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Baltimore, MD/Washington, D.C.
 
 
 Point Forecast: Washington-Dulles International Airport VA
 38.95N 77.44W (Elev. 285 ft)
Last Update: 11:45 am EDT May 9, 2021
Tabular Forecast
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Weather ElementsWeather/PrecipitationFire 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

48-Hour Period Starting:       Back 2 Days  

Date05/0905/10
Hour (EDT)131415161718192021222300010203040506070809101112
Temperature (°F)606164656667666665656564636462616056555657596062
Dewpoint (°F)373840424345464949505050515151515047474745444444
Heat Index (°F)
Surface Wind (mph)151618212418151313151815151418161514141515151414
Wind DirSSSSSSSSSSWSWSWSWWNWNWNWNWNWNWNWNWNWNW
Gust232429303629221820232823232128242321222323222121
Sky Cover (%)69605392100100100100991009999100100100998979746861554233
Precipitation Potential (%)1355513131341414141414141414141414111111
Relative Humidity (%)424241434345485456585860656367706972747264575552
Rain--------------ChcChcChcChcChcChcChcChcChcChcChcChc----------
Thunder------------------------------------------------
Fog------------------------------------------------

Date05/11
Hour (EDT)131415161718192021222300010203040506070809101112
Temperature (°F)636364656463615957555352515049484747485053565961
Dewpoint (°F)424241404040393938383737363636353535363635353434
Heat Index (°F)
Surface Wind (mph)141414141411987777777777789101010
Wind DirNWNWNWNWNWNWNWNWNWNNNNNNWNWNWNWNWNWNWNWNWNW
Gust2222212121
Sky Cover (%)313331221418252930323643526168727265554536212328
Precipitation Potential (%)111111133333333333333333
Relative Humidity (%)464643404143444749535456565861606363635850453936
Rain------------------------------------------------
Thunder------------------------------------------------
Fog------------------------------------------------

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