Nickajack Lake Weather Forecast

    • 22
    • 42

    Mostly Sunny

    • 24
    • 37

    Mostly Sunny

    • 28
    • 47

    Mostly Sunny

    • 32
    • 51

    Partly Sunny

    • 39
    • 52

    Rain Showers Likely

    • 35
    • 54

    Chance Rain Showers

Today 29 Dec Marion

Sunny. Much cooler with Highs in the lower to mid 40s. Northwest Winds 10 to 20 Mph with Gusts up to 35 Mph.

Tonight 29 Dec Marion

Rain Showers, then a chance of rain Showers late. Much cooler with Lows in the lower 30s. West Winds 10 to 20 Mph with Gusts up to 35 Mph. Chance of rain near 100 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Nickajack Lake Temperature Statistics

December Temperature

Chattanooga, Lovell Field (15.5 miles)

  • Lowest 15 December, 2025

    16 °F

  • Average December

    44.5 °F

  • Highest 24 December, 2025

    73 °F

Climate (2020–Present)

Chattanooga, Lovell Field (15.5 miles)

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  • Average Low 2020–2025

    53.4 °F

  • Average 2020–2025

    63.1 °F

  • Average High 2020–2025

    73.9 °F
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