Lake Arlington Weather Forecast

    • 56
    • 72

    Mostly Sunny

    • 51
    • 75

    Partly Sunny

    • 47
    • 68

    Partly Sunny

    • 48
    • 67

    Partly Sunny

    • 57
    • 71

    Mostly Sunny

    • 55
    • 75

    Partly Sunny

Today 6 Oct Northern Cook

Sunny. Highs in the lower 70s. Southwest Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 6 Oct Northern Cook

Partly cloudy. Lows in the mid 50s. Southwest Winds 5 to 10 Mph.

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Lake Arlington Temperature Statistics

October Temperature

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

  • Lowest 3 October, 2026

    45 °F

  • Average October

    60.4 °F

  • Highest 1 October, 2026

    70.6 °F

Climate (2021–2026)

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

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  • Average Low 2021–2026

    43.9 °F

  • Average 2021–2026

    52.8 °F

  • Average High 2021–2026

    61.5 °F
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