Sinclair Lake Weather Forecast

    • 69
    • 86

    Chance Thunderstorms

    • 68
    • 87

    Chance Thunderstorms

    • 69
    • 87

    Chance Thunderstorms

    • 69
    • 86

    Chance Thunderstorms

    • 69
    • 85

    Rain Showers Likely

    • 69
    • 87

    Thunderstorms Likely

Today 22 Jul Rhea

Mostly sunny. A slight chance of Showers and Thunderstorms in the Morning, then a chance of Showers and Thunderstorms in the afternoon. Humid with Highs in the upper 80s to lower 90s. Light Winds. Chance of rain 40 percent.

Tonight 22 Jul Rhea

Mostly cloudy. Patchy fog. Near steady temperature in the lower 70s. Light Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Sinclair Lake Temperature Statistics

July Temperature

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

  • Lowest 3 July, 2025

    61.6 °F

  • Average July

    75.9 °F

  • Highest 4 July, 2025

    88.6 °F

Climate (2020–Present)

Crossville, Crossville Memorial-Whitson Field Airport (24.2 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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