Mount Prospect Weather Forecast

    • 70
    • 85

    Becoming Sunny

    • 62
    • 84

    Rain Showers

    • 55
    • 69

    Rain Showers Likely

    • 48
    • 67

    Rain Showers Likely

    • 38
    • 58

    Partly Sunny

    • 40
    • 56

    Mostly Sunny

Today 12 Oct Northern Cook

Partly cloudy. Highs in the mid 80s. Southwest Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 12 Oct Northern Cook

Mostly clear. Lows around 70. Southwest Winds 10 to 15 Mph with Gusts up to 25 Mph.

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Mount Prospect Temperature Statistics

October Temperature

Chicago / Wheeling, Pal-Waukee Airport (3.7 miles)

  • Lowest 3 October, 2026

    45.6 °F

  • Average October

    61.9 °F

  • Highest 10 October, 2026

    79 °F

Climate (2021–2026)

Chicago / Wheeling, Pal-Waukee Airport (3.7 miles)

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  • Average Low 2021–2026

    43.9 °F

  • Average 2021–2026

    52.8 °F

  • Average High 2021–2026

    61.5 °F
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