Cumberland Mountain Lake Weather Forecast

    • 61
    • 78

    Thunderstorms Likely

    • 63
    • 86

    Rain Showers Likely

    • 50
    • 74

    Rain Showers Likely

    • 46
    • 72

    Mostly Sunny

    • 48
    • 74

    Partly Sunny

    • 50
    • 77

    Partly Sunny

Today 4 Sep Cumberland

Partly sunny. A chance of Showers and Thunderstorms this Morning, then Showers and Thunderstorms likely this afternoon. Highs in the upper 70s. Southwest Winds 5 to 10 Mph. Chance of rain 70 percent.

Tonight 4 Sep Cumberland

Partly cloudy. A chance of Showers and Thunderstorms in the evening. Lows in the lower 60s. South Winds around 5 Mph. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Cumberland Mountain Lake Temperature Statistics

September Temperature

Crossville, Crossville Memorial-Whitson Field Airport (2.5 miles)

  • Lowest 1 September, 2025

    57 °F

  • Average September

    64.6 °F

  • Highest 2 September, 2025

    75 °F

Climate (2020–Present)

Crossville, Crossville Memorial-Whitson Field Airport (2.5 miles)

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  • Average Low 2020–2025

    47.2 °F

  • Average 2020–2025

    56.5 °F

  • Average High 2020–2025

    66.4 °F
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