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)020304050607080910111213141516171819202122230001
Temperature (°C)242323232323242627283031323131292828272625252524
Dewpoint (°C)232323232323242424252525252524252424242424242423
Heat Index (°C)24242631333637393837363332312625252524
Surface Wind (mph)333333356678899988876666
Wind DirSSSSSSSSSSSSSSSWSWSSSSWSSWSWSW
Gust
Sky Cover (%)686963646062625059675862555572827677746467676056
Precipitation Potential (%)5455552537121623324340376034231415137
Relative Humidity (%)9710010010097100978885827572687070778082859194949494
Rain----------------------SChcSChcChcChcChcChcLklyChcSChc--SChc----
Thunder----------------------SChcSChcChcChcChcChcLklyChcSChc--SChc----

Date07/18
Hour (EDT)020304050607080910111213141516171819202122230001
Temperature (°C)242424242424262729313233343433333232312929282727
Dewpoint (°C)242323232323232424242424242323232324242424242323
Heat Index (°C)242424242424263133363839413939383737363434323029
Surface Wind (mph)677777777889999988766553
Wind DirSSSWSWSWSWSWSWSWSWSWWWWSWSWSWSWSWSWWWWW
Gust
Sky Cover (%)593644432314203536374246515151515151313845525049
Precipitation Potential (%)81111977999999272727272727666666
Relative Humidity (%)979494979794888274686258565456586064687577797982
Rain------------------------ChcChcChcChcChcChc------------
Thunder------------------------SChcSChcSChcChcChcChc------------

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