Point Forecast: 2 Miles S Washington-Dulles International Airport VA
 38.93N 77.45W (Elev. 299 ft)
Last Update: 1:30 am EDT Jul 15, 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  

Date07/1507/16
Hour (EDT)030405060708091011121314151617181920212223000102
Temperature (°F)737373737375778082848687888886858482797877767675
Dewpoint (°F)737272727374757676767676767676767676767675757575
Heat Index (°F)75778689939698999996949389797877767675
Surface Wind (mph)111122222223335555333222
Wind DirWNWNWNNNNNNNWNWSESSSSESSSSSSSS
Gust
Sky Cover (%)576461766353544548312851576869606148464449495354
Precipitation Potential (%)12101198524481526365254404117161815443
Relative Humidity (%)100979797100979488827772706868727577829194949797100
Rain--------------------SChcChcChcChcChcChcChcSChcSChcSChcSChc------
Thunder--------------------SChcChcChcChcChcChcChcSChcSChcSChc--------

Date07/17
Hour (EDT)030405060708091011121314151617181920212223000102
Temperature (°F)757474737476798284868788888786858381797877777777
Dewpoint (°F)757474737475777878787878787777777777767675757575
Heat Index (°F)7576799195981001021029997969288797877777777
Surface Wind (mph)233556678999101010987666666
Wind DirSSSSSSSWSWSSSSSSSSSSSSSSSS
Gust
Sky Cover (%)333447645751746963697480808080808074726967676868
Precipitation Potential (%)3561092626262626267070707070702323232323236
Relative Humidity (%)10010010010010097948882777572727275778288919494949494
Rain----------ChcChcChcChcChcChcLklyLklyLklyLklyLklyLklySChcSChcSChcSChcSChcSChc--
Thunder----------------ChcChcChcLklyLklyLklyLklyLklyLklySChcSChcSChcSChcSChcSChc--

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