DeKalb, Illinois | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast day icon
    Friday
    Mostly Sunny
    69°
    Forecast night icon
    Night
    Clear
    47°
    Friday 5/3
    Day
    69°
    Mostly Sunny
    Forecast day icon
    Night
    47°
    Clear
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny. Highs in the lower 70s. North winds 10 to 15 mph.
    Night Details
    Clear. Lows in the upper 40s. East winds 5 to 10 mph.
  • Forecast day icon
    Saturday
    40% Chance of Storms
    73°
    Forecast night icon
    Night
    50% Chance of Storms
    49°
    Saturday 5/4
    Day
    73°
    40% Chance of Storms
    Forecast day icon
    Night
    49°
    50% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Partly cloudy in the morning then mostly cloudy with a chance of thunderstorms in the afternoon. Highs in the upper 70s. South winds 5 to 10 mph in the morning becoming southwest in the afternoon. Chance of precipitation 40 percent.
    Night Details
    Mostly cloudy with a chance of thunderstorms in the evening then partly cloudy after midnight. Lows in the upper 40s. Northwest winds 10 to 15 mph. Chance of precipitation 50 percent.
  • Forecast day icon
    Sunday
    Mostly Sunny
    66°
    Forecast night icon
    Night
    Partly Cloudy
    46°
    Sunday 5/5
    Day
    66°
    Mostly Sunny
    Forecast day icon
    Night
    46°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny. Highs around 70. Northeast winds 5 to 10 mph.
    Night Details
    Partly cloudy. Lows in the mid 40s.
  • 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. A slight chance of showers in the afternoon. Highs in the mid 70s. Chance of precipitation 20 percent.
    Night Details
    Partly cloudy with a slight chance of showers in the evening then mostly cloudy with showers likely with a 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 with a chance of thunderstorms in the morning then showers likely with a chance of thunderstorms in the afternoon. Highs in the upper 70s. Chance of precipitation 80 percent.
    Night Details
    Partly cloudy. A chance of thunderstorms in the evening. Lows in the mid 50s. Chance of precipitation 40 percent.
  • Forecast day icon
    Wednesday
    50% Chance Rain Showers
    75°
    Forecast night icon
    Night
    30% Chance of Storms
    58°
    Wednesday 5/8
    Day
    75°
    50% Chance Rain Showers
    Forecast day icon
    Night
    58°
    30% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy in the morning then partly cloudy with 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 30 percent.
  • Forecast day icon
    Thursday
    Partly Cloudy
    75°
    Forecast night icon
    Night
    30% Chance of Rain
    52°
    Thursday 5/9
    Day
    75°
    Partly Cloudy
    Forecast day icon
    Night
    52°
    30% Chance of Rain
    Forecast night icon
    Day Details
    Partly cloudy. Highs in the lower 70s.
    Night Details
    Partly cloudy with a slight chance of rain. Chance of precipitation 30%. Low temperature around 52F. Dew point will be around 46F with an average humidity of 68%. Winds will be 8 mph from the N.
  • Forecast day icon
    Friday
    40% Chance of Rain
    62°
    Forecast night icon
    Night
    30% Chance of Rain
    44°
    Friday 5/10
    Day
    62°
    40% Chance of Rain
    Forecast day icon
    Night
    44°
    30% Chance of Rain
    Forecast night icon
    Day Details
    Mostly cloudy with a chance of rain. Chance of precipitation 35%. High temperature around 62F. Dew point will be around 44F with an average humidity of 58%. Winds will be 10 mph from the NW.
    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 3 mph from the NW.