Janesville, Illinois | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast day icon
    Saturday
    Sunny
    71°
    Forecast night icon
    Night
    Clear
    52°
    Saturday 5/11
    Day
    71°
    Sunny
    Forecast day icon
    Night
    52°
    Clear
    Forecast night icon
    Hourly
    Day Details
    Sunny. Highs in the lower 70s. Northwest winds 15 to 20 mph with gusts up to 30 mph.
    Night Details
    Clear. Lows around 50. Northwest winds 10 to 15 mph becoming west around 5 mph after midnight.
  • Forecast day icon
    Sunday
    Sunny
    78°
    Forecast night icon
    Night
    Partly Cloudy
    60°
    Sunday 5/12
    Day
    78°
    Sunny
    Forecast day icon
    Night
    60°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Sunny. Highs in the upper 70s. Southwest winds 5 to 10 mph.
    Night Details
    Partly cloudy in the evening then becoming mostly cloudy. Lows in the upper 50s. South winds around 10 mph.
  • Forecast day icon
    Monday
    80% Chance of Storms
    71°
    Forecast night icon
    Night
    80% Chance of Storms
    60°
    Monday 5/13
    Day
    71°
    80% Chance of Storms
    Forecast day icon
    Night
    60°
    80% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy. A chance of showers in the morning then showers with a chance of thunderstorms in the afternoon. Highs in the lower 70s. Temperature falling into the upper 60s in the afternoon. South winds around 10 mph. Chance of rain 80 percent.
    Night Details
    A chance of thunderstorms. Showers. Lows in the upper 50s. Chance of rain 80 percent.
  • Forecast day icon
    Tuesday
    70% Chance of Storms
    66°
    Forecast night icon
    Night
    Partly Cloudy
    51°
    Tuesday 5/14
    Day
    66°
    70% Chance of Storms
    Forecast day icon
    Night
    51°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Showers likely with a chance of thunderstorms. Highs around 70. Chance of rain 70 percent.
    Night Details
    Mostly cloudy in the evening then becoming partly cloudy. Lows in the lower 50s.
  • Forecast day icon
    Wednesday
    Sunny
    71°
    Forecast night icon
    Night
    Partly Cloudy
    55°
    Wednesday 5/15
    Day
    71°
    Sunny
    Forecast day icon
    Night
    55°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Sunny. Highs in the lower 70s.
    Night Details
    Mostly clear in the evening then becoming partly cloudy. Lows in the mid 50s.
  • Forecast day icon
    Thursday
    40% Chance of Storms
    74°
    Forecast night icon
    Night
    40% Chance of Storms
    60°
    Thursday 5/16
    Day
    74°
    40% Chance of Storms
    Forecast day icon
    Night
    60°
    40% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the mid 70s. Chance of rain 40 percent.
    Night Details
    Mostly cloudy. A chance of showers and thunderstorms. Lows around 60. Highs in the mid 70s. Chance of rain 40 percent.
  • Forecast day icon
    Friday
    40% Chance of Storms
    73°
    Forecast night icon
    Night
    30% Chance of Rain
    54°
    Friday 5/17
    Day
    73°
    40% Chance of Storms
    Forecast day icon
    Night
    54°
    30% Chance of Rain
    Forecast night icon
    Day Details
    Mostly cloudy. A chance of showers and thunderstorms. Lows around 60. Highs in the mid 70s. Chance of rain 40 percent.
    Night Details
    Partly cloudy with a slight chance of rain. Chance of precipitation 30%. Low temperature around 54F. Dew point will be around 58F with an average humidity of 86%. Winds will be 6 mph from the N.
  • Forecast day icon
    Saturday
    Sunny
    74°
    Forecast night icon
    Night
    Clear
    57°
    Saturday 5/18
    Day
    74°
    Sunny
    Forecast day icon
    Night
    57°
    Clear
    Forecast night icon
    Day Details
    Sunny. High temperature around 74F. Dew point will be around 54F with an average humidity of 63%. Winds will be 6 mph from the W.
    Night Details
    Clear. Low temperature around 57F. Dew point will be around 54F with an average humidity of 74%. Winds will be 4 mph from the SW.
  • Forecast day icon
    Sunday
    30% Chance of Rain
    76°
    Forecast night icon
    Night
    30% Chance of Rain
    57°
    Sunday 5/19
    Day
    76°
    30% Chance of Rain
    Forecast day icon
    Night
    57°
    30% Chance of Rain
    Forecast night icon
    Day Details
    Sunny with a slight chance of rain. Chance of precipitation 25%. High temperature around 76F. Dew point will be around 56F with an average humidity of 65%. Winds will be 5 mph from the W.
    Night Details
    Clear with a slight chance of rain. Chance of precipitation 25%. Low temperature around 57F. Dew point will be around 55F with an average humidity of 75%. Winds will be 2 mph from the SW.
  • Forecast day icon
    Monday
    Sunny
    74°
    Forecast night icon
    Night
    40% Chance of Rain
    56°
    Monday 5/20
    Day
    74°
    Sunny
    Forecast day icon
    Night
    56°
    40% Chance of Rain
    Forecast night icon
    Day Details
    Sunny. High temperature around 74F. Dew point will be around 55F with an average humidity of 64%. Winds will be 3 mph from the W.
    Night Details
    Mostly clear with a chance of rain. Chance of precipitation 35%. Low temperature around 56F. Dew point will be around 54F with an average humidity of 75%. Winds will be 1 mph from the S.