Mount Prospect Weather Forecast

    • 56
    • 76

    Mostly Cloudy

    • 55
    • 74

    Mostly Cloudy

    • 55
    • 75

    Sunny

    • 62
    • 83

    Mostly Sunny

    • 68
    • 88

    Mostly Cloudy

    • 67
    • 87

    Chance Thunderstorms

Today 31 May Northern Cook

Mostly cloudy. Highs in the mid 70s Inland, but only in the mid 60s near the lake. East Winds 5 to 10 Mph.

Tonight 31 May Northern Cook

Mostly cloudy. Lows in the mid 50s. Northeast Winds 5 to 10 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Mount Prospect Temperature Statistics

May Temperature

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

  • Lowest 2 May, 2026

    30.7 °F

  • Average May

    58.3 °F

  • Highest 17 May, 2026

    85.6 °F

Climate (2021–Present)

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

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    44 °F

  • Average 2021–2026

    52.9 °F

  • Average High 2021–2026

    61.6 °F
Get WillyWeather+ to remove ads