Wonder Lake Weather Forecast

    • 68
    • 87

    Becoming Sunny

    • 70
    • 91

    Mostly Sunny

    • 69
    • 90

    Mostly Sunny

    • 68
    • 90

    Mostly Sunny

    • 68
    • 90

    Mostly Sunny

    • 68
    • 88

    Partly Sunny

Today 14 Sep White

Patchy fog this morning. Sunny. Highs around 90. Northeast Winds around 5 Mph.

Tonight 14 Sep White

Mostly clear. Lows in the upper 60s. East Winds around 5 Mph.

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  • Temperature Real-Time

Wonder Lake Temperature Statistics

September Temperature

Crossville, Crossville Memorial-Whitson Field Airport (13 miles)

  • Lowest 8 September, 2026

    65.6 °F

  • Average September

    79 °F

  • Highest 3 September, 2026

    95.6 °F

Climate (2021–2026)

Crossville, Crossville Memorial-Whitson Field Airport (13 miles)

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  • Average Low 2021–2026

    47.6 °F

  • Average 2021–2026

    57.3 °F

  • Average High 2021–2026

    67.2 °F
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