Watts Bar Lake Weather Forecast

    • 40
    • 58

    Becoming Sunny

    • 41
    • 64

    Sunny

    • 43
    • 68

    Mostly Sunny

    • 46
    • 72

    Mostly Sunny

    • 47
    • 74

    Sunny

    • 49
    • 76

    Mostly Sunny

Today 17 Oct Roane

Mostly sunny. Much cooler with Highs in the upper 50s. North Winds 5 to 15 Mph with Gusts up to 25 Mph.

Tonight 17 Oct Roane

Mostly clear. Lows in the upper 30s. Light Winds. Gusts up to 20 Mph in the evening.

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Watts Bar Lake Temperature Statistics

October Temperature

Athens McMinn County Airport (25.5 miles)

  • Lowest 7 October, 2026

    51.8 °F

  • Average October

    68.2 °F

  • Highest 1 October, 2026

    87.8 °F

Climate (2021–2026)

Athens McMinn County Airport (25.5 miles)

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  • Average Low 2021–2026

    49.5 °F

  • Average 2021–2026

    60.3 °F

  • Average High 2021–2026

    72.2 °F
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