Alley Bluff Tennessee Valley Authority Wild Area Weather Forecast

    • 36
    • 46

    Mostly Sunny

    • 30
    • 57

    Partly Sunny

    • 20
    • 49

    Partly Sunny

    • 15
    • 31

    Mostly Sunny

    • 26
    • 43

    Partly Sunny

    • 36
    • 47

    Mostly Cloudy

Today 11 Dec Decatur

Patchy fog in the morning. Mostly sunny. Highs in the mid 40s. West Winds around 5 Mph, becoming southwest around 5 Mph in the afternoon.

Tonight 11 Dec Decatur

Mostly clear. Near steady temperature in the upper 20s. Northwest Winds around 5 Mph.

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Alley Bluff Tennessee Valley Authority Wild Area Temperature Statistics

December Temperature

Lexington-Parsons Beech River Regional Airport (8.7 miles)

  • Lowest 8 December, 2025

    24.8 °F

  • Average December

    35.2 °F

  • Highest 6 December, 2025

    46.4 °F

Climate (2020–Present)

Lexington-Parsons Beech River Regional Airport (8.7 miles)

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  • Average Low 2020–2025

    49.5 °F

  • Average 2020–2025

    60.3 °F

  • Average High 2020–2025

    71.5 °F
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