Johnson County Airport Weather Forecast

    • 59
    • 88

    Mostly Sunny

    • 59
    • 89

    Mostly Sunny

    • 60
    • 89

    Slight Chance Thunderstorms

    • 58
    • 85

    Rain Showers

    • 55
    • 77

    Rain Showers

    • 56
    • 74

    Rain Showers Likely

    • 58
    • 78

    Rain Showers

Today 17 May Johnson

Sunny. Highs in the upper 70s and 80s. Light Winds.

Tonight 17 May Johnson

Mostly clear. Lows in the upper 50s. Light Winds.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Johnson County Airport Temperature Statistics

May Temperature

Watauga County Hospital Heliport (17.4 miles)

  • Lowest 12 May, 2026

    32.7 °F

  • Average May

    54.8 °F

  • Highest 10 May, 2026

    73.8 °F

Climate (2021–Present)

Watauga County Hospital Heliport (17.4 miles)

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

  • Average Low 2021–2026

    44.1 °F

  • Average 2021–2026

    53.8 °F

  • Average High 2021–2026

    63.6 °F
Get WillyWeather+ to remove ads