Knoxville Weather Forecast

    • 75
    • 90

    Slight Chance Thunderstorms

    • 74
    • 94

    Mostly Sunny

    • 70
    • 88

    Chance Thunderstorms

    • 70
    • 86

    Chance Thunderstorms

    • 72
    • 90

    Partly Sunny

    • 72
    • 93

    Mostly Sunny

Today 22 Jul Marion

Partly sunny with a slight chance of Showers and Thunderstorms. Highs around 90. South Winds 10 to 15 Mph. Chance of rain 20 percent. Heat index Values up to 104.

Tonight 22 Jul Marion

Mostly cloudy with a slight chance of Showers and Thunderstorms in the Evening, then partly cloudy after midnight. Humid with Lows in the mid 70s. South Winds around 10 Mph. Chance of rain 20 percent. Heat index Values up to 103 early in the evening.

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Knoxville Temperature Statistics

July Temperature

Knoxville (1.2 miles)

  • Lowest 13 July, 2025

    60.8 °F

  • Average July

    76 °F

  • Highest 3 July, 2025

    91.4 °F

Climate (2020–Present)

Knoxville (1.2 miles)

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  • Average Low 2020–2025

    43 °F

  • Average 2020–2025

    52.5 °F

  • Average High 2020–2025

    62 °F
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