Weather in Janesville, Wisconsin, United States

7-Day Detailed Weather Forecast for Janesville

Overnight

Temperature: 71°F

Wind Speed: 10 mph

Wind Direction: S

Forecast: Mostly cloudy, with a low around 71. South wind around 10 mph.

Wednesday

Temperature: 92°F

Wind Speed: 10 to 15 mph

Wind Direction: S

Forecast: A slight chance of showers and thunderstorms between 7am and 10am. Mostly sunny, with a high near 92. Heat index values as high as 105. South wind 10 to 15 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.

Wednesday Night

Temperature: 75°F

Wind Speed: 10 to 15 mph

Wind Direction: S

Forecast: Mostly clear, with a low around 75. Heat index values as high as 101. South wind 10 to 15 mph.

Thursday

Temperature: 88°F

Wind Speed: 5 to 10 mph

Wind Direction: SW

Forecast: A chance of rain showers between 7am and 10am, then a chance of showers and thunderstorms between 10am and 1pm, then showers and thunderstorms likely. Partly sunny, with a high near 88. Heat index values as high as 98. Southwest wind 5 to 10 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

Thursday Night

Temperature: 69°F

Wind Speed: 0 to 10 mph

Wind Direction: W

Forecast: Showers and thunderstorms likely before 1am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 69. West wind 0 to 10 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

Friday

Temperature: 83°F

Wind Speed: 0 to 5 mph

Wind Direction: NE

Forecast: A chance of rain showers before 1pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 83. Northeast wind 0 to 5 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.

Friday Night

Temperature: 65°F

Wind Speed: 0 to 5 mph

Wind Direction: SE

Forecast: A chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 65. Southeast wind 0 to 5 mph. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.

Saturday

Temperature: 82°F

Wind Speed: 0 to 5 mph

Wind Direction: S

Forecast: A chance of showers and thunderstorms before 7am, then a chance of showers and thunderstorms between 7am and 1pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 82. South wind 0 to 5 mph. Chance of precipitation is 50%. New rainfall amounts between a half and three quarters of an inch possible.

Saturday Night

Temperature: 67°F

Wind Speed: 0 to 5 mph

Wind Direction: SW

Forecast: A chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 67. Chance of precipitation is 30%.

Sunday

Temperature: 88°F

Wind Speed: 0 to 5 mph

Wind Direction: SW

Forecast: Sunny, with a high near 88.

Sunday Night

Temperature: 68°F

Wind Speed: 0 mph

Wind Direction:

Forecast: A slight chance of showers and thunderstorms after 1am. Mostly clear, with a low around 68. Chance of precipitation is 20%.

Monday

Temperature: 88°F

Wind Speed: 0 to 10 mph

Wind Direction: SW

Forecast: A slight chance of showers and thunderstorms before 7am, then a chance of showers and thunderstorms between 7am and 1pm, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 88. Chance of precipitation is 30%.

Monday Night

Temperature: 69°F

Wind Speed: 0 to 5 mph

Wind Direction: NW

Forecast: A slight chance of showers and thunderstorms. Mostly clear, with a low around 69. Chance of precipitation is 20%.

Tuesday

Temperature: 84°F

Wind Speed: 5 to 10 mph

Wind Direction: N

Forecast: A slight chance of showers and thunderstorms. Mostly sunny, with a high near 84. Chance of precipitation is 20%.