Blountville Weather Forecast

    • 66
    • 87

    Slight Chance Thunderstorms

    • 65
    • 88

    Rain Showers Likely

    • 63
    • 82

    Rain Showers

    • 57
    • 75

    Rain Showers

    • 54
    • 73

    Chance Rain Showers

    • 51
    • 72

    Partly Sunny

Today 20 Sep Sullivan

Mostly sunny. A slight chance of Showers and Thunderstorms this afternoon. Highs in the lower to mid 80s. Light Winds. Chance of rain 20 percent.

Tonight 20 Sep Sullivan

Partly cloudy. Lows in the upper 60s. Light Winds.

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Blountville Temperature Statistics

September Temperature

Bristol / Johnson / Kingsport, Tri-City Regional Airport (5 miles)

  • Lowest 8 September, 2026

    58.6 °F

  • Average September

    77 °F

  • Highest 4 September, 2026

    97.6 °F

Climate (2021–2026)

Bristol / Johnson / Kingsport, Tri-City Regional Airport (5 miles)

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  • Average Low 2021–2026

    46.6 °F

  • Average 2021–2026

    58 °F

  • Average High 2021–2026

    70.4 °F
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