Johnson City Weather Forecast

    • 63
    • 84

    Rain Showers

    • 58
    • 78

    Rain Showers

    • 54
    • 75

    Slight Chance Rain Showers

    • 48
    • 74

    Mostly Sunny

    • 48
    • 74

    Partly Sunny

    • 50
    • 76

    Partly Sunny

Today 22 Sep Washington

A chance of Showers with a slight chance of Thunderstorms in the Morning, then Showers with a chance of Thunderstorms in the afternoon. Highs in the lower 80s. Temperature falling into the lower 70s in the afternoon. Light Winds. Chance of rain 80 percent.

Tonight 22 Sep Washington

Mostly cloudy with Showers likely with a slight chance of Thunderstorms in the Evening, then mostly cloudy with a chance of Showers after midnight. Lows in the mid 60s. Light Winds. Chance of rain 70 percent.

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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

    75.3 °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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