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

37°F

3°C

Humidity 75%
Wind Speed SE 6 mph
Barometer 30.02 in
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 14 Nov 12:15 am CST
Extended Forecast for

4 Miles NNW Darien WI

  • Overnight

    Overnight: Mostly clear, with a low around 35. South wind around 5 mph becoming calm.

    Low: 35 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 63. Calm wind becoming southwest around 5 mph in the morning.

    High: 63 °F

    Sunny

  • Friday Night

    Friday Night: Increasing clouds, with a low around 50. South wind 5 to 15 mph.

    Low: 50 °F

    Increasing
    Clouds

  • Saturday

    Saturday: Partly sunny, with a high near 63. Southwest wind around 15 mph becoming northwest in the afternoon.

    High: 63 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 30. Northwest wind around 10 mph.

    Low: 30 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 46. Northwest wind 10 to 15 mph.

    High: 46 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 24. West wind around 5 mph becoming calm after midnight.

    Low: 24 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 44. Calm wind becoming north around 5 mph in the morning.

    High: 44 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A 40 percent chance of rain. Mostly cloudy, with a low around 29.

    Low: 29 °F

    Chance Rain

Detailed Forecast

Overnight
Mostly clear, with a low around 35. South wind around 5 mph becoming calm.
Friday
Sunny, with a high near 63. Calm wind becoming southwest around 5 mph in the morning.
Friday Night
Increasing clouds, with a low around 50. South wind 5 to 15 mph.
Saturday
Partly sunny, with a high near 63. Southwest wind around 15 mph becoming northwest in the afternoon.
Saturday Night
Mostly clear, with a low around 30. Northwest wind around 10 mph.
Sunday
Sunny, with a high near 46. Northwest wind 10 to 15 mph.
Sunday Night
Mostly clear, with a low around 24. West wind around 5 mph becoming calm after midnight.
Monday
Mostly sunny, with a high near 44. Calm wind becoming north around 5 mph in the morning.
Monday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 29.
Tuesday
A 20 percent chance of rain before noon. Partly sunny, with a high near 45.
Tuesday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 30.
Wednesday
A 20 percent chance of rain. Partly sunny, with a high near 46.
Wednesday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 34.
Thursday
A 50 percent chance of rain. Mostly cloudy, with a high near 49.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NNW Darien WI
 42.66°N 88.74°W (Elev. 961 ft)
Last Update:
12:16 am CST Nov 14, 2025
Forecast Valid:
12am CST Nov 14, 2025-6pm CST Nov 20, 2025
 
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