Mount Prospect Weather Forecast

    • 50
    • 63

    Rain Showers

    • 38
    • 52

    Rain Showers

    • 42
    • 56

    Sunny

    • 44
    • 60

    Mostly Sunny

    • 45
    • 67

    Partly Sunny

    • 48
    • 68

    Mostly Sunny

Today 15 Oct Northern Cook

Showers. Highs in the lower 60s. Southeast Winds 5 to 10 Mph. Chance of precipitation 80 percent.

Tonight 15 Oct Northern Cook

Cloudy. Showers early in the Evening, then isolated Showers late in the evening. Breezy with Lows around 50. Southwest Winds 10 to 15 Mph, increasing to northwest 15 to 20 Mph after midnight. Gusts up to 30 Mph. Chance of precipitation 80 percent.

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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

    64.1 °F

  • Highest 12 October, 2026

    87.1 °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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