Arlington Heights Weather Forecast

    • 67
    • 70

    Rain Showers Likely

    • 62
    • 74

    Becoming Sunny

    • 61
    • 77

    Mostly Sunny

    • 65
    • 82

    Partly Sunny

    • 63
    • 80

    Chance Thunderstorms

    • 65
    • 79

    Chance Thunderstorms

    • 68
    • 83

    Slight Chance Thunderstorms

Today 1 Aug Northern Cook

Cloudy. A chance of Showers and a slight chance of Thunderstorms. Some Thunderstorms may produce heavy rainfall. Breezy. Temperatures around 70. Northeast Winds 15 to 20 Mph with Gusts up to 30 Mph. Chance of precipitation 50 percent.

Tonight 1 Aug Northern Cook

Cloudy. A slight chance of Showers early in the evening. Breezy. Near steady temperature in the upper 60s. Northeast Winds 15 to 20 Mph with Gusts up to 30 Mph, Diminishing to 10 to 15 Mph after midnight. Chance of precipitation 20 percent.

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Arlington Heights Temperature Statistics

August Temperature

Chicago / Wheeling, Pal-Waukee Airport (4.3 miles)

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Climate (2021–2026)

Chicago / Wheeling, Pal-Waukee Airport (4.3 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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