Arlington Heights Weather Forecast

    • 64
    • 81

    Mostly Cloudy

    • 65
    • 81

    Slight Chance Thunderstorms

    • 68
    • 84

    Rain Showers Likely

    • 68
    • 80

    Rain Showers Likely

    • 61
    • 76

    Mostly Sunny

    • 58
    • 75

    Slight Chance Thunderstorms

    • 61
    • 75

    Slight Chance Thunderstorms

Today 19 Sep Cook

Partly cloudy. Highs in the lower 80s inland. But only in the upper 70s near the lake. South Winds 5 to 10 Mph becoming east in the afternoon.

Tonight 19 Sep Cook

Partly cloudy. Lows in the mid 60s. South Winds 5 to 10 Mph.

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Arlington Heights Temperature Statistics

September Temperature

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

  • Lowest 5 September, 2019

    55.9 °F
  • Average September

    70 °F
  • Highest 10 September, 2019

    91.9 °F

Climate (2010–Present)

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

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  • Average Low 2010–Present

    43.7 °F
  • Average 2010–Present

    52 °F
  • Average High 2010–Present

    59.9 °F
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