Round Lake, Illinois | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast night icon
    Night
    Hazy
    60°
    Friday 5/17
    Forecast night icon
    60°
    Hazy
    Hourly
    Night Details
    Clear. Low temperature around 60F. Dew point will be around 54F with an average humidity of 95%. Winds will be 2 mph from the E.
  • Forecast day icon
    Saturday
    Mostly Sunny
    86°
    Forecast night icon
    Night
    Partly Cloudy
    66°
    Saturday 5/18
    Day
    86°
    Mostly Sunny
    Forecast day icon
    Night
    66°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny. Unseasonably warm. Highs in the mid 80s inland but only in the mid 70s near the lake. South winds 5 to 10 mph.
    Night Details
    Mostly clear in the evening then becoming partly cloudy. Unseasonably mild. Lows in the mid 60s. South winds 5 to 10 mph in the evening becoming west after midnight.
  • Forecast day icon
    Sunday
    Mostly Sunny
    82°
    Forecast night icon
    Night
    Mostly Cloudy
    60°
    Sunday 5/19
    Day
    82°
    Mostly Sunny
    Forecast day icon
    Night
    60°
    Mostly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny. Highs in the upper 70s inland but only in the upper 60s near the lake. Northeast winds 5 to 10 mph.
    Night Details
    Mostly cloudy. A slight chance of showers and thunderstorms after midnight. Lows in the upper 50s. East winds around 5 mph in the evening becoming southeast after midnight. Chance of precipitation 20 percent.
  • Forecast day icon
    Monday
    60% Chance of Storms
    88°
    Forecast night icon
    Night
    70% Chance of Storms
    68°
    Monday 5/20
    Day
    88°
    60% Chance of Storms
    Forecast day icon
    Night
    68°
    70% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy. A chance of showers and thunderstorms in the morning then showers and thunderstorms likely in the afternoon. More humid with highs in the lower 80s. South winds 10 to 15 mph. Chance of precipitation 60 percent.
    Night Details
    Showers and thunderstorms likely. Lows in the lower 60s. Chance of precipitation 70 percent.
  • Forecast day icon
    Tuesday
    60% Chance of Storms
    85°
    Forecast night icon
    Night
    80% Chance of Storms
    69°
    Tuesday 5/21
    Day
    85°
    60% Chance of Storms
    Forecast day icon
    Night
    69°
    80% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy. A chance of showers and thunderstorms in the morning then showers and thunderstorms likely in the afternoon. Highs in the mid 80s inland but only in the upper 70s near the lake. Chance of precipitation 60 percent.
    Night Details
    Mostly cloudy. Showers and thunderstorms mainly in the evening. Lows in the lower 60s. Chance of precipitation 80 percent.
  • Forecast day icon
    Wednesday
    30% Chance Rain Showers
    78°
    Forecast night icon
    Night
    30% Chance Rain Showers
    56°
    Wednesday 5/22
    Day
    78°
    30% Chance Rain Showers
    Forecast day icon
    Night
    56°
    30% Chance Rain Showers
    Forecast night icon
    Hourly
    Day Details
    Partly cloudy with a chance of showers. Highs in the lower 70s. Chance of precipitation 30 percent.
    Night Details
    Partly cloudy with a chance of showers in the evening then mostly clear after midnight. Lows in the lower 50s. Chance of precipitation 30 percent.
  • Forecast day icon
    Thursday
    Mostly Sunny
    70°
    Forecast night icon
    Night
    Partly Cloudy
    54°
    Thursday 5/23
    Day
    70°
    Mostly Sunny
    Forecast day icon
    Night
    54°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny. Highs in the upper 60s.
    Night Details
    Partly cloudy. Lows in the lower 50s.
  • Forecast day icon
    Friday
    30% Chance Rain Showers
    73°
    Forecast night icon
    Night
    30% Chance of Rain
    58°
    Friday 5/24
    Day
    73°
    30% Chance Rain Showers
    Forecast day icon
    Night
    58°
    30% Chance of Rain
    Forecast night icon
    Day Details
    Partly cloudy. A chance of showers in the afternoon. Highs in the upper 60s inland but only in the mid 60s near the lake. Chance of precipitation 30 percent.
    Night Details
    Partly cloudy with a slight chance of rain. Chance of precipitation 30%. Low temperature around 58F. Dew point will be around 52F with an average humidity of 73%. Winds will be 4 mph from the E.
  • Forecast day icon
    Saturday
    30% Chance of Rain
    74°
    Forecast night icon
    Night
    40% Chance of Rain
    60°
    Saturday 5/25
    Day
    74°
    30% Chance of Rain
    Forecast day icon
    Night
    60°
    40% Chance of Rain
    Forecast night icon
    Day Details
    Partly cloudy with a slight chance of rain. Chance of precipitation 30%. High temperature around 74F. Dew point will be around 56F with an average humidity of 65%. Winds will be 3 mph from the S.
    Night Details
    Mostly cloudy with a chance of rain. Chance of precipitation 40%. Low temperature around 60F. Dew point will be around 56F with an average humidity of 76%. Winds will be 1 mph from the SE.
  • Forecast day icon
    Sunday
    40% Chance of Rain
    76°
    Forecast night icon
    Night
    30% Chance of Rain
    59°
    Sunday 5/26
    Day
    76°
    40% Chance of Rain
    Forecast day icon
    Night
    59°
    30% Chance of Rain
    Forecast night icon
    Day Details
    Partly cloudy with a chance of rain. Chance of precipitation 35%. High temperature around 76F. Dew point will be around 58F with an average humidity of 65%. Winds will be 1 mph from the W.
    Night Details
    Mostly clear with a slight chance of rain. Chance of precipitation 30%. Low temperature around 59F. Dew point will be around 56F with an average humidity of 76%. Winds will be 2 mph from the NW.