Point Forecast: Washington-Dulles International Airport VA
 38.95N 77.44W (Elev. 285 ft)
Last Update: 10:30 am EDT Jul 12, 2025
Tabular Forecast
[show menu]Get as XML

Date07/1207/13
Hour (EDT)202122230001020304050607080910111213141516171819
Temperature (°F)838179787776757474747374767880818384858585848381
Dewpoint (°F)757575747474747473747373757677777777777777777776
Heat Index (°F)90877978777675767887889294969696949287
Surface Wind (mph)665533332222333556666665
Wind DirSESESESESESESSESESESESESESESESESESESESESESESS
Gust
Sky Cover (%)393943556362565662686266596767667379868686868686
Precipitation Potential (%)131822111615131415121011353535353535787878787878
Relative Humidity (%)778288889094971009710010097979491888280777777808285
Rain--SChcSChc--SChcSChc----SChc------ChcChcChcChcChcChcOcnlOcnlOcnlOcnlOcnlOcnl
Thunder--SChcSChc--SChcSChc------------------SChcSChcSChcChcChcChcLklyLklyLkly
Fog------------------------------------------------

Date07/14
Hour (EDT)202122230001020304050607080910111213141516171819
Temperature (°F)807977767574747373737374757780828485868686858483
Dewpoint (°F)767675757574747373737374757677777776767675757575
Heat Index (°F)8679777675757787909494969695949290
Surface Wind (mph)533222222222223335553332
Wind DirSSSSSSSSSSSWSWWWNWNWNWNWNWNNENEESE
Gust
Sky Cover (%)727579827672657176828282827773687173767676767676
Precipitation Potential (%)585858585858262626262626383838383838636363636363
Relative Humidity (%)889194971001001001001001001001001009791858075727270727477
RainLklyLklyLklyLklyLklyLklyChcChcChcChcChcChcChcChcChcChcChcChcLklyLklyLklyLklyLklyLkly
ThunderChcChcChcSChcSChcSChc------------------ChcChcChcChcChcChcChcChcChc
Fog------------------------------------------------

Additional Forecasts and Information
International System of UnitsForecast Discussion
7-Day ForecastHourly Weather Graph
Hazardous Weather Briefing Page
Past Weather InformationInteractive Forecast Map
Home