Janesville, Illinois | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast night icon
    Night
    Mostly Clear
    45°
    Tuesday 4/23
    Forecast night icon
    45°
    Mostly Clear
    Hourly
    Night Details
    Mostly clear. Areas of dense fog. Lows in the lower 40s. West winds around 10 mph becoming northwest.
  • Forecast day icon
    Wednesday
    Sunny
    58°
    Forecast night icon
    Night
    Mostly Clear
    37°
    Wednesday 4/24
    Day
    58°
    Sunny
    Forecast day icon
    Night
    37°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Patchy fog in the morning. Sunny. Highs in the lower 60s. North winds around 10 mph.
    Night Details
    Mostly clear. Lows in the upper 30s. Northeast winds 5 to 10 mph.
  • Forecast day icon
    Thursday
    Mostly Sunny
    62°
    Forecast night icon
    Night
    30% Chance Rain Showers
    49°
    Thursday 4/25
    Day
    62°
    Mostly Sunny
    Forecast day icon
    Night
    49°
    30% Chance Rain Showers
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny. Highs in the mid 60s. East winds 5 to 10 mph.
    Night Details
    Mostly cloudy. A chance of showers after midnight. Not as cool with lows in the upper 40s. East winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 30 percent.
  • Forecast day icon
    Friday
    80% Chance of Storms
    68°
    Forecast night icon
    Night
    80% Chance of Storms
    64°
    Friday 4/26
    Day
    68°
    80% Chance of Storms
    Forecast day icon
    Night
    64°
    80% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Showers with a chance of thunderstorms. Breezy. Highs around 70. Lows in the lower 60s. Chance of rain 80 percent.
    Night Details
    Showers with a chance of thunderstorms. Breezy. Highs around 70. Lows in the lower 60s. Chance of rain 80 percent.
  • Forecast day icon
    Saturday
    50% Chance of Storms
    75°
    Forecast night icon
    Night
    40% Chance Rain Showers
    66°
    Saturday 4/27
    Day
    75°
    50% Chance of Storms
    Forecast day icon
    Night
    66°
    40% Chance Rain Showers
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy in the morning then becoming partly sunny. A chance of showers and thunderstorms. Breezy with highs in the upper 70s. Chance of rain 50 percent.
    Night Details
    Mostly cloudy with a chance of showers. Breezy with lows in the mid 60s. Chance of rain 40 percent.
  • Forecast day icon
    Sunday
    50% Chance of Storms
    78°
    Forecast night icon
    Night
    70% Chance of Storms
    65°
    Sunday 4/28
    Day
    78°
    50% Chance of Storms
    Forecast day icon
    Night
    65°
    70% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Partly sunny with a chance of showers. A chance of thunderstorms in the afternoon. Breezy with highs in the upper 70s. Chance of rain 50 percent.
    Night Details
    Showers likely with a chance of thunderstorms. Breezy with lows in the lower 60s. Chance of rain 70 percent.
  • Forecast day icon
    Monday
    70% Chance Rain Showers
    70°
    Forecast night icon
    Night
    50% Chance Rain Showers
    57°
    Monday 4/29
    Day
    70°
    70% Chance Rain Showers
    Forecast day icon
    Night
    57°
    50% Chance Rain Showers
    Forecast night icon
    Hourly
    Day Details
    Becoming partly sunny in the afternoon. Showers likely mainly in the morning. Highs in the lower 70s. Chance of rain 70 percent.
    Night Details
    Partly cloudy. A chance of showers in the evening. Lows in the lower 50s. Chance of rain 50 percent.
  • Forecast day icon
    Tuesday
    Mostly Sunny
    71°
    Forecast night icon
    Night
    Clear
    56°
    Tuesday 4/30
    Day
    71°
    Mostly Sunny
    Forecast day icon
    Night
    56°
    Clear
    Forecast night icon
    Day Details
    Mostly sunny. Highs in the lower 70s.
    Night Details
    Clear. Low temperature around 56F. Dew point will be around 51F with an average humidity of 71%. Winds will be 2 mph from the S.
  • Forecast day icon
    Wednesday
    Sunny
    76°
    Forecast night icon
    Night
    Clear
    59°
    Wednesday 5/1
    Day
    76°
    Sunny
    Forecast day icon
    Night
    59°
    Clear
    Forecast night icon
    Day Details
    Sunny. High temperature around 76F. Dew point will be around 53F with an average humidity of 60%. Winds will be 4 mph from the S.
    Night Details
    Clear. Low temperature around 59F. Dew point will be around 54F with an average humidity of 70%. Winds will be 4 mph from the SE.
  • Forecast day icon
    Thursday
    Mostly Sunny
    75°
    Forecast night icon
    Night
    Partly Cloudy
    60°
    Thursday 5/2
    Day
    75°
    Mostly Sunny
    Forecast day icon
    Night
    60°
    Partly Cloudy
    Forecast night icon
    Day Details
    Mostly sunny. High temperature around 75F. Dew point will be around 56F with an average humidity of 64%. Winds will be 5 mph from the S.
    Night Details
    Partly cloudy. Low temperature around 60F. Dew point will be around 56F with an average humidity of 73%. Winds will be 3 mph from the S.