Prospect Heights Weather Forecast

    • 66
    • 70

    Rain Showers

    • 61
    • 72

    Mostly Cloudy

    • 61
    • 75

    Mostly Sunny

    • 64
    • 81

    Partly Sunny

    • 65
    • 81

    Chance Rain Showers

    • 65
    • 80

    Chance Thunderstorms

Today 1 Aug Northern Cook

A slight chance of Thunderstorms early in the morning. Showers. A chance of Thunderstorms in the late morning and afternoon. Breezy, humid. Near steady temperature around 70. Northeast Winds 15 to 20 Mph with Gusts up to 30 Mph. Chance of precipitation 90 percent.

Tonight 1 Aug Northern Cook

Cloudy. A slight chance of Thunderstorms early in the evening. A chance of Showers in the Evening, then a slight chance of Showers after midnight. Breezy. Near steady temperature in the upper 60s. Northeast Winds 15 to 20 Mph, becoming north 10 to 15 Mph after midnight. Gusts up to 30 Mph. Chance of precipitation 50 percent.

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Prospect Heights Temperature Statistics

August Temperature

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

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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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