Downtown Knoxville Weather Forecast

    • 74
    • 91

    Chance Thunderstorms

    • 75
    • 93

    Slight Chance Thunderstorms

    • 75
    • 94

    Slight Chance Thunderstorms

    • 76
    • 95

    Mostly Sunny

    • 73
    • 96

    Slight Chance Thunderstorms

    • 72
    • 91

    Chance Thunderstorms

    • 72
    • 93

    Mostly Sunny

Today 13 Aug Knox

Partly sunny with a chance of Showers and Thunderstorms. Highs in the lower 90s. Light Winds. Chance of rain 50 percent.

Tonight 13 Aug Knox

Mostly cloudy in the Evening, then becoming partly cloudy. Humid with Lows in the lower 70s. Light Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Downtown Knoxville Temperature Statistics

August Temperature

Knoxville, McGhee Tyson Airport (10.6 miles)

  • Lowest 5 August, 2026

    68.6 °F

  • Average August

    79.3 °F

  • Highest 11 August, 2026

    91 °F

Climate (2021–2026)

Knoxville, McGhee Tyson Airport (10.6 miles)

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  • Average Low 2021–2026

    51.4 °F

  • Average 2021–2026

    61.1 °F

  • Average High 2021–2026

    71.6 °F
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