Lake Arlington Weather Forecast

    • 51
    • 70

    Partly Sunny

    • 52
    • 73

    Mostly Cloudy

    • 49
    • 65

    Mostly Cloudy

    • 50
    • 64

    Mostly Cloudy

    • 52
    • 70

    Partly Sunny

    • 45
    • 67

    Partly Sunny

Today 24 Oct Northern Cook

Partly cloudy in the Morning, then becoming mostly cloudy. Highs in the upper 60s. South Winds 5 to 10 Mph.

Tonight 24 Oct Northern Cook

Mostly cloudy in the Evening, then becoming partly cloudy. Lows in the lower 50s. South Winds around 5 Mph.

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Lake Arlington Temperature Statistics

October Temperature

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

  • Lowest 17 October, 2026

    37.7 °F

  • Average October

    60.3 °F

  • Highest 12 October, 2026

    88.6 °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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