Downtown Knoxville Weather Forecast

    • 68
    • 90

    Chance Thunderstorms

    • 67
    • 88

    Slight Chance Thunderstorms

    • 69
    • 90

    Partly Sunny

    • 70
    • 91

    Mostly Sunny

    • 72
    • 92

    Mostly Sunny

    • 72
    • 93

    Mostly Sunny

    • 73
    • 93

    Partly Sunny

Today 27 Aug Knox

Mostly sunny. A chance of Showers and Thunderstorms late. Highs around 90. Light Winds. Chance of rain 40 percent.

Tonight 27 Aug Knox

Mostly cloudy. A chance of Showers and Thunderstorms, mainly this evening. Patchy fog after midnight. Lows in the upper 60s. Light Winds. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Downtown Knoxville Temperature Statistics

August Temperature

Knoxville, McGhee Tyson Airport (10.6 miles)

  • Lowest 24 August, 2026

    63.6 °F

  • Average August

    79.9 °F

  • Highest 17 August, 2026

    96.7 °F

Climate (2021–2026)

Knoxville, McGhee Tyson Airport (10.6 miles)

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  • Average Low 2021–2026

    51.3 °F

  • Average 2021–2026

    61.1 °F

  • Average High 2021–2026

    71.7 °F
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