Arlington Park Weather Forecast

    • 72
    • 93

    Chance Thunderstorms

    • 71
    • 82

    Chance Thunderstorms

    • 73
    • 91

    Chance Thunderstorms

    • 66
    • 87

    Chance Thunderstorms

    • 64
    • 76

    Partly Sunny

    • 63
    • 80

    Mostly Sunny

Today 16 Aug Northern Cook

Mostly sunny through mid Morning, then becoming partly cloudy. A slight chance of Showers and Thunderstorms in the Morning, then a chance of Showers and Thunderstorms in the afternoon. Highs in the lower 90s Inland, but only in the upper 80s near the lake. Southwest Winds 5 to 10 Mph. Chance of precipitation 40 percent. Heat index Values up to 103.

Tonight 16 Aug Northern Cook

Mostly cloudy. Showers and Thunderstorms likely late in the Afternoon, then a chance of Showers and Thunderstorms until early morning. A slight chance of Showers and Thunderstorms late. Lows in the lower 70s. Southwest Winds 5 to 10 Mph, becoming northwest after midnight. Chance of precipitation 60 percent.

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Arlington Park Temperature Statistics

August Temperature

Chicago / Wheeling, Pal-Waukee Airport (5.6 miles)

  • Lowest 2 August, 2025

    58.6 °F

  • Average August

    77.4 °F

  • Highest 9 August, 2025

    96.7 °F

Climate (2020–Present)

Chicago / Wheeling, Pal-Waukee Airport (5.6 miles)

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  • Average Low 2020–2025

    44.2 °F

  • Average 2020–2025

    52.9 °F

  • Average High 2020–2025

    61.5 °F
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