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 Point Forecast: Tysons Corner VA
 38.91N 77.22W (Elev. 449 ft)
Last Update: 1:32 pm EDT May 18, 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  

Date05/1805/19
Hour (EDT)131415161718192021222300010203040506070809101112
Temperature (°F)747677787877757369666562616059585858596469747779
Dewpoint (°F)494848474647474849484847474849494950505252545352
Heat Index (°F)7677787877757779
Surface Wind (mph)353555555555555333333222
Wind DirSSWSWSWSWSSSSSSSSSWSWSWSWSWWWWWWW
Gust
Sky Cover (%)87614151578465161111101011131413111013
Precipitation Potential (%)000000000000000000011111
Relative Humidity (%)413736333235374149525458606469727275726555504339
Rain------------------------------------------------
Thunder------------------------------------------------

Date05/20
Hour (EDT)131415161718192021222300010203040506070809101112
Temperature (°F)818383848382807875737068666563626263646771768083
Dewpoint (°F)494949494949505151525252525252535353545454545453
Heat Index (°F)808181828181807875768082
Surface Wind (mph)333555553322333222222223
Wind DirSWSWSWSWSWSWSWSWSWSWSWSWSWSWWWWWWWWWWSW
Gust
Sky Cover (%)182020191817161515151518232526272831363838373639
Precipitation Potential (%)111111111111111111122222
Relative Humidity (%)333131303132353943485357616367727270706355464136
Rain------------------------------------------------
Thunder------------------------------------------------

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