Lake Arlington Weather Forecast

    • 36
    • 50

    Becoming Sunny

    • 32
    • 50

    Partly Sunny

    • 44
    • 54

    Partly Sunny

    • 48
    • 72

    Partly Sunny

    • 52
    • 68

    Partly Sunny

    • 59
    • 77

    Mostly Cloudy

Today 18 Apr Northern Cook

Mostly cloudy in the Morning, then becoming partly cloudy. Breezy. Highs around 50. West Winds 15 to 20 Mph with Gusts up to 30 Mph.

Tonight 18 Apr Northern Cook

Mostly clear. Areas of frost after midnight. Lows in the mid 30s. West Winds 10 to 15 Mph with Gusts up to 25 Mph, becoming southwest 5 to 10 Mph after midnight.

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Lake Arlington Temperature Statistics

April Temperature

Chicago / Wheeling, Pal-Waukee Airport (2.5 miles)

  • Lowest 7 April, 2026

    28.7 °F

  • Average April

    52.3 °F

  • Highest 12 April, 2026

    81.6 °F

Climate (2021–Present)

Chicago / Wheeling, Pal-Waukee Airport (2.5 miles)

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  • Average Low 2021–2026

    44.1 °F

  • Average 2021–2026

    52.9 °F

  • Average High 2021–2026

    61.6 °F
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