Watts Bar Lake Weather Forecast

    • 63
    • 83

    Increasing Clouds

    • 68
    • 87

    Increasing Clouds

    • 72
    • 89

    Chance Thunderstorms

    • 71
    • 89

    Chance Thunderstorms

    • 72
    • 93

    Slight Chance Thunderstorms

    • 73
    • 95

    Mostly Sunny

    • 74
    • 97

    Hot

Today 24 Jun Roane

Sunny. Near steady temperature in the lower 80s. Light Winds.

Tonight 24 Jun Roane

Mostly clear this Evening, then becoming partly cloudy. Patchy fog late. Lows in the lower 60s. Light Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Watts Bar Lake Temperature Statistics

June Temperature

Athens McMinn County Airport (25.5 miles)

  • Lowest 3 June, 2026

    53.6 °F

  • Average June

    73.9 °F

  • Highest 11 June, 2026

    91.4 °F

Climate (2021–2026)

Athens McMinn County Airport (25.5 miles)

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  • Average Low 2021–2026

    49.4 °F

  • Average 2021–2026

    60.2 °F

  • Average High 2021–2026

    72 °F
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