Point Forecast: 2 Miles S Washington-Dulles International Airport VA
 38.93N 77.45W (Elev. 299 ft)
Last Update: 10:30 am EDT Jul 12, 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  
Vent Rate (x1000 mph-ft)
Atmospheric Dispersion Index
Low Visibility Occurrence Risk Index
Ceiling Height
Visibility

48-Hour Period Starting:       Back 2 Days  

Date07/13
Hour (EDT)000102030405060708091011121314151617181920212223
Temperature (°F)777675757474737476788081838485858584838180797877
Dewpoint (°F)747474747373737375767777777777777777777676767575
Heat Index (°F)7776757576788788929496969694928786797877
Surface Wind (mph)333322223335566666655332
Wind DirSESSSESESESESESESESESESESESESESESESSSSSS
Gust
Sky Cover (%)666054546466646458686766737986868686868672757982
Precipitation Potential (%)151413141512101134343434343478787878787858585858
Relative Humidity (%)9094979797971009797949188828077777780828588919194
RainSChc------SChc------ChcChcChcChcChcChcOcnlOcnlOcnlOcnlOcnlOcnlLklyLklyLklyLkly
ThunderSChc--------------------SChcSChcSChcChcChcChcLklyLklyLklyChcChcChcSChc

Date07/14
Hour (EDT)000102030405060708091011121314151617181920212223
Temperature (°F)767574737373737475778082848586868685848382807876
Dewpoint (°F)757474737373737475767777777676767575757575757474
Heat Index (°F)767575778790949496969594929089857876
Surface Wind (mph)222222222233355533322222
Wind DirSSSSSSSWSWWWNWNWNWNWNWNNENEESESESESS
Gust
Sky Cover (%)767264697580818182777368717376767676767646413530
Precipitation Potential (%)585826262626262638383838383864646464646417171717
Relative Humidity (%)9797100100100100100100100979185807572727072747779858894
RainLklyLklyChcChcChcChcChcChcChcChcChcChcChcChcLklyLklyLklyLklyLklyLklySChcSChcSChcSChc
ThunderSChcSChc------------------ChcChcChcChcChcChcChcChcChcSChcSChcSChc--

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