10-Day Weather Forecast - Janesville, IL

Sunny, hot with highs in the upper 90s. Southwest winds around 5 mph. Heat index values up to 104.

Mostly clear. Lows in the mid 70s. Southwest winds around 5 mph in the evening, becoming light and variable.

Sunny, hot with highs in the mid 90s. Northwest winds around 5 mph. Heat index values up to 104.

Mostly clear. Humid with lows in the upper 60s. Northeast winds around 5 mph.

Mostly clear. Highs in the upper 80s.

Mostly clear. Lows in the lower 60s.

Mostly clear. Highs in the upper 80s.

Mostly clear. Lows in the lower 60s.

Mostly clear. Hot. Highs in the mid 90s.

Mostly clear. Hot. Lows in the lower 70s.

Mostly clear. Hot. Highs in the mid 90s.

Mostly clear. Hot. Lows in the lower 70s.

Mostly sunny. Highs in the lower 90s.

Clear with a slight chance of rain. Chance of precipitation 25%. Low temperature around 72F. Dew point will be around 67F with an average humidity of 72%. Winds will be 2 mph from the SW.

Mostly sunny. High temperature around 87F. Dew point will be around 66F with an average humidity of 61%. Winds will be 2 mph from the W.

Clear. Low temperature around 67F. Dew point will be around 65F with an average humidity of 77%. Winds will be 2 mph from the SE.

Sunny. High temperature around 87F. Dew point will be around 65F with an average humidity of 63%. Winds will be 4 mph from the S.

Clear. Low temperature around 67F. Dew point will be around 65F with an average humidity of 76%. Winds will be 3 mph from the S.