Mount Prospect Weather Forecast

    • 58
    • 86

    Rain Showers

    • 59
    • 74

    Partly Sunny

    • 62
    • 80

    Partly Sunny

    • 63
    • 82

    Partly Sunny

    • 69
    • 84

    Partly Sunny

    • 73
    • 92

    Chance Rain Showers

    • 70
    • 90

    Slight Chance Thunderstorms

Today 21 Jul Northern Cook

Mostly cloudy. Temperatures in the lower 80s. Northwest Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 21 Jul Northern Cook

Mostly cloudy in the evening then clearing. Scattered Showers early in the Evening, then isolated Showers late in the evening. Breezy, cooler. Lows in the upper 50s. North Winds 10 to 15 Mph with Gusts up to 30 Mph, Diminishing to 5 to 10 Mph after midnight. Chance of precipitation 40 percent.

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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

    78.1 °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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