Point Forecast: Knoxville, McGhee Tyson Airport TN
 35.83N 83.98W (Elev. 961 ft)
Last Update: 1:42 pm EDT Jul 15, 2025
Tabular Forecast
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Weather ElementsFire WeatherAviation Weather
Temperature (°F)
Dewpoint (°F)
Heat Index (°F)

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  

Date07/1507/16
Hour (EDT)202122230001020304050607080910111213141516171819
Temperature (°F)878482808078777776757574767882848789909291909089
Dewpoint (°F)697070707071717171717070707171717070706868686969
Heat Index (°F)9188868383787777767575767886899294969695949594
Surface Wind (mph)53332222222223567889101098
Wind DirSWNESEWSWSEWWWWNWSSWSWSWSWSWSWSWSWSWWSWS
Gust
Sky Cover (%)514359542527273826304251393613211625372263413428
Precipitation Potential (%)222019161377885434876810434745463435
Relative Humidity (%)556367727279828285878487827969655754524647495052
RainSChcSChcSChcSChc----------------------------ChcChcChcChcChcChc
ThunderSChcSChcSChcSChc----------------------------ChcChcChcChcChcChc

Date07/17
Hour (EDT)202122230001020304050607080910111213141516171819
Temperature (°F)868482807978787776767676777981848689909191908987
Dewpoint (°F)697070717272717171717171717171717170706969686868
Heat Index (°F)908886837978787776767676777985899194969696949391
Surface Wind (mph)766666665555677889999988
Wind DirSWSSSSSWSWSWSSSSWSWSWSWSWSWSWSWSWSWSWSWSW
Gust
Sky Cover (%)263748585551485358635546383634323640444749525353
Precipitation Potential (%)313131313131111111111111191919191919535353535353
Relative Humidity (%)576367747982798285858585827772656154524949495053
RainChcChcChcChcChcChc------------SChcSChcSChcSChcSChcSChcChcChcChcChcChcChc
ThunderChcChcChcSChcSChcSChc------------------SChcSChcSChcChcChcChcChcChcChc

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