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 Point Forecast: 3 Miles NW Chantilly VA
 38.91N 77.45W (Elev. 262 ft)
Last Update: 4:34 pm EDT Apr 19, 2021
Tabular Forecast
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Weather ElementsWeather/PrecipitationFire Weather
Temperature (°F)
Dewpoint (°F)
Wind Chill (°F)

Surface Wind  
Sky Cover (%)
Precipitation Potential (%)
Relative Humidity (%)
Rain
Thunder
Snow
Freezing Rain
Sleet
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  

Date04/1904/20
Hour (EDT)192021222300010203040506070809101112131415161718
Temperature (°F)656057555250494746464547475156636769707272737371
Dewpoint (°F)414243444444444444424242424344444443434243434343
Wind Chill (°F)4747454444434545
Surface Wind (mph)887767655555555678899999
Wind DirSWSWSWSSWSWSWSWSWSWSWSWSWSWSWSWSWSWSWSWSWSSS
Gust
Sky Cover (%)3919181817151210109810131515151516171821262829
Precipitation Potential (%)17110000000000000000012334
Relative Humidity (%)415159667480838993868983837464504339383435343436
RainSChc----------------------------------------------
Thunder------------------------------------------------
Snow------------------------------------------------
Freezing Rain------------------------------------------------
Sleet------------------------------------------------

Date04/21
Hour (EDT)192021222300010203040506070809101112131415161718
Temperature (°F)696664626160605958575655555660636767656261605855
Dewpoint (°F)444444454545454545464647474749505049484542383431
Wind Chill (°F)
Surface Wind (mph)8777788899910101113141516182021222222
Wind DirSSSSSSSSSSSSSSSSWSWSWWWWNWNWNW
Gust182122232526293134373937
Sky Cover (%)313233353636353436394146515662697574737264554739
Precipitation Potential (%)41010101010109991111112121216565654949491414
Relative Humidity (%)404548545658586062676974747267625452545449444040
Rain--------------------------SChcSChcSChcLklyLklyLklyChcChcChc----
Thunder--------------------------------SChcSChcSChc----------
Snow------------------------------------------------
Freezing Rain------------------------------------------------
Sleet------------------------------------------------

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