Nickajack Lake Weather Forecast

    • 67
    • 87

    Rain Showers Likely

    • 63
    • 82

    Rain Showers

    • 59
    • 78

    Partly Sunny

    • 54
    • 79

    Mostly Sunny

    • 53
    • 79

    Partly Sunny

    • 54
    • 79

    Partly Sunny

    • 56
    • 81

    Partly Sunny

Today 22 Sep Marion

Mostly sunny with a chance of Showers and Thunderstorms. Highs in the mid to upper 80s. Light Winds. Chance of rain 50 percent.

Tonight 22 Sep Marion

Mostly clear with a slight chance of Showers and Thunderstorms in the Evening, then partly cloudy after midnight. Lows in the mid 60s. Light Winds. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Nickajack Lake Temperature Statistics

September Temperature

Chattanooga, Lovell Field (15.5 miles)

  • Lowest 10 September, 2026

    67.6 °F

  • Average September

    84.8 °F

  • Highest 4 September, 2026

    101.6 °F

Climate (2021–2026)

Chattanooga, Lovell Field (15.5 miles)

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  • Average Low 2021–2026

    53.6 °F

  • Average 2021–2026

    63.5 °F

  • Average High 2021–2026

    74.5 °F
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