Bentley Lake Weather Forecast

    • 36
    • 63

    Partly Sunny

    • 40
    • 61

    Mostly Sunny

    • 42
    • 66

    Mostly Sunny

    • 41
    • 61

    Mostly Sunny

    • 52
    • 71

    Partly Sunny

    • 48
    • 72

    Chance Rain Showers

Today 18 Oct McHenry

Partly cloudy. Highs in the lower 60s. Northwest Winds 5 to 15 Mph with Gusts up to 25 Mph.

Tonight 18 Oct McHenry

Partly cloudy in the evening then clearing. Lows in the mid 30s. Northwest Winds around 5 Mph in the Evening, becoming light and variable.

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Bentley Lake Temperature Statistics

October Temperature

Harvey Municipal Airport (24.9 miles)

  • Lowest 2 October, 2026

    33.8 °F

  • Average October

    49.8 °F

  • Highest 9 October, 2026

    75.2 °F

Climate (2021–2026)

Harvey Municipal Airport (24.9 miles)

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  • Average Low 2021–2026

    30.3 °F

  • Average 2021–2026

    41.1 °F

  • Average High 2021–2026

    51.7 °F
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