Knoxville Municipal Airport Weather Forecast

    • 65
    • 88

    Chance Thunderstorms

    • 63
    • 83

    Chance Thunderstorms

    • 62
    • 76

    Rain Showers Likely

    • 64
    • 78

    Chance Rain Showers

    • 64
    • 80

    Chance Rain Showers

    • 60
    • 80

    Chance Rain Showers

Today 17 Sep Marion

Partly sunny with a chance of Showers and Thunderstorms. Near steady temperature in the mid 80s. South Winds around 5 Mph. Chance of rain 50 percent.

Tonight 17 Sep Marion

Mostly cloudy with a chance of Showers and Thunderstorms. Humid with Lows in the mid 60s. Southeast Winds around 5 Mph. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Knoxville Municipal Airport Temperature Statistics

September Temperature

Knoxville (0 miles)

  • Lowest 7 September, 2025

    42.8 °F

  • Average September

    68 °F

  • Highest 13 September, 2025

    95 °F

Climate (2020–Present)

Knoxville (0 miles)

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  • Average Low 2020–2025

    43 °F

  • Average 2020–2025

    52.5 °F

  • Average High 2020–2025

    62.1 °F
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