Johnson City Weather Forecast

    • 66
    • 91

    Mostly Sunny

    • 67
    • 92

    Slight Chance Thunderstorms

    • 66
    • 90

    Rain Showers Likely

    • 66
    • 89

    Chance Thunderstorms

    • 66
    • 89

    Chance Thunderstorms

    • 65
    • 89

    Rain Showers Likely

Today 16 Sep Washington

Sunny. Highs in the upper 80s to lower 90s. Light Winds.

Tonight 16 Sep Washington

Mostly clear. Lows in the mid 60s. Light Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Johnson City Temperature Statistics

September Temperature

Elizabethton Municipal Airport (10.6 miles)

  • Lowest 8 September, 2026

    62.6 °F

  • Average September

    75.5 °F

  • Highest 3 September, 2026

    95 °F

Climate (2021–2026)

Elizabethton Municipal Airport (10.6 miles)

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  • Average Low 2021–2026

    47.1 °F

  • Average 2021–2026

    57.3 °F

  • Average High 2021–2026

    68.8 °F
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