Monday
Mostly sunny
High:
78°F
Mostly sunny, with a high near 78. South wind 5 to 15 mph.
Janesville, WI Weather - Tomorrow’s Forecast
Monday Night
Chance of thunderstorms
Overnight low:
58°F
A chance of rain and thunderstorms, then rain likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 58. South wind around 10 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.