Prospect Heights Weather Forecast

    • 58
    • 81

    Partly Sunny

    • 61
    • 77

    Mostly Sunny

    • 68
    • 84

    Slight Chance Thunderstorms

    • 58
    • 78

    Slight Chance Thunderstorms

    • 55
    • 68

    Chance Rain Showers

    • 50
    • 68

    Chance Rain Showers

    • 43
    • 63

    Slight Chance Rain Showers

Today 10 Oct Northern Cook

Partly cloudy. Highs in the mid 50s.

Tonight 10 Oct Northern Cook

Partly cloudy. Lows in the upper 50s. South Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Prospect Heights Temperature Statistics

October Temperature

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

  • Lowest 3 October, 2026

    45.6 °F

  • Average October

    61 °F

  • Highest 7 October, 2026

    78.1 °F

Climate (2021–2026)

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

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  • Average Low 2021–2026

    43.9 °F

  • Average 2021–2026

    52.8 °F

  • Average High 2021–2026

    61.5 °F
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