Watts Bar Lake Weather Forecast

    • 65
    • 87

    Becoming Sunny

    • 69
    • 91

    Mostly Sunny

    • 71
    • 93

    Mostly Sunny

    • 72
    • 95

    Mostly Sunny

    • 72
    • 96

    Mostly Sunny

    • 72
    • 95

    Slight Chance Thunderstorms

Today 20 Jun Roane

Patchy fog this morning. Mostly sunny. Highs in the upper 80s. Light Winds.

Tonight 20 Jun Roane

Mostly clear. Lows in the mid 60s. Light Winds.

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Watts Bar Lake Temperature Statistics

June Temperature

Athens McMinn County Airport (25.5 miles)

  • Lowest 1 June, 2025

    55.4 °F

  • Average June

    73.6 °F

  • Highest 4 June, 2025

    87.8 °F

Climate (2020–Present)

Athens McMinn County Airport (25.5 miles)

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  • Average Low 2020–2025

    49.2 °F

  • Average 2020–2025

    59.8 °F

  • Average High 2020–2025

    71.5 °F
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