Point Forecast: Knoxville, McGhee Tyson Airport TN
 35.8N 83.98W (Elev. 291 m)
Last Update: 1:06 pm EDT Oct 11, 2026
Tabular Forecast
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Weather ElementsFire WeatherAviation Weather
Temperature (°C)
Dewpoint (°C)
Heat Index (°C)

Surface Wind  
Sky Cover (%)
Precipitation Potential (%)
Relative Humidity (%)

Rain
Thunder
Fog
Mixing Height  
Trans. Wind  
20ft Wind  
Pressure (in)
Atmospheric Dispersion Index
Low Visibility Occurrence Risk Index
Turner Stability Index
Ceiling Height
Visibility

48-Hour Period Starting:       Back 2 Days  

Date10/1110/12
Hour (EDT)141516171819202122230001020304050607080910111213
Temperature (°C)192021202120191918181818171717161616161719212324
Dewpoint (°C)191919191818181818181818171717161616161718181919
Heat Index (°C)24
Surface Wind (mph)101014131111998887666655332221
Wind DirSWSWSWSWWWWWWSWSWSWSWSWSWSWSWSWSWSSSSWSW
Gust
Sky Cover (%)757886856991908079828071616256283141514445525760
Precipitation Potential (%)6369626752461297543210000000000
Relative Humidity (%)9793909387909093979710010010010010010010010010010093847971
RainLklyLklyLklyLklyChcChc------------------------------------
Thunder------------------------------------------------

Date10/13
Hour (EDT)141516171819202122230001020304050607080910111213
Temperature (°C)262727272624232019181818171717161615161720232527
Dewpoint (°C)191919191918181817171716161616151414141617181918
Heat Index (°C)2628282826242528
Surface Wind (mph)222223333222222221112356
Wind DirWWWSWSSSSSSSSSSSSSSSSSWSWSWSW
Gust
Sky Cover (%)6765238121461411791214141515172022159221
Precipitation Potential (%)000000000000000000000000
Relative Humidity (%)646260606469738790909390939393939396939084766960
Rain------------------------------------------------
Thunder------------------------------------------------

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