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 Point Forecast: Reston VA
 38.95N 77.36W (Elev. 446 ft)
Last Update: 4:33 pm EDT Jun 21, 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  

Date06/2106/22
Hour (EDT)192021222300010203040506070809101112131415161718
Temperature (°F)868482807877767573717070696968666564646568717271
Dewpoint (°F)707070717070706968686765646362636261616059585756
Heat Index (°F)9188868378777675
Surface Wind (mph)876666666666789889888988
Wind DirSWSWSWWWWWNWNWNWNWNWNWNNNNNNNNNWNNW
Gust
Sky Cover (%)727972457356656252636466779091969695949491816767
Precipitation Potential (%)565656353535351313131717178787878787873636361212
Relative Humidity (%)596367747679828284909084848181909090908473635959
RainLklyLklyLklyChcChcChcChcSChcSChcSChcSChcSChcSChcOcnlOcnlOcnlOcnlOcnlOcnlChcChcChc----
ThunderLklyLklyLklyChcSChcSChcSChc----------------------------------

Date06/23
Hour (EDT)192021222300010203040506070809101112131415161718
Temperature (°F)696765636261605958575656575962656870727374747474
Dewpoint (°F)565554545352515049484848484848474747474747474849
Heat Index (°F)
Surface Wind (mph)766677666666666555333333
Wind DirNWNNWNWNWNWNWNWNWNNNNNNNNNNNNNENENE
Gust
Sky Cover (%)6359554844423734291813129874359119534
Precipitation Potential (%)121010101010101010101010101010101010101010101010
Relative Humidity (%)636568727272727272727474726760524744414038384041
Rain------------------------------------------------
Thunder------------------------------------------------

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