Knoxville Weather Forecast

    • 72
    • 93

    Decreasing Clouds

    • 73
    • 95

    Slight Chance Thunderstorms

    • 71
    • 90

    Chance Thunderstorms

    • 72
    • 91

    Slight Chance Thunderstorms

    • 73
    • 94

    Mostly Sunny

    • 74
    • 97

    Hot

Today 22 Jul Ray

Partly sunny. Warmer with Highs in the lower 90s. South Winds 5 to 10 Mph. Heat index Values up to 103.

Tonight 22 Jul Ray

Mostly clear. Lows in the lower 70s. South Winds 5 to 10 Mph. Heat index Values up to 103 early in the evening.

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Knoxville Temperature Statistics

July Temperature

Mosby Midwest National Air Center Airport (17.4 miles)

  • Lowest 2 July, 2025

    60.8 °F

  • Average July

    78.6 °F

  • Highest 10 July, 2025

    91.4 °F

Climate (2020–Present)

Mosby Midwest National Air Center Airport (17.4 miles)

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  • Average Low 2020–2025

    45 °F

  • Average 2020–2025

    55.8 °F

  • Average High 2020–2025

    66 °F
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