Mount Prospect Weather Forecast

    • 68
    • 87

    Mostly Cloudy

    • 67
    • 82

    Rain Showers

    • 64
    • 73

    Rain Showers

    • 61
    • 73

    Partly Sunny

    • 63
    • 79

    Mostly Sunny

    • 67
    • 83

    Partly Sunny

    • 66
    • 84

    Slight Chance Thunderstorms

Today 30 Jul Northern Cook

Partly cloudy. Temperatures in the mid 80s. Southwest Winds 5 to 10 Mph.

Tonight 30 Jul Northern Cook

Mostly cloudy in the Evening, then becoming partly cloudy. Lows in the upper 60s. South Winds around 5 Mph.

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Mount Prospect Temperature Statistics

July Temperature

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

  • Lowest 23 July, 2026

    54.6 °F

  • Average July

    76.4 °F

  • Highest 14 July, 2026

    97.6 °F

Climate (2021–2026)

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

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  • Average Low 2021–2026

    44 °F

  • Average 2021–2026

    52.9 °F

  • Average High 2021–2026

    61.6 °F
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