Janesville, WI Weather - Extended Forecast

Wednesday

Partly sunny

High:
55°F

Partly sunny, with a high near 55. Northwest wind 5 to 10 mph.

Wednesday Night

Mostly cloudy

Overnight low:
34°F

Areas of frost after 2am. Otherwise, mostly cloudy, with a low around 34. Northwest wind around 5 mph becoming calm in the evening.

Thursday

Frost in some areas

High:
58°F

A slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Areas of frost before 8am. Otherwise, mostly sunny, with a high near 58. Light west wind increasing to 5 to 10 mph in the morning. Chance of precipitation is 20%.

Thursday Night

Slight chance of thunderstorms

Overnight low:
41°F

A slight chance of thunderstorms before 7pm. Partly cloudy, with a low around 41. Southwest wind around 5 mph. Chance of precipitation is 10%.

Friday

Partly sunny

High:
63°F

Friday Night

Chance of showers and thunderstorms

Overnight low:
40°F

Saturday

Sunny

High:
68°F

Saturday Night

Partly cloudy

Overnight low:
46°F

Sunday

Chance of showers and thunderstorms

High:
65°F

Sunday Night

Chance of showers and thunderstorms

Overnight low:
42°F

Monday

Mostly sunny

High:
65°F