Johnson City Weather Forecast

    • 58
    • 83

    Mostly Sunny

    • 59
    • 83

    Mostly Cloudy

    • 57
    • 77

    Mostly Cloudy

    • 57
    • 81

    Mostly Sunny

    • 58
    • 84

    Mostly Sunny

    • 60
    • 86

    Partly Sunny

    • 59
    • 83

    Chance Rain Showers

Today 14 Sep Washington

Sunny. Highs in the lower 80s. Light Winds.

Tonight 14 Sep Washington

Mostly clear this Evening, then becoming partly cloudy. Lows in the upper 50s. Light Winds.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Johnson City Temperature Statistics

September Temperature

Elizabethton Municipal Airport (10.6 miles)

  • Lowest 8 September, 2025

    44.6 °F

  • Average September

    64.4 °F

  • Highest 5 September, 2025

    82.4 °F

Climate (2020–Present)

Elizabethton Municipal Airport (10.6 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2020–2025

    47.3 °F

  • Average 2020–2025

    57.4 °F

  • Average High 2020–2025

    68.8 °F
Get WillyWeather+ to remove ads