Point Forecast: 2 Miles S Washington-Dulles International Airport VA
 38.93N 77.45W (Elev. 299 ft)
Last Update: 6:33 am EST Feb 18, 2025
Tabular Forecast
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Weather ElementsFire WeatherAviation Weather
Temperature (°F)
Dewpoint (°F)
Wind Chill (°F)

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

Rain
Thunder
Snow
Freezing Rain
Sleet
Fog
Mixing Height  
Haines Index
Lightning Activity Level
Trans. Wind  
Vent Rate (x1000 mph-ft)
Atmospheric Dispersion Index
Low Visibility Occurrence Risk Index
Ceiling Height
Visibility

48-Hour Period Starting:       Back 2 Days  

Date02/1802/19
Hour (EST)070809101112131415161718192021222300010203040506
Temperature (°F)232124252931323536363533292726252422212020201919
Dewpoint (°F)454433334445655544323222
Wind Chill (°F)129121318202226272726241916151413101099978
Surface Wind (mph)11131414141514141414131313131313111110101010109
Wind DirNWNWNWNWNWNWNWNWNWNWNWNNNNNNNNNNWNWNWN
Gust202222232324232222222120212122222121212121201818
Sky Cover (%)868381788180615430282022181814141114192944607286
Precipitation Potential (%)000000100000000000000006
Relative Humidity (%)434941403230282525252630373840424145454547454747
Rain------------------------------------------------
Thunder------------------------------------------------
Snow------------------------------------------------
Freezing Rain------------------------------------------------
Sleet------------------------------------------------

Date02/20
Hour (EST)070809101112131415161718192021222300010203040506
Temperature (°F)191921232527282930303028272726262625252424232322
Dewpoint (°F)11112233456891010111211121211111110
Wind Chill (°F)8911151720222324252524232320201918181616141311
Surface Wind (mph)9887776665533355666778910
Wind DirNNNNWNWNWNWNWNWNWNNNNNNNNNWNWNNNN
Gust
Sky Cover (%)939595969595939187837972686461616263646567707582
Precipitation Potential (%)888121212191919282828282828222222313131292929
Relative Humidity (%)444441383633333232343542464850525555576057595959
Rain------------------------------------------------
Thunder------------------------------------------------
Snow------------SChcSChcSChcChcChcChcChcChcChcSChcSChcSChcChcChcChcChcChcChc
Freezing Rain------------------------------------------------
Sleet------------------------------------------------

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