Prospect Heights Weather Forecast

    • 63
    • 81

    Becoming Sunny

    • 70
    • 83

    Decreasing Clouds

    • 75
    • 92

    Chance Thunderstorms

    • 72
    • 92

    Chance Thunderstorms

    • 67
    • 87

    Mostly Sunny

    • 68
    • 87

    Mostly Sunny

    • 69
    • 88

    Chance Rain Showers

Today 24 Jul Northern Cook

Mostly cloudy. Temperatures in the upper 70s. South Winds 5 to 10 Mph.

Tonight 24 Jul Northern Cook

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

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  • Temperature Real-Time

Prospect Heights Temperature Statistics

July Temperature

Chicago / Wheeling, Pal-Waukee Airport (2.5 miles)

  • Lowest 22 July, 2026

    60.1 °F

  • Average July

    77.2 °F

  • Highest 14 July, 2026

    97.6 °F

Climate (2021–2026)

Chicago / Wheeling, Pal-Waukee Airport (2.5 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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