Mount Prospect Weather Forecast

    • 68
    • 86

    Sunny

    • 74
    • 92

    Sunny

    • 76
    • 94

    Mostly Sunny

    • 73
    • 94

    Mostly Sunny

    • 73
    • 93

    Partly Sunny

    • 72
    • 91

    Slight Chance Thunderstorms

    • 69
    • 89

    Slight Chance Thunderstorms

Today 12 Jul Northern Cook

Sunny. Temperatures in the mid 80s. Northeast Winds 5 to 10 Mph.

Tonight 12 Jul Northern Cook

Clear. Lows in the upper 60s. Northeast Winds around 5 Mph in the Evening, becoming light and variable.

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Mount Prospect Temperature Statistics

July Temperature

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

  • Lowest 7 July, 2026

    62.7 °F

  • Average July

    77.2 °F

  • Highest 1 July, 2026

    95.6 °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

    52.8 °F

  • Average High 2021–2026

    61.6 °F
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