Point Forecast: Sterling VA
 38.99N 77.41W (Elev. 99 m)
Last Update: 1:30 am EDT Jul 16, 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  

Date07/1607/17
Hour (EDT)010203040506070809101112131415161718192021222300
Temperature (°C)242423232323232426272830313231312928282726252525
Dewpoint (°C)232323232323232424242525252525242524242424242424
Heat Index (°C)24242426313336373938373633323126252525
Surface Wind (mph)333333335667889998887666
Wind DirSSSSSSSSSSSSSSSSWSWSSSSWSSWSW
Gust
Sky Cover (%)616869636460626250596758625555728276777464676760
Precipitation Potential (%)8545555253712162332434037603423141513
Relative Humidity (%)9497100100100971009788858275726870707780828591949494
Rain------------------------SChcSChcChcChcChcChcLklyChcSChc--SChc--
Thunder------------------------SChcSChcChcChcChcChcLklyChcSChc--SChc--

Date07/18
Hour (EDT)010203040506070809101112131415161718192021222300
Temperature (°C)242424242424242627293132333434333332323129292827
Dewpoint (°C)232423232323232324242424242423232323242424242423
Heat Index (°C)242424242424242631333638394139393837373634343230
Surface Wind (mph)667777777788999998876655
Wind DirSWSSSWSWSWSWSWSWSWSWSWWWWSWSWSWSWSWSWWWW
Gust
Sky Cover (%)565936444323142035363742465151515151513138455250
Precipitation Potential (%)78111197799999927272727272766666
Relative Humidity (%)949794949797948882746862585654565860646875777979
Rain--------------------------ChcChcChcChcChcChc----------
Thunder--------------------------SChcSChcSChcChcChcChc----------

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