Downtown Knoxville Weather Forecast

    • 55
    • 61

    Chance Rain Showers

    • 55
    • 66

    Chance Rain Showers

    • 57
    • 68

    Slight Chance Rain Showers

    • 60
    • 70

    Chance Rain Showers

    • 57
    • 71

    Chance Rain Showers

    • 24
    • 63

    Rain Showers Likely

Today 23 Dec Knox

Mostly cloudy. A chance of Sprinkles this morning and early Afternoon, then a slight chance of Showers late. Highs in the lower 60s. Southwest Winds 5 to 15 Mph with Gusts up to 25 Mph. Chance of rain 20 percent.

Tonight 23 Dec Knox

Cloudy with a 40 percent chance of Showers. Lows in the mid 50s. Light Winds.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Downtown Knoxville Temperature Statistics

December Temperature

Knoxville, McGhee Tyson Airport (10.6 miles)

  • Lowest 15 December, 2025

    14 °F

  • Average December

    38.6 °F

  • Highest 18 December, 2025

    63 °F

Climate (2020–Present)

Knoxville, McGhee Tyson Airport (10.6 miles)

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

  • Average Low 2020–2025

    51 °F

  • Average 2020–2025

    60.6 °F

  • Average High 2020–2025

    71.1 °F
Get WillyWeather+ to remove ads