Knoxville Weather Forecast

    • 63
    • 81

    Decreasing Clouds

    • 60
    • 81

    Mostly Sunny

    • 68
    • 82

    Rain Showers Likely

    • 62
    • 82

    Chance Rain Showers

    • 69
    • 81

    Chance Thunderstorms

    • 63
    • 85

    Rain Showers Likely

Today 9 Sep Marion

Mostly cloudy. Highs in the lower 80s. Northwest Winds around 5 Mph.

Tonight 9 Sep Marion

Partly cloudy. Humid with Lows in the lower 60s. North Winds around 5 Mph.

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Knoxville Temperature Statistics

September Temperature

Knoxville (1.2 miles)

  • Lowest 6 September, 2026

    69.8 °F

  • Average September

    81.1 °F

  • Highest 1 September, 2026

    95 °F

Climate (2021–2026)

Knoxville (1.2 miles)

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  • Average Low 2021–2026

    43.5 °F

  • Average 2021–2026

    53.2 °F

  • Average High 2021–2026

    62.8 °F
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