Janesville, WI Weather - Extended Forecast

Tuesday

Slight chance of thunderstorms

High:
88°F

Showers and thunderstorms likely, mainly after 1pm. Mostly sunny, with a high near 88. West wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Tuesday Night

Thunderstorms likely

Overnight low:
65°F

Showers and thunderstorms likely. Mostly cloudy, with a low around 65. West wind around 5 mph becoming calm. Chance of precipitation is 70%. New rainfall amounts between 1 and 2 inches possible.

Wednesday

Thunderstorms

High:
80°F

Showers and thunderstorms likely, then showers and possibly a thunderstorm after 1pm. High near 80. Southeast wind 5 to 10 mph becoming west in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

Wednesday Night

Chance of thunderstorms

Overnight low:
61°F

A chance of showers and thunderstorms before 1am, then a slight chance of showers. Partly cloudy, with a low around 61. Northwest wind 5 to 10 mph. Chance of precipitation is 30%.

Juneteenth

Chance of showers and thunderstorms

High:
81°F

Thursday Night

Mostly clear

Overnight low:
61°F

Friday

Chance of showers and thunderstorms

High:
85°F

Friday Night

Chance of thunderstorms

Overnight low:
69°F

Saturday

Chance of showers and thunderstorms

High:
89°F