Bentley Lake Weather Forecast

    • 45
    • 64

    Decreasing Clouds

    • 44
    • 70

    Mostly Sunny

    • 50
    • 70

    Mostly Sunny

    • 53
    • 72

    Mostly Cloudy

    • 54
    • 76

    Partly Sunny

    • 56
    • 77

    Partly Sunny

Today 20 Sep McHenry

Mostly cloudy. Highs in the mid 60s. East Winds 5 to 10 Mph.

Tonight 20 Sep McHenry

Decreasing Clouds. Lows in the mid 40s. East Winds around 5 Mph.

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  • Temperature Real-Time

Bentley Lake Temperature Statistics

September Temperature

Harvey Municipal Airport (24.9 miles)

  • Lowest 13 September, 2026

    35.6 °F

  • Average September

    62.2 °F

  • Highest 4 September, 2026

    84.2 °F

Climate (2021–2026)

Harvey Municipal Airport (24.9 miles)

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  • Average Low 2021–2026

    30.4 °F

  • Average 2021–2026

    41.2 °F

  • Average High 2021–2026

    51.8 °F
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