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.

Mostly Cloudy

25°F

-4°C

Humidity 74%
Wind Speed Calm
Barometer 30.28 in
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Last update 12 Feb 6:45 am CST
Extended Forecast for

Milton WI

  • Today

    Today: Mostly cloudy, then gradually becoming sunny, with a high near 40. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 40 °F

    Decreasing
    Clouds

  • Tonight

    Tonight: Partly cloudy, with a low around 28. East wind around 5 mph becoming south after midnight.

    Low: 28 °F

    Partly Cloudy

  • Friday

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

    High: 48 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 27. Southwest wind around 5 mph becoming calm in the evening.

    Low: 27 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 51. Calm wind becoming south around 5 mph in the afternoon.

    High: 51 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 31. South wind around 5 mph becoming west after midnight.

    Low: 31 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 50. Northwest wind around 5 mph.

    High: 50 °F

    Sunny

  • Sunday Night

    Sunday Night: Increasing clouds, with a low around 30. Northwest wind around 5 mph becoming south in the evening.

    Low: 30 °F

    Increasing
    Clouds

  • Washington's Birthday

    Washington's Birthday: Partly sunny, with a high near 53.

    High: 53 °F

    Partly Sunny

Detailed Forecast

Today
Mostly cloudy, then gradually becoming sunny, with a high near 40. Calm wind becoming southeast around 5 mph in the afternoon.
Tonight
Partly cloudy, with a low around 28. East wind around 5 mph becoming south after midnight.
Friday
Sunny, with a high near 48. Southwest wind 5 to 10 mph.
Friday Night
Mostly clear, with a low around 27. Southwest wind around 5 mph becoming calm in the evening.
Saturday
Mostly sunny, with a high near 51. Calm wind becoming south around 5 mph in the afternoon.
Saturday Night
Partly cloudy, with a low around 31. South wind around 5 mph becoming west after midnight.
Sunday
Sunny, with a high near 50. Northwest wind around 5 mph.
Sunday Night
Increasing clouds, with a low around 30. Northwest wind around 5 mph becoming south in the evening.
Washington's Birthday
Partly sunny, with a high near 53.
Monday Night
Mostly cloudy, with a low around 37.
Tuesday
A 20 percent chance of rain. Mostly cloudy, with a high near 53.
Tuesday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 41.
Wednesday
A 30 percent chance of rain. Mostly sunny, with a high near 53.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Milton WI
 42.77°N 88.94°W (Elev. 896 ft)
Last Update:
6:26 am CST Feb 12, 2026
Forecast Valid:
7am CST Feb 12, 2026-6pm CST Feb 18, 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