Point Forecast: 2 Miles S Washington-Dulles International Airport VA
 38.93N 77.45W (Elev. 91 m)
Last Update: 7:30 pm EDT Jul 14, 2025
Tabular Forecast
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Weather ElementsFire WeatherAviation Weather
Temperature (°C)
Dewpoint (°C)
Heat Index (°C)

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

Rain
Thunder
Fog
Mixing Height  
Trans. Wind  
Vent Rate (x1000 mph-m)
Atmospheric Dispersion Index
Low Visibility Occurrence Risk Index
Ceiling Height
Visibility

48-Hour Period Starting:       Back 2 Days  

Date07/1507/16
Hour (EDT)010203040506070809101112131415161718192021222300
Temperature (°C)232323232323232425272729293031302928282726262524
Dewpoint (°C)232323222222232323232323242424242424242424232323
Heat Index (°C)2425293033343536353332323126262524
Surface Wind (mph)111111222222233333332222
Wind DirSSWWNWNWNNNNNNNNEESESESSSSSESSS
Gust
Sky Cover (%)656657646176636357635446485559667680676853535249
Precipitation Potential (%)1917121011981515141415213239496452512121212121
Relative Humidity (%)97971009797971009487827972727068707477798288889094
RainSChcSChc----------SChcSChc----SChcSChcChcChcChcLklyChcChcSChcSChcSChcSChcSChc
ThunderSChc--------------------SChcSChcChcChcChcChcChcChcSChcSChcSChc----

Date07/17
Hour (EDT)010203040506070809101112131415161718192021222300
Temperature (°C)242423232323242426272829313131313029282727262626
Dewpoint (°C)232323232323242424242424242424242424242424232323
Heat Index (°C)2424242426313334373737373634323129262626
Surface Wind (mph)222223355667788887766666
Wind DirSSSSSSSSSSSSSSSSSSSSSSSS
Gust
Sky Cover (%)474452616970717266605463718080808080807576767776
Precipitation Potential (%)211313131313131919191919196969696969692222222222
Relative Humidity (%)94971001001001001009791858075706868707277778285858888
RainSChc------------SChcSChcSChcSChcSChcSChcLklyLklyLklyLklyLklyLklySChcSChcSChcSChcSChc
Thunder--------------------SChcSChcSChcChcChcChcChcChcChcSChcSChcSChcSChcSChc

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