Point Forecast: Ashburn VA
 39.05N 77.49W (Elev. 91 m)
Last Update: 7:30 pm EDT Jul 14, 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)212223000102030405060708091011121314151617181920
Temperature (°C)242423232323232323222324252727292930313029292827
Dewpoint (°C)232323232323232222222223232324242424242323232424
Heat Index (°C)242424252931333435363434333231
Surface Wind (mph)222211112222222233355333
Wind DirNWWSESESWSWWNWNNENNWNNNNEEEESESSSS
Gust
Sky Cover (%)757768676155586980776964616456474555556075687154
Precipitation Potential (%)51522919191610898612131214151930334062524821
Relative Humidity (%)9497100100979710097971009794908282747270686870727782
RainChcChcChcSChcSChcSChc------------------SChcSChcChcChcChcLklyChcChcSChc
ThunderChcChcChcSChcSChc--------------------SChcSChcChcChcChcChcChcChcSChc

Date07/16
Hour (EDT)212223000102030405060708091011121314151617181920
Temperature (°C)262524242424242323232424262729303131313130292827
Dewpoint (°C)242323232323232323232323242424242424242424242424
Heat Index (°C)262524242424242424263134363737373635333231
Surface Wind (mph)222222222335566778888776
Wind DirSESSSSSSSSSSSSSSSSSSSSSSS
Gust
Sky Cover (%)494949484746587082787571655852617079797979797974
Precipitation Potential (%)212121212113131313131318181818181868686868686824
Relative Humidity (%)889094979797979797979494918277727068686870747782
RainSChcSChcSChcSChcSChc------------SChcSChcSChcSChcSChcSChcLklyLklyLklyLklyLklyLklySChc
ThunderSChcSChc------------------------SChcSChcSChcChcChcChcChcChcChcSChc

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