with a low around 38.

    Low: 38 °F

    Increasing
    Clouds

Detailed Forecast

Overnight
Mostly clear, with a low around 25. South wind around 5 mph becoming calm.
Friday
Sunny, with a high near 48. Southwest wind 5 to 10 mph.
Friday Night
Patchy fog before 1am, then patchy fog after 3am. Otherwise, mostly clear, with a low around 27. Southwest wind around 5 mph becoming calm.
Saturday
Patchy fog before 8am. Otherwise, partly sunny, with a high near 48. Calm wind becoming south around 5 mph.
Saturday Night
Mostly cloudy, with a low around 31. South wind around 5 mph becoming calm.
Sunday
Sunny, with a high near 51. Calm wind becoming west around 5 mph.
Sunday Night
Mostly cloudy, with a low around 34. Calm wind becoming southwest around 5 mph after midnight.
Washington's Birthday
Mostly sunny, with a high near 57. Southwest wind 5 to 10 mph.
Monday Night
Increasing clouds, with a low around 38.
Tuesday
Partly sunny, with a high near 54.
Tuesday Night
Rain likely. Mostly cloudy, with a low around 43. Chance of precipitation is 70%.
Wednesday
A 50 percent chance of rain. Partly sunny, with a high near 55.
Wednesday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 30.
Thursday
A chance of rain and snow. Mostly cloudy, with a high near 42. Chance of precipitation is 30%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles WSW Fort Atkinson WI
 42.88°N 88.93°W (Elev. 774 ft)
Last Update:
12:22 am CST Feb 13, 2026
Forecast Valid:
1am CST Feb 13, 2026-6pm CST Feb 19, 2026
 
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Additional Resources

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High Temperature

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Chance of Precipitation