10-Day Weather Forecast - Lemont, IL

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  • 63|55°F
    Mostly Cloudy
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    Today

    63°F

    Mostly cloudy. Highs in the upper 60s. East winds around 10 mph.

    Tonight

    55°F

    Partly cloudy in the evening then becoming mostly cloudy. Lows in the lower 50s. Southeast winds 10 to 15 mph. Gusts up to 25 mph after midnight.

    Hourly details
  • Day

    68°F

    Mostly cloudy. A chance of showers and thunderstorms in the morning then showers and thunderstorms in the afternoon. Some thunderstorms may be severe in the afternoon. Locally heavy rainfall possible in the afternoon. Breezy with highs in the mid 70s. Southeast winds 15 to 20 mph becoming south 15 to 25 mph in the afternoon. Gusts up to 35 mph. Chance of precipitation 90 percent.

    Night

    55°F

    Mostly cloudy. Showers and thunderstorms in the evening then a slight chance of showers after midnight. Some thunderstorms may be severe. Locally heavy rainfall possible in the evening. Breezy with lows in the lower 50s. South winds 15 to 25 mph with gusts up to 35 mph becoming southwest 10 to 15 mph with gusts up to 25 mph after midnight. Chance of precipitation 90 percent.

    Hourly details
  • Day

    61°F

    Mostly cloudy in the morning then becoming partly cloudy. Highs in the lower 60s. West winds 10 to 15 mph. Gusts up to 25 mph in the morning.

    Night

    50°F

    Mostly cloudy. Lows in the upper 40s.

    Hourly details
  • Day

    57°F

    Partly cloudy. Highs in the upper 50s.

    Night

    41°F

    Partly cloudy in the evening then clearing. Lows in the lower 40s.

    Hourly details
  • Day

    61°F

    Partly cloudy. Highs in the upper 50s.

    Night

    42°F

    Mostly cloudy in the evening then becoming partly cloudy. Lows in the lower 40s.

    Hourly details
  • Day

    59°F

    Mostly cloudy. Highs in the upper 50s.

    Night

    41°F

    Partly cloudy. Lows in the upper 30s.

    Hourly details
  • Weekend Weather

  • Day

    58°F

    Mostly sunny in the morning then becoming partly cloudy. Highs around 60.

    Night

    43°F

    Clear. Low temperature around 43F. Dew point will be around 34F with an average humidity of 62%. Winds will be 2 mph from the NE.

  • Day

    62°F

    Sunny. High temperature around 62F. Dew point will be around 41F with an average humidity of 59%. Winds will be 3 mph from the NW.

    Night

    47°F

    Clear with a slight chance of rain. Chance of precipitation 25%. Low temperature around 47F. Dew point will be around 42F with an average humidity of 71%. Winds will be 2 mph from the W.

  • Day

    62°F

    Mostly sunny with a slight chance of rain. Chance of precipitation 30%. High temperature around 62F. Dew point will be around 46F with an average humidity of 65%. Winds will be 2 mph from the W.

    Night

    47°F

    Partly cloudy with a slight chance of rain. Chance of precipitation 30%. Low temperature around 47F. Dew point will be around 45F with an average humidity of 77%. Winds will be 1 mph from the N.

  • Day

    62°F

    Partly cloudy with a chance of rain. Chance of precipitation 35%. High temperature around 62F. Dew point will be around 47F with an average humidity of 68%. Winds will be 1 mph from the SW.

    Night

    49°F

    Mostly cloudy with a chance of rain. Chance of precipitation 45%. Low temperature around 49F. Dew point will be around 47F with an average humidity of 78%. Winds will be 1 mph from the NE.