Chattanooga Weather Forecast

    • 75
    • 99

    Slight Chance Thunderstorms

    • 73
    • 97

    Slight Chance Thunderstorms

    • 71
    • 91

    Chance Rain Showers

    • 70
    • 92

    Mostly Sunny

    • 71
    • 94

    Sunny

    • 71
    • 95

    Slight Chance Thunderstorms

Today 5 Sep Hamilton

Sunny. A slight chance of Showers and Thunderstorms early in the afternoon. A chance of Showers and Thunderstorms late. Humid with Highs in the mid to upper 90s. Light Winds. Chance of rain 40 percent. Heat index Values around 110.

Tonight 5 Sep Hamilton

Mostly clear. Near steady temperature in the mid 70s. Light Winds.

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Chattanooga Temperature Statistics

September Temperature

Chattanooga, Lovell Field (6.2 miles)

  • Lowest 1 September, 2026

    72.6 °F

  • Average September

    85.7 °F

  • Highest 2 September, 2026

    100 °F

Climate (2021–2026)

Chattanooga, Lovell Field (6.2 miles)

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  • Average Low 2021–2026

    53.5 °F

  • Average 2021–2026

    63.4 °F

  • Average High 2021–2026

    74.4 °F
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