10-Day Weather Forecast - Grayslake, IL

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  • 63|36°F
    Mostly Cloudy
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    Today

    63°F

    Mostly cloudy. Highs around 60. Temperature falling into the 50s inland and 40s near the lake in the afternoon. West winds 10 to 15 mph becoming northeast in the afternoon.

    Tonight

    36°F

    Mostly cloudy. Lows in the upper 30s. Northeast winds 5 to 10 mph becoming east after midnight.

    Hourly details
  • Weekend Weather

  • Day

    67°F

    Mostly cloudy in the morning then clearing. Highs in the lower 60s inland but only in the upper 50s near the lake. South winds 5 to 10 mph.

    Night

    52°F

    Partly cloudy in the evening then becoming mostly cloudy. Lows in the mid 40s. Southwest winds around 10 mph.

    Hourly details
  • Day

    50°F

    Mostly cloudy. A chance of showers mainly in the morning. Highs in the mid 50s inland but only around 50 near the lake. Temperature falling into the lower 40s in the afternoon. North winds 10 to 15 mph increasing to 15 to 20 mph in the afternoon. Chance of precipitation 30 percent.

    Night

    31°F

    Mostly cloudy. Lows in the lower 30s.

    Hourly details
  • Day

    43°F

    Partly cloudy. Highs in the mid 40s inland but only around 40 near the lake.

    Night

    30°F

    Partly cloudy in the evening then becoming mostly cloudy. Lows in the lower 30s.

    Hourly details
  • Day

    53°F

    Mostly cloudy. Highs in the lower 50s.

    Night

    31°F

    Mostly cloudy. Lows in the mid 30s.

    Hourly details
  • Day

    41°F

    Mostly cloudy in the morning then becoming partly cloudy. Highs around 50.

    Night

    38°F

    Mostly cloudy in the evening then becoming partly cloudy. Near steady temperature in the lower 40s.

    Hourly details
  • Day

    66°F

    Partly cloudy in the morning then becoming mostly cloudy. Highs in the upper 50s.

    Night

    29°F

    Partly cloudy with a slight chance of rain-snow mix. Chance of precipitation 25%. Low temperature around 29F. Dew point will be around 31F with an average humidity of 59%. Winds will be 12 mph from the N.

  • Day

    40°F

    Mostly cloudy. High temperature around 40F. Dew point will be around 21F with an average humidity of 55%. Winds will be 9 mph from the N.

    Night

    26°F

    Partly cloudy. Low temperature around 26F. Dew point will be around 19F with an average humidity of 62%. Winds will be 1 mph from the NE.

  • Weekend Weather

  • Day

    45°F

    Partly cloudy. High temperature around 45F. Dew point will be around 22F with an average humidity of 51%. Winds will be 3 mph from the SW.

    Night

    31°F

    Partly cloudy. Low temperature around 31F. Dew point will be around 24F with an average humidity of 65%. Winds will be 2 mph from the SW.

  • Day

    45°F

    Mostly cloudy. High temperature around 45F. Dew point will be around 28F with an average humidity of 63%. Winds will be 3 mph from the E.

    Night

    33°F

    Cloudy with a slight chance of rain. Chance of precipitation 25%. Low temperature around 33F. Dew point will be around 29F with an average humidity of 74%. Winds will be 4 mph from the E.