Point Forecast: 2 Miles S Washington-Dulles International Airport VA
 38.93N 77.45W (Elev. 299 ft)
Last Update: 2:47 pm EDT Jul 17, 2024
Tabular Forecast
[hide menu]Get as XML
Weather ElementsFire WeatherAviation Weather
Temperature (°F)
Dewpoint (°F)
Heat Index (°F)

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

Rain
Thunder
Fog
Mixing Height  
Haines Index
Lightning Activity Level
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  

Date07/1707/18
Hour (EDT)151617181920212223000102030405060708091011121314
Temperature (°F)959288838180797877767574747372727374767981838586
Dewpoint (°F)686970737372737372727272717070696969696968676564
Heat Index (°F)10097938986847978777675767984868787
Surface Wind (mph)11109976553353355667788888
Wind DirSWSWWWWSWSWSWSWSWWWNWNWNWNWNWNWNNNNNN
Gust
Sky Cover (%)818485848490938693868470615877687162645960636860
Precipitation Potential (%)5470747875725753453933109669915131414151516
Relative Humidity (%)424755727777828585879093909093908784797265595148
RainChcLklyLklyOcnlOcnlLklyLklyChcChcChcChc------------SChc------SChcSChcSChc
ThunderChcLklyLklyOcnlOcnlLklyLklyChcChcChcChc--------------------------

Date07/19
Hour (EDT)151617181920212223000102030405060708091011121314
Temperature (°F)868787868481797775737170686766666769717679818384
Dewpoint (°F)646363636363636261605958585858585858585959605959
Heat Index (°F)8788888785827977757679828384
Surface Wind (mph)888877666677777778877665
Wind DirNNNNNNNNNNNNNNNNNNNNNNNN
Gust
Sky Cover (%)555355423938424041413934343939434135363230323336
Precipitation Potential (%)18202223231313134442220000000000
Relative Humidity (%)484545464954586062646666707375757368635650494443
RainSChcSChcSChcSChcSChc--------------------------------------
Thunder------------------------------------------------

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