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Current conditions at
Janesville-Rock County (KJVL)
Lat: 42.62°NLon: 89.04°WElev: 801ft.
Fair
14°F
-10°C
| Humidity | 92% |
| Wind Speed | Calm |
| Barometer | 30.17 in |
| Dewpoint | 12°F (-11°C) |
| Visibility | 10.00 mi |
| Last update | 3 Feb 2:10 am CST |
Extended Forecast for
Janesville WI
Overnight
Low: 11 °F
Mostly Cloudy
Tuesday
High: 22 °F
Sunny
Tuesday Night
Low: 3 °F
Partly Cloudy
Wednesday
High: 23 °F
Mostly Sunny
Wednesday Night
Low: 8 °F
Increasing
CloudsThursday
High: 32 °F
Mostly Cloudy
Thursday Night
Low: 26 °F
Mostly Cloudy
Friday
High: 37 °F
Partly Sunny
Friday Night
Low: 12 °F
Partly Cloudy
Detailed Forecast
Overnight
Mostly cloudy, with a low around 11. Calm wind becoming north around 5 mph.
Tuesday
Sunny, with a high near 22. North wind around 5 mph.
Tuesday Night
Partly cloudy, with a low around 3. North wind around 5 mph becoming calm.
Wednesday
Mostly sunny, with a high near 23. Calm wind becoming northwest around 5 mph.
Wednesday Night
Increasing clouds, with a low around 8. Calm wind becoming west around 5 mph.
Thursday
Mostly cloudy, with a high near 32. Southwest wind 5 to 10 mph.
Thursday Night
Mostly cloudy, with a low around 26. Southwest wind around 10 mph becoming northwest after midnight.
Friday
Partly sunny, with a high near 37. Northwest wind 10 to 15 mph.
Friday Night
Partly cloudy, with a low around 12.
Saturday
Partly sunny, with a high near 28.
Saturday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 16.
Sunday
Partly sunny, with a high near 29.
Sunday Night
Mostly cloudy, with a low around 16.
Monday
Partly sunny, with a high near 32.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Janesville WI
42.67°N 89.04°W (Elev. 774 ft)
42.67°N 89.04°W (Elev. 774 ft)
1:32 am CST Feb 3, 2026
2am CST Feb 3, 2026-6pm CST Feb 9, 2026
Additional Resources
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Hourly Weather Forecast
