Lake Arlington Weather Forecast

    • 62
    • 84

    Mostly Sunny

    • 66
    • 87

    Partly Sunny

    • 59
    • 81

    Partly Sunny

    • 57
    • 77

    Partly Sunny

    • 58
    • 78

    Mostly Cloudy

    • 58
    • 76

    Partly Sunny

Today 25 May Northern Cook

Partly cloudy in the morning then clearing. Highs in the lower 80s Inland, but only in the mid 70s near the lake. Southwest Winds 5 to 10 Mph.

Tonight 25 May Northern Cook

Clear. Lows in the lower 60s. South Winds 5 to 10 Mph.

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Lake Arlington Temperature Statistics

May Temperature

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

  • Lowest 2 May, 2026

    30.7 °F

  • Average May

    56.1 °F

  • Highest 17 May, 2026

    85.6 °F

Climate (2021–Present)

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

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  • Average Low 2021–2026

    44 °F

  • Average 2021–2026

    52.9 °F

  • Average High 2021–2026

    61.6 °F
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