Sinclair Lake Weather Forecast

    • 67
    • 82

    Chance Thunderstorms

    • 68
    • 84

    Thunderstorms Likely

    • 68
    • 86

    Chance Thunderstorms

    • 69
    • 85

    Chance Thunderstorms

    • 69
    • 84

    Chance Thunderstorms

    • 69
    • 84

    Rain Showers Likely

    • 68
    • 83

    Rain Showers Likely

Today 7 Aug Rhea

Mostly sunny with a chance of Showers and Thunderstorms. Highs in the mid to upper 80s. Light Winds. Chance of rain 40 percent.

Tonight 7 Aug Rhea

Partly cloudy. Lows in the upper 60s. Light Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Sinclair Lake Temperature Statistics

August Temperature

Crossville, Crossville Memorial-Whitson Field Airport (24.2 miles)

  • Lowest 5 August, 2026

    66 °F

  • Average August

    74.3 °F

  • Highest 4 August, 2026

    85.6 °F

Climate (2021–2026)

Crossville, Crossville Memorial-Whitson Field Airport (24.2 miles)

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  • Average Low 2021–2026

    47.6 °F

  • Average 2021–2026

    57.1 °F

  • Average High 2021–2026

    67.1 °F
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