Mount Prospect Weather Forecast

    • 51
    • 67

    Chance Rain Showers

    • 59
    • 73

    Chance Rain Showers

    • 60
    • 84

    Rain Showers Likely

    • 67
    • 86

    Chance Rain Showers

    • 69
    • 89

    Chance Thunderstorms

    • 56
    • 85

    Chance Rain Showers

    • 50
    • 71

    Slight Chance Rain Showers

Today 14 May Northern Cook

Sunny. Highs in the upper 60s Inland, but only in the upper 50s near the lake. Southeast Winds 5 to 10 Mph.

Tonight 14 May Northern Cook

Partly cloudy early in the Evening, then becoming mostly cloudy. A chance of Showers late. Lows around 50. South Winds 5 to 10 Mph. Chance of precipitation 30 percent.

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  • 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

    52.1 °F

  • Highest 4 May, 2026

    81.6 °F

Climate (2021–Present)

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

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  • Average Low 2021–2026

    44.1 °F

  • Average 2021–2026

    52.9 °F

  • Average High 2021–2026

    61.6 °F
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