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 Point Forecast: Herndon VA
 38.97N 77.38W (Elev. 354 ft)
Last Update: 1:30 pm EDT Oct 19, 2019
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)

48-Hour Period Starting:       Forward 2 Days  

Date10/1910/20
Hour (EDT)151617181920212223000102030405060708091011121314
Temperature (°F)656564626059575756555454545353535252545556575858
Dewpoint (°F)424243434444454546464747484849495050505151525353
Wind Chill (°F)
Surface Wind (mph)777766666655553235789999
Wind DirSSSSSSESESESESESESESESESESEENENENENENENN
Gust
Sky Cover (%)394449535659636670737582859194949595969798958986
Precipitation Potential (%)1111177712121254545475757584848472727240
Relative Humidity (%)434346505557646469727777808386869393868683838383
Rain----------------------ChcChcChcOcnlOcnlOcnlOcnlOcnlOcnlLklyLklyLklyChc
Thunder------------------------------------------------
Snow------------------------------------------------
Freezing Rain------------------------------------------------
Sleet------------------------------------------------

Date10/21
Hour (EDT)151617181920212223000102030405060708091011121314
Temperature (°F)585858565554535251515150505049495051545861636567
Dewpoint (°F)535252525151515050504949484847474747485051525252
Wind Chill (°F)494948474849
Surface Wind (mph)91010987666533355332233222
Wind DirNNNNNNNNNNNNNNNNNNNNNNEESE
Gust
Sky Cover (%)868787817064625856534744464950484340404040404141
Precipitation Potential (%)40402020201414141414141111111111118888889
Relative Humidity (%)838080868690939396969396939393938986807570676359
RainChcChcSChcSChcSChc--------------------------------------
Thunder------------------------------------------------
Snow------------------------------------------------
Freezing Rain------------------------------------------------
Sleet------------------------------------------------

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