Thursday
Clouds clearing
High:
78°F
Mostly cloudy, then gradually becoming sunny, with a high near 78. Calm wind becoming east around 5 mph.
Janesville, WI Weather - Extended Forecast
Thursday Night
Mostly clear
Overnight low:
58°F
Mostly clear, with a low around 58. Calm wind.
Friday
Mostly sunny
High:
80°F
Mostly sunny, with a high near 80. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.
Friday Night
Chance of showers and thunderstorms
Overnight low:
63°F
A 20 percent chance of showers. Mostly clear, with a low around 63. Southwest wind around 5 mph.
Saturday
Mostly sunny
High:
80°F
Saturday Night
Chance of thunderstorms
Overnight low:
63°F
Sunday
Slight chance of thunderstorms
High:
81°F
Sunday Night
Chance of thunderstorms
Overnight low:
66°F
Monday
Showers likely
High:
82°F