Grayslake Weather Forecast

    • 41
    • 60

    Rain Showers

    • 40
    • 53

    Mostly Cloudy

    • 44
    • 55

    Chance Rain Showers

    • 44
    • 58

    Chance Rain Showers

    • 48
    • 69

    Partly Sunny

    • 46
    • 68

    Slight Chance Rain Showers

Today 2 May Lake

Mostly cloudy. Scattered Showers through mid morning. A slight chance of Showers in the afternoon. Highs around 60 Inland, but only in the mid 50s near the lake. North Winds 5 to 10 Mph, becoming east in the afternoon. Chance of precipitation 30 percent.

Tonight 2 May Lake

Mostly cloudy. A slight chance of Showers. Lows in the lower 40s. Northeast Winds around 10 Mph. Chance of precipitation 20 percent.

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Grayslake Temperature Statistics

May Temperature

Chicago/Waukegan Regional Airport (10.6 miles)

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  • Average May

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Climate (2020–Present)

Chicago/Waukegan Regional Airport (10.6 miles)

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  • Average Low 2020–2025

    42.2 °F

  • Average 2020–2025

    51 °F

  • Average High 2020–2025

    59.4 °F
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