Des Plaines Weather Forecast

    • 49
    • 72

    Rain Showers Likely

    • 56
    • 68

    Partly Sunny

    • 49
    • 67

    Partly Sunny

    • 49
    • 67

    Mostly Sunny

    • 50
    • 68

    Mostly Sunny

    • 54
    • 71

    Partly Sunny

    • 58
    • 76

    Partly Sunny

Today 3 Sep Northern Cook

Cloudy. A chance of Showers late in the morning. A chance of Thunderstorms. Showers in the afternoon. Highs in the lower 70s. Temperature falling into the mid 60s in the afternoon. West Winds 10 to 20 Mph. Chance of precipitation 80 percent.

Tonight 3 Sep Northern Cook

Mostly cloudy through the early Overnight, then becoming partly cloudy. A chance of Showers and Thunderstorms early in the evening. Lows in the upper 40s. Northwest Winds 10 to 15 Mph, Diminishing to 5 to 10 Mph after midnight. Chance of precipitation 30 to 40 percent.

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Des Plaines Temperature Statistics

September Temperature

Chicago, Chicago-O'Hare International Airport (3.7 miles)

  • Lowest 1 September, 2025

    57.9 °F

  • Average September

    67.9 °F

  • Highest 1 September, 2025

    75.9 °F

Climate (2020–Present)

Chicago, Chicago-O'Hare International Airport (3.7 miles)

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  • Average Low 2020–2025

    45.4 °F

  • Average 2020–2025

    53.4 °F

  • Average High 2020–2025

    61.7 °F
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