Cortland, Illinois | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast day icon
    Friday
    40% Chance of Rain
    70°
    Forecast night icon
    Night
    Clear
    49°
    Friday 5/3
    Day
    70°
    40% Chance of Rain
    Forecast day icon
    Night
    49°
    Clear
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny with a chance of rain. Chance of precipitation 35%. High temperature around 70F. Dew point will be around 45F with an average humidity of 58%. Winds will be 11 mph from the N.
    Night Details
    Clear. Lows in the upper 40s. East winds 5 to 10 mph.
  • Forecast day icon
    Saturday
    50% Chance of Storms
    74°
    Forecast night icon
    Night
    50% Chance of Storms
    49°
    Saturday 5/4
    Day
    74°
    50% Chance of Storms
    Forecast day icon
    Night
    49°
    50% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Partly cloudy. Scattered thunderstorms in the afternoon. Highs around 80. South winds 10 to 15 mph. Chance of precipitation 50 percent.
    Night Details
    Mostly cloudy with scattered thunderstorms in the evening then partly cloudy after midnight. Lows around 50. Northwest winds 10 to 15 mph. Chance of precipitation 50 percent.
  • Forecast day icon
    Sunday
    Partly Cloudy
    66°
    Forecast night icon
    Night
    Partly Cloudy
    46°
    Sunday 5/5
    Day
    66°
    Partly Cloudy
    Forecast day icon
    Night
    46°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny in the morning then becoming partly cloudy. Highs around 70. Northeast winds 5 to 10 mph.
    Night Details
    Partly cloudy. Lows in the mid 40s. East winds 5 to 10 mph.
  • Forecast day icon
    Monday
    Partly Cloudy
    69°
    Forecast night icon
    Night
    60% Chance of Storms
    57°
    Monday 5/6
    Day
    69°
    Partly Cloudy
    Forecast day icon
    Night
    57°
    60% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Partly cloudy with a 20 percent chance of showers. Highs in the mid 70s.
    Night Details
    Mostly cloudy. A slight chance of showers in the evening then showers likely with a slight chance of thunderstorms after midnight. Lows in the upper 50s. Chance of precipitation 60 percent.
  • Forecast day icon
    Tuesday
    80% Chance of Storms
    77°
    Forecast night icon
    Night
    40% Chance of Storms
    57°
    Tuesday 5/7
    Day
    77°
    80% Chance of Storms
    Forecast day icon
    Night
    57°
    40% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Showers likely with a slight chance of thunderstorms in the morning then showers with a chance of thunderstorms in the afternoon. Highs in the upper 70s. Chance of precipitation 80 percent.
    Night Details
    Mostly clear. A chance of thunderstorms in the evening. Lows in the upper 50s. Chance of precipitation 40 percent.
  • Forecast day icon
    Wednesday
    50% Chance Rain Showers
    75°
    Forecast night icon
    Night
    50% Chance of Storms
    58°
    Wednesday 5/8
    Day
    75°
    50% Chance Rain Showers
    Forecast day icon
    Night
    58°
    50% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Partly cloudy. A chance of showers in the afternoon. Highs in the upper 70s. Chance of precipitation 50 percent.
    Night Details
    Partly cloudy. A chance of thunderstorms in the evening. Lows in the mid 50s. Chance of precipitation 50 percent.
  • Forecast day icon
    Thursday
    30% Chance Rain Showers
    75°
    Forecast night icon
    Night
    30% Chance Rain Showers
    52°
    Thursday 5/9
    Day
    75°
    30% Chance Rain Showers
    Forecast day icon
    Night
    52°
    30% Chance Rain Showers
    Forecast night icon
    Day Details
    Partly cloudy. A chance of showers in the afternoon. Highs in the lower 70s. Chance of precipitation 30 percent.
    Night Details
    Partly cloudy. A chance of showers in the evening. Lows in the lower 50s. Chance of precipitation 30 percent.
  • Forecast day icon
    Friday
    30% Chance Rain Showers
    62°
    Forecast night icon
    Night
    30% Chance of Rain
    44°
    Friday 5/10
    Day
    62°
    30% Chance Rain Showers
    Forecast day icon
    Night
    44°
    30% Chance of Rain
    Forecast night icon
    Day Details
    Partly cloudy in the morning then becoming mostly cloudy. A 30 percent chance of showers. Highs in the mid 60s.
    Night Details
    Partly cloudy with a slight chance of rain. Chance of precipitation 25%. Low temperature around 44F. Dew point will be around 40F with an average humidity of 70%. Winds will be 9 mph from the NW.
  • Forecast day icon
    Saturday
    30% Chance of Rain
    61°
    Forecast night icon
    Night
    Mostly Clear
    44°
    Saturday 5/11
    Day
    61°
    30% Chance of Rain
    Forecast day icon
    Night
    44°
    Mostly Clear
    Forecast night icon
    Day Details
    Sunny with a slight chance of rain. Chance of precipitation 30%. High temperature around 61F. Dew point will be around 37F with an average humidity of 51%. Winds will be 12 mph from the NW.
    Night Details
    Mostly clear. Low temperature around 44F. Dew point will be around 39F with an average humidity of 67%. Winds will be 7 mph from the NW.
  • Forecast day icon
    Sunday
    30% Chance of Rain
    64°
    Forecast night icon
    Night
    Clear
    46°
    Sunday 5/12
    Day
    64°
    30% Chance of Rain
    Forecast day icon
    Night
    46°
    Clear
    Forecast night icon
    Day Details
    Sunny with a slight chance of rain. Chance of precipitation 25%. High temperature around 64F. Dew point will be around 37F with an average humidity of 48%. Winds will be 9 mph from the NW.
    Night Details
    Clear. Low temperature around 46F. Dew point will be around 38F with an average humidity of 61%. Winds will be 4 mph from the NW.