Wednesday
Chance of showers and thunderstorms
High:
60°F
A 20 percent chance of showers before 1pm. Mostly cloudy, with a high near 60. East wind 5 to 10 mph.
Janesville, WI Weather - Tomorrow’s Forecast
Wednesday Night
Mostly cloudy
Overnight low:
48°F
Mostly cloudy, with a low around 48. East wind around 5 mph becoming calm in the evening.