Lake Arlington Weather Forecast

    • 62
    • 81

    Becoming Sunny

    • 66
    • 84

    Mostly Sunny

    • 69
    • 88

    Partly Sunny

    • 68
    • 85

    Chance Rain Showers

    • 66
    • 80

    Chance Thunderstorms

    • 64
    • 82

    Mostly Sunny

Today 28 Jul Northern Cook

Mostly cloudy in the Morning, then clearing. Highs in the lower 80s Inland, but only in the upper 70s near the lake. North Winds 10 to 15 Mph.

Tonight 28 Jul Northern Cook

Mostly clear. Lows in the lower 60s. Northeast Winds 10 to 15 Mph, becoming north around 5 Mph after midnight.

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Lake Arlington Temperature Statistics

July Temperature

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

  • Lowest 23 July, 2026

    54.6 °F

  • Average July

    76.3 °F

  • Highest 14 July, 2026

    97.6 °F

Climate (2021–2026)

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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