Knoxville Weather Forecast

    • 70
    • 92

    Rain Showers Likely

    • 64
    • 87

    Mostly Sunny

    • 64
    • 85

    Mostly Sunny

    • 68
    • 87

    Mostly Cloudy

    • 70
    • 86

    Chance Thunderstorms

    • 69
    • 86

    Rain Showers Likely

Today 28 Jul Knox

A chance of Showers in the Morning, then Showers and Thunderstorms likely in the afternoon. Humid with Highs in the lower 90s. Southwest Winds 5 to 15 Mph. Chance of rain 70 percent. Heat index Values around 105.

Tonight 28 Jul Knox

Mostly cloudy. A slight chance of Showers, then Showers likely with a slight chance of Thunderstorms late. Near steady temperature in the mid 70s. Light Winds. Chance of rain 70 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Knoxville Temperature Statistics

July Temperature

Knoxville, McGhee Tyson Airport (9.9 miles)

  • Lowest 25 July, 2026

    68 °F

  • Average July

    81.6 °F

  • Highest 2 July, 2026

    97.6 °F

Climate (2021–2026)

Knoxville, McGhee Tyson Airport (9.9 miles)

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  • Average Low 2021–2026

    51.3 °F

  • Average 2021–2026

    61.1 °F

  • Average High 2021–2026

    71.6 °F
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