Current conditions at
Janesville-Rock County (KJVL)
Lat: 42.62°NLon: 89.04°WElev: 801ft.
Overcast
19°F
-7°C
| Humidity | 93% |
| Wind Speed | N 5 mph |
| Barometer | 30.37 in |
| Dewpoint | 18°F (-8°C) |
| Visibility | 10.00 mi |
| Wind Chill | 12°F (-11°C) |
| Last update | 1 Mar 12:55 am CST |
Extended Forecast for
Janesville WI
Overnight

Low: 17 °F
Partly Cloudy
Sunday

High: 33 °F
Mostly Sunny
Sunday Night

Low: 20 °F
Partly Cloudy
Monday

High: 42 °F
Mostly Sunny
Monday Night
Low: 31 °F
Mostly Cloudy
then Chance
Rain/SnowTuesday
High: 45 °F
Rain Likely
then Chance
RainTuesday Night

Low: 33 °F
Slight Chance
RainWednesday

High: 47 °F
Chance Rain
Wednesday Night

Low: 38 °F
Chance Rain
Detailed Forecast
Overnight
Partly cloudy, with a low around 17. Northeast wind around 5 mph.
Sunday
Mostly sunny, with a high near 33. Northeast wind around 5 mph.
Sunday Night
Partly cloudy, with a low around 20. Southeast wind around 5 mph.
Monday
Mostly sunny, with a high near 42. Southeast wind 5 to 10 mph.
Monday Night
A chance of rain and snow before 1am, then a chance of rain between 1am and 5am, then a chance of rain and snow after 5am. Mostly cloudy, with a low around 31. Southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 50%.
Tuesday
Rain likely, mainly before noon. Mostly cloudy, with a high near 45. Calm wind becoming east around 5 mph in the morning. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 33. East wind around 5 mph.
Wednesday
A chance of rain, with thunderstorms also possible after noon. Partly sunny, with a high near 47. East wind 5 to 10 mph. Chance of precipitation is 50%.
Wednesday Night
A chance of rain and thunderstorms. Mostly cloudy, with a low around 38. Chance of precipitation is 40%.
Thursday
A 40 percent chance of rain. Mostly cloudy, with a high near 53.
Thursday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 41.
Friday
Rain likely. Mostly cloudy, with a high near 62. Chance of precipitation is 70%.
Friday Night
Rain likely. Mostly cloudy, with a low around 40. Chance of precipitation is 60%.
Saturday
A 40 percent chance of rain. Mostly cloudy, with a high near 56.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Janesville WI
42.67°N 89.04°W (Elev. 774 ft)
42.67°N 89.04°W (Elev. 774 ft)
12:21 am CST Mar 1, 2026
1am CST Mar 1, 2026-6pm CST Mar 7, 2026


