Johnson County Airport Weather Forecast

    • 26
    • 50

    Becoming Sunny

    • 35
    • 54

    Chance Rain Showers

    • 43
    • 56

    Chance Rain Showers

    • 44
    • 62

    Mostly Cloudy

    • 49
    • 63

    Mostly Cloudy

    • 48
    • 63

    Mostly Cloudy

Today 21 Dec Johnson

Mostly sunny. Highs in the 40s to lower 50s. Northwest Winds 10 Mph or less.

Tonight 21 Dec Johnson

Partly cloudy. Cold with Lows in the upper 20s to mid 30s. West Winds 10 Mph or less.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Johnson County Airport Temperature Statistics

December Temperature

Watauga County Hospital Heliport (17.4 miles)

  • Lowest 14 December, 2025

    15.3 °F

  • Average December

    34.2 °F

  • Highest 13 December, 2025

    53.6 °F

Climate (2020–Present)

Watauga County Hospital Heliport (17.4 miles)

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

  • Average Low 2020–2025

    43.9 °F

  • Average 2020–2025

    53.4 °F

  • Average High 2020–2025

    63.2 °F
Get WillyWeather+ to remove ads