Kingsport Reservoir Weather Forecast

    • 9
    • 30

    Becoming Sunny

    • 21
    • 35

    Mostly Sunny

    • 29
    • 46

    Partly Sunny

    • 32
    • 48

    Mostly Cloudy

    • 35
    • 58

    Rain Showers

    • 29
    • 47

    Partly Sunny

Today 14 Dec Sullivan

Mostly sunny. A chance of Flurries early this afternoon. Much Colder with Highs in the mid to upper 20s. Temperature falling to around 17 this afternoon. Northwest Winds 5 to 15 Mph with Gusts up to 25 Mph. Wind chill Values around 6 below.

Tonight 14 Dec Sullivan

Mostly clear. Colder with Lows 5 to 8. North Winds 10 Mph or less with Gusts up to 20 Mph in the Evening, becoming light and variable. Wind chill Values around 5 below.

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Kingsport Reservoir Temperature Statistics

December Temperature

Bristol / Johnson / Kingsport, Tri-City Regional Airport (11.8 miles)

  • Lowest 1 December, 2025

    23 °F

  • Average December

    35.6 °F

  • Highest 7 December, 2025

    55.9 °F

Climate (2020–Present)

Bristol / Johnson / Kingsport, Tri-City Regional Airport (11.8 miles)

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  • Average Low 2020–2025

    46.7 °F

  • Average 2020–2025

    57.7 °F

  • Average High 2020–2025

    69.8 °F
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