Thursday
Mostly sunny
High:
76°F
Mostly sunny, with a high near 76. Calm wind becoming northwest around 5 mph in the morning.
Janesville, WI Weather - Extended Forecast
Thursday Night
Partly cloudy
Overnight low:
55°F
Partly cloudy, with a low around 55. Northeast wind around 5 mph becoming calm in the evening.
Friday
Mostly sunny
High:
77°F
Mostly sunny, with a high near 77. East wind 5 to 10 mph.
Friday Night
Partly cloudy
Overnight low:
57°F
Partly cloudy, with a low around 57. East wind 5 to 10 mph becoming light in the evening.
Saturday
Mostly sunny
High:
81°F
Saturday Night
Partly cloudy
Overnight low:
63°F
Sunday
Slight chance of thunderstorms
High:
87°F
Sunday Night
Slight chance of thunderstorms
Overnight low:
71°F
Monday
Hot
High:
92°F