Bentley Lake Weather Forecast

    • 66
    • 88

    Slight Chance Thunderstorms

    • 65
    • 85

    Rain Showers

    • 60
    • 82

    Rain Showers

    • 52
    • 77

    Breezy

    • 50
    • 75

    Mostly Sunny

    • 55
    • 81

    Mostly Sunny

    • 50
    • 78

    Slight Chance Rain Showers

Today 5 Sep McHenry

Mostly clear. Southeast Winds around 10 Mph with Gusts up to 20 Mph.

Tonight 5 Sep McHenry

Partly cloudy with a slight chance of Showers and Thunderstorms. Lows in the mid 60s. East Winds 5 to 15 Mph. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Bentley Lake Temperature Statistics

September Temperature

Harvey Municipal Airport (24.9 miles)

  • Lowest 2 September, 2026

    50 °F

  • Average September

    65.9 °F

  • Highest 2 September, 2026

    82.4 °F

Climate (2021–2026)

Harvey Municipal Airport (24.9 miles)

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  • Average Low 2021–2026

    30.3 °F

  • Average 2021–2026

    41.2 °F

  • Average High 2021–2026

    51.8 °F
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