Prospect Heights Weather Forecast

    • 52
    • 61

    Rain Showers

    • 53
    • 66

    Chance Rain Showers

    • 58
    • 67

    Rain Showers Likely

    • 54
    • 71

    Rain Showers

    • 48
    • 65

    Chance Rain Showers

    • 48
    • 65

    Slight Chance Rain Showers

Today 31 Oct Northern Cook

Cloudy. Scattered Showers, mainly in the morning. Highs in the lower 60s. Southeast Winds 5 to 10 Mph. Chance of precipitation 50 percent.

Tonight 31 Oct Northern Cook

Cloudy. A slight chance of Showers in the evening. Lows in the lower 50s. Southeast Winds around 5 Mph. Chance of precipitation 20 percent.

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  • Temperature Real-Time

Prospect Heights Temperature Statistics

October Temperature

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

  • Lowest 17 October, 2026

    37.7 °F

  • Average October

    60.3 °F

  • Highest 12 October, 2026

    88.6 °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

    61.6 °F
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