Point Forecast: Sterling VA
 38.99N 77.41W (Elev. 99 m)
Last Update: 1:30 pm EDT Jul 13, 2025
Tabular Forecast
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Weather ElementsFire WeatherAviation Weather
Temperature (°C)
Dewpoint (°C)
Heat Index (°C)

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

Rain
Thunder
Fog
Mixing Height  
Trans. Wind  
Vent Rate (x1000 mph-m)
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 (°C)242323232323232425262829303031302928272625242423
Dewpoint (°C)232323232323232424242425252525242424242424242423
Heat Index (°C)2424252632343636373634333126252424
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 (°C)232323232323232425272829293030302929282727262524
Dewpoint (°C)232323232323232324242424242424242424242424242424
Heat Index (°C)2425293234343636353433323130262524
Surface Wind (mph)222222222222333555333222
Wind DirSSWWNWNWNWNNNEEESESSSSSSSSSSS
Gust
Sky Cover (%)787979808078777570666167748080808080804444454552
Precipitation Potential (%)532323232323232929292929296969696969692121212121
Relative Humidity (%)1001001001001001009797948582777572727072748285889497100
RainChcSChcSChcSChcSChcSChcSChcChcChcChcChcChcChcLklyLklyLklyLklyLklyLklySChcSChcSChcSChcSChc
ThunderSChcSChcSChcSChcSChcSChcSChc------SChcSChcSChcChcChcChcChcChcChcSChcSChcSChc----

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