Mount Prospect Weather Forecast

    • 56
    • 72

    Partly Sunny

    • 52
    • 75

    Partly Sunny

    • 48
    • 67

    Partly Sunny

    • 49
    • 68

    Partly Sunny

    • 57
    • 71

    Mostly Sunny

    • 56
    • 75

    Partly Sunny

Today 6 Oct Northern Cook

Mostly sunny. Breezy. Highs in the lower 70s. South Winds 10 to 15 Mph with Gusts up to 30 Mph.

Tonight 6 Oct Northern Cook

Partly cloudy. Lows in the mid 50s. Southwest Winds 5 to 10 Mph.

Graph Plots Open in Graphs
  • Temperature Forecast NOAA

  • Temperature Real-Time

Mount Prospect Temperature Statistics

October Temperature

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

  • Lowest 3 October, 2026

    45 °F
  • Average October

    60.4 °F
  • Highest 1 October, 2026

    70.6 °F

Climate (2021–2026)

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

Take a look at our website widgetsAvailable free! Find Out More
  • Average Low 2021–2026

    43.9 °F
  • Average 2021–2026

    52.8 °F
  • Average High 2021–2026

    61.5 °F
Get WillyWeather+ to remove ads