Janesville, WI Weather - Extended Forecast

Saturday

Chance of thunderstorms

High:
78°F

A slight chance of thunderstorms before 7am, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 78. Windy, with a southwest wind 20 to 25 mph, with gusts as high as 35 mph. Chance of precipitation is 30%.

Saturday Night

Showers likely

Overnight low:
62°F

Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 62. South wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

Sunday

Showers

High:
75°F

Showers and possibly a thunderstorm. High near 75. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

Sunday Night

Showers

Overnight low:
60°F

Showers and possibly a thunderstorm. Low around 60. Breezy, with a south wind around 20 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Monday

Showers likely

High:
69°F

Monday Night

Partly cloudy

Overnight low:
48°F

Tuesday

Sunny

High:
74°F

Tuesday Night

Chance of showers

Overnight low:
53°F

Wednesday

Mostly sunny

High:
72°F

Wednesday Night

Chance of showers and thunderstorms

Overnight low:
47°F

Thursday

Chance of showers and thunderstorms

High:
65°F