Point Forecast: 2 Miles S Washington-Dulles International Airport VA
 38.93N 77.45W (Elev. 299 ft)
Last Update: 1:30 pm EDT Jul 13, 2025
Tabular Forecast
[show menu]Get as XML

Date07/1307/14
Hour (EDT)192021222300010203040506070809101112131415161718
Temperature (°F)868280777776757474747373737577808284868687868583
Dewpoint (°F)757676767575747474747373737576777778777878777777
Heat Index (°F)9589867777767575778790959798100979692
Surface Wind (mph)665333222222222223355553
Wind DirSSSSESSSSSSSSESESSSSSSSSSSS
Gust
Sky Cover (%)706061626865676461696759638169705755596462596776
Precipitation Potential (%)434042434548432420161513111410101832394143385164
Relative Humidity (%)7082889794979710010010010010010010097918582757775757782
RainChcChcChcChcChcChcChcSChcSChcSChcSChc----------SChcChcChcChcChcChcChcLkly
ThunderChcChcChcChcChcChcChc------------------SChcChcChcChcChcChcChcLkly

Date07/15
Hour (EDT)192021222300010203040506070809101112131415161718
Temperature (°F)817977767675757473737373747577808284858686868584
Dewpoint (°F)777676767575747473737373737475767777777777767676
Heat Index (°F)887977767675757577869094969797969493
Surface Wind (mph)332222222222222223355555
Wind DirSWSSESESSSSWNWNWNWNWNWNNEEESESSSSS
Gust
Sky Cover (%)898477787978777677798079797873686369758181818181
Precipitation Potential (%)835353535353532323232323233030303030307171717171
Relative Humidity (%)8891971009710097100100100100100979794888580777575727577
RainOcnlChcChcChcChcChcChcSChcSChcSChcSChcSChcSChcChcChcChcChcChcChcLklyLklyLklyLklyLkly
ThunderLklyChcChcChcSChcSChcSChcSChcSChcSChcSChcSChcSChc------SChcSChcSChcChcChcChcChcChc

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