Mount Prospect Weather Forecast

    • 55
    • 68

    Partly Sunny

    • 60
    • 73

    Rain Showers Likely

    • 51
    • 74

    Rain Showers

    • 44
    • 59

    Chance Rain Showers

    • 48
    • 64

    Slight Chance Rain Showers

    • 45
    • 64

    Chance Rain Showers

Today 16 Oct Northern Cook

Mostly cloudy in the Morning, then becoming partly cloudy. Highs in the mid to upper 60s. Southeast Winds 5 to 10 Mph.

Tonight 16 Oct Northern Cook

Partly cloudy in the Evening, then becoming mostly cloudy. A slight chance of Showers after midnight. Lows in the mid 50s. Southeast Winds 5 to 10 Mph. Chance of precipitation 20 percent.

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Mount Prospect Temperature Statistics

October Temperature

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

  • Lowest 9 October, 2025

    43 °F

  • Average October

    64 °F

  • Highest 3 October, 2025

    89.1 °F

Climate (2020–Present)

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

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  • Average Low 2020–2025

    44.2 °F

  • Average 2020–2025

    53 °F

  • Average High 2020–2025

    61.6 °F
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