Downtown Knoxville Weather Forecast

    • 62
    • 83

    Slight Chance Thunderstorms

    • 65
    • 84

    Rain Showers Likely

    • 61
    • 79

    Rain Showers

    • 63
    • 80

    Chance Thunderstorms

    • 59
    • 79

    Chance Thunderstorms

    • 57
    • 79

    Mostly Sunny

Today 28 May Knox

Partly sunny with a slight chance of Showers and Thunderstorms. Highs in the lower 80s. Light Winds. Chance of rain 20 percent.

Tonight 28 May Knox

Partly cloudy. Lows in the lower 60s. Northeast Winds 5 to 10 Mph.

Graph Plots Open in Graphs
  • Temperature Forecast NOAA

  • Temperature Real-Time

Downtown Knoxville Temperature Statistics

May Temperature

Knoxville, McGhee Tyson Airport (10.6 miles)

  • Lowest 3 May, 2026

    43.6 °F
  • Average May

    68 °F
  • Highest 18 May, 2026

    92.6 °F

Climate (2021–Present)

Knoxville, McGhee Tyson Airport (10.6 miles)

Take a look at our website widgetsAvailable free! Find Out More
  • Average Low 2021–2026

    51.2 °F
  • Average 2021–2026

    61 °F
  • Average High 2021–2026

    71.5 °F
Get WillyWeather+ to remove ads