Point Forecast: Sterling VA
 38.99N 77.41W (Elev. 325 ft)
Last Update: 1:30 pm EDT Jul 13, 2025
Tabular Forecast
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Weather ElementsFire WeatherAviation Weather
Temperature (°F)
Dewpoint (°F)
Heat Index (°F)

Surface Wind  
Sky Cover (%)
Precipitation Potential (%)
Relative Humidity (%)

Rain
Thunder
Fog
Mixing Height  
Trans. Wind  
Vent Rate (x1000 mph-ft)
Atmospheric Dispersion Index
Low Visibility Occurrence Risk Index
Ceiling Height
Visibility

48-Hour Period Starting:       Back 2 Days  

Date07/1407/15
Hour (EDT)010203040506070809101112131415161718192021222300
Temperature (°F)757474747473737577798284868687868583817977767574
Dewpoint (°F)747474747373737576767677777777767676767676767574
Heat Index (°F)7575777989949797999694918779777675
Surface Wind (mph)222222222223355553332222
Wind DirSSSSSESESESESSSSSSSSSSSWWSSSES
Gust
Sky Cover (%)615864616257668069615655606163606978888380797778
Precipitation Potential (%)422520171614121410101933404144405366825353535353
Relative Humidity (%)971001001009710010010097918280757572727580859197100100100
RainChcChcSChcSChcSChc----------SChcChcChcChcChcChcChcLklyOcnlChcChcChcChcChc
ThunderChc------------------SChcChcChcChcChcChcChcLklyLklyChcChcChcSChcSChc

Date07/16
Hour (EDT)010203040506070809101112131415161718192021222300
Temperature (°F)747474737373747577808284858686868584828180787776
Dewpoint (°F)747474737373737475757676767676757575767676767676
Heat Index (°F)7577858993949696959492898786787776
Surface Wind (mph)222222222222333555333222
Wind DirSSWWNWNWNWNNNEEESESSSSSSSSSSS
Gust
Sky Cover (%)787979808078777570666167748080808080804444454552
Precipitation Potential (%)532323232323232929292929296969696969692121212121
Relative Humidity (%)1001001001001001009797948582777572727072748285889497100
RainChcSChcSChcSChcSChcSChcSChcChcChcChcChcChcChcLklyLklyLklyLklyLklyLklySChcSChcSChcSChcSChc
ThunderSChcSChcSChcSChcSChcSChcSChc------SChcSChcSChcChcChcChcChcChcChcSChcSChcSChc----

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