Point Forecast: Knoxville, McGhee Tyson Airport TN
 35.83N 83.98W (Elev. 961 ft)
Last Update: 7:26 pm EDT Jul 13, 2025
Tabular Forecast
[hide menu]Get as XML
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  

Date07/1307/14
Hour (EDT)192021222300010203040506070809101112131415161718
Temperature (°F)868381807877767474747373737577808385878990909190
Dewpoint (°F)696870707070707170707070707071707171706968686869
Heat Index (°F)908685837877767577838890929494949595
Surface Wind (mph)766322221111111223566677
Wind DirWSWWSWSSSSWSWSWSSSSWWWWWWWWWNWNW
Gust
Sky Cover (%)504129373016182337475355413328314335413625422429
Precipitation Potential (%)2116118656677871091015139112228243328
Relative Humidity (%)576169727679829087879090908482726763575249494750
RainSChcSChc--------------------------SChc------SChcChcSChcChcChc
ThunderSChcSChc----------------------------------SChcChcSChcChcChc

Date07/15
Hour (EDT)192021222300010203040506070809101112131415161718
Temperature (°F)888583817978777675747474757678818487899192939291
Dewpoint (°F)696970717171727272717171727272727271717069686868
Heat Index (°F)928987857978777675757678859093959797979695
Surface Wind (mph)665322222111111223355666
Wind DirNWNWNWNEEEENENENENEEEESESWWWWWWWWW
Gust
Sky Cover (%)173039444840332530364137343027242123262830323440
Precipitation Potential (%)331717171717174444449999995050505050
Relative Humidity (%)545965727779858790909090908782746759565047444647
RainChcSChcSChcSChcSChcSChcSChc------------------------ChcChcChcChcChc
ThunderChcSChcSChcSChcSChcSChcSChc------------------------ChcChcChcChcChc

Additional Forecasts and Information
International System of UnitsForecast Discussion
7-Day ForecastHourly Weather Graph
Weather GlossaryForecast Matrices
Public Info StatementsFire Weather Forecasts
Local ClimatologyLocal Hydrology
Hazardous Weather OutlooksSunrise & Sunset
Tropical InformationAviation Weather
NOAA Weather Radio