Janesville, WI Weather - Extended Forecast

Tuesday

Showers

High:
81°F

Showers and thunderstorms before noon, then showers likely and possibly a thunderstorm between noon and 3pm, then a chance of showers and thunderstorms after 3pm. Patchy fog before 8am. High near 81. Calm wind becoming east around 5 mph in the morning. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Tuesday Night

Chance of thunderstorms

Overnight low:
65°F

A chance of showers and thunderstorms. Mostly cloudy, with a low around 65. Northeast wind around 5 mph becoming calm. Chance of precipitation is 50%.

Wednesday

Slight chance of thunderstorms

High:
82°F

A slight chance of showers, with thunderstorms also possible after 10am. Partly sunny, with a high near 82. Calm wind becoming northwest around 5 mph in the morning. Chance of precipitation is 20%.

Wednesday Night

Partly cloudy

Overnight low:
62°F

Partly cloudy, with a low around 62. Northwest wind around 5 mph becoming calm in the evening.

Thursday

Partly sunny

High:
77°F

Thursday Night

Mostly cloudy

Overnight low:
57°F

Friday

Chance of showers and thunderstorms

High:
74°F

Friday Night

Chance of showers

Overnight low:
58°F

Saturday

Chance of showers

High:
75°F

Saturday Night

Chance of showers

Overnight low:
60°F

Sunday

Chance of showers

High:
75°F