Arlington Heights Weather Forecast

    • 56
    • 78

    Increasing Clouds

    • 57
    • 79

    Partly Sunny

    • 66
    • 82

    Partly Sunny

    • 69
    • 88

    Slight Chance Thunderstorms

    • 70
    • 91

    Rain Showers Likely

    • 64
    • 86

    Slight Chance Thunderstorms

Today 23 Jul Allen

Sunny. Highs in the upper 70s. Northeast Winds around 5 Mph.

Tonight 23 Jul Allen

Mostly clear in the Evening, then becoming partly cloudy. Lows in the mid 50s. East Winds around 5 Mph in the Evening, becoming light and variable.

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Arlington Heights Temperature Statistics

July Temperature

Auburn De Kalb County Airport (11.8 miles)

  • Lowest 20 July, 2026

    57.2 °F

  • Average July

    77.4 °F

  • Highest 1 July, 2026

    95 °F

Climate (2021–2026)

Auburn De Kalb County Airport (11.8 miles)

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  • Average Low 2021–2026

    42.3 °F

  • Average 2021–2026

    51.4 °F

  • Average High 2021–2026

    60.8 °F
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