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

48°F

9°C

Humidity 94%
Wind Speed W 10 mph
Barometer 29.73 in
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 5 Nov 8:45 am CST
Extended Forecast for

Fort Atkinson WI

  • Today

    Today: Patchy drizzle with scattered showers before 4pm, then isolated showers between 4pm and 5pm. Cloudy, with a high near 53. Southwest wind 5 to 15 mph becoming north in the afternoon. Chance of precipitation is 40%.

    High: 53 °F

    Scattered
    Showers

  • Tonight

    Tonight: Cloudy, then gradually becoming partly cloudy, with a low around 34. North wind 10 to 15 mph.

    Low: 34 °F

    Decreasing
    Clouds

  • Friday

    Friday: Increasing clouds, with a high near 47. North wind 10 to 15 mph.

    High: 47 °F

    Increasing
    Clouds

  • Friday Night

    Friday Night: Mostly clear, with a low around 26. North wind around 5 mph becoming calm in the evening.

    Low: 26 °F

    Mostly Clear

  • Saturday

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

    High: 51 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 31. Calm wind becoming west around 5 mph.

    Low: 31 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 57. West wind 5 to 10 mph.

    High: 57 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 32. West wind around 5 mph becoming calm in the evening.

    Low: 32 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 61.

    High: 61 °F

    Sunny

Detailed Forecast

Today
Patchy drizzle with scattered showers before 4pm, then isolated showers between 4pm and 5pm. Cloudy, with a high near 53. Southwest wind 5 to 15 mph becoming north in the afternoon. Chance of precipitation is 40%.
Tonight
Cloudy, then gradually becoming partly cloudy, with a low around 34. North wind 10 to 15 mph.
Friday
Increasing clouds, with a high near 47. North wind 10 to 15 mph.
Friday Night
Mostly clear, with a low around 26. North wind around 5 mph becoming calm in the evening.
Saturday
Sunny, with a high near 51. Calm wind becoming west around 5 mph.
Saturday Night
Mostly clear, with a low around 31. Calm wind becoming west around 5 mph.
Sunday
Sunny, with a high near 57. West wind 5 to 10 mph.
Sunday Night
Clear, with a low around 32. West wind around 5 mph becoming calm in the evening.
Monday
Sunny, with a high near 61.
Monday Night
Mostly clear, with a low around 38.
Tuesday
Sunny, with a high near 61.
Tuesday Night
Partly cloudy, with a low around 35.
Veterans Day
Mostly sunny, with a high near 56.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Fort Atkinson WI
 42.92°N 88.84°W (Elev. 797 ft)
Last Update:
6:55 am CST Nov 5, 2026
Forecast Valid:
9am CST Nov 5, 2026-6pm CST Nov 11, 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