Mount Prospect Weather Forecast

    • 59
    • 70

    Chance Rain Showers

    • 59
    • 79

    Mostly Cloudy

    • 57
    • 72

    Partly Sunny

    • 61
    • 79

    Chance Thunderstorms

    • 54
    • 71

    Mostly Cloudy

    • 54
    • 67

    Rain Showers Likely

Today 9 Oct Northern Cook

Mostly cloudy. A slight chance of Showers late in the morning. A slight chance of Thunderstorms in the late morning and afternoon. A chance of Showers in the afternoon. Highs around 70. South Winds 5 to 10 Mph. Chance of precipitation 50 percent.

Tonight 9 Oct Northern Cook

Mostly clear. Lows in the upper 50s. Southeast Winds around 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 5 October, 2026

    45 °F

  • Average October

    60.9 °F

  • Highest 7 October, 2026

    78.1 °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