Point Forecast: 3 Miles SE Mount Vernon VA
 38.69N 77.06W (Elev. 144 ft)
Last Update: 4:30 pm EDT Jul 14, 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)181920212223000102030405060708091011121314151617
Temperature (°F)878380797776767675757574747476788081838485858685
Dewpoint (°F)777676757474747474747373737474747575757676767676
Heat Index (°F)999186797776767675757576788587909394949694
Surface Wind (mph)332222222111112122223333
Wind DirSSSWNWSESESWNSWSWNWNESWWNWSENESESESES
Gust
Sky Cover (%)908679817687707467698080676357686067556465727071
Precipitation Potential (%)857759596359372427241614141418141414192947585557
Relative Humidity (%)7280888890949494979794979710094888582777775757275
RainOcnlOcnlLklyLklyLklyLklyChcSChcChcSChcSChc------SChc------SChcChcChcLklyLklyLkly
ThunderOcnlOcnlChcChcChcChcChcSChcSChcSChcSChc--------------SChcSChcChcChcChcChc

Date07/16
Hour (EDT)181920212223000102030405060708091011121314151617
Temperature (°F)858382818079787877767575757778808183858687888888
Dewpoint (°F)767575757575757474747474747575757676767777777777
Heat Index (°F)949089878579787877767575757778858791949799100100100
Surface Wind (mph)333222222222335566677777
Wind DirSSSSSSSSSSSSSSSSSSSSWSWSWSS
Gust
Sky Cover (%)677361424140434548535964656768605244556576767676
Precipitation Potential (%)506021212121212118181818181821212121212164646464
Relative Humidity (%)757779828588918890949797979491858580757572707070
RainChcLklySChcSChcSChcSChcSChcSChcSChcSChcSChcSChcSChcSChcSChcSChcSChcSChcSChcSChcLklyLklyLklyLkly
ThunderChcChcSChcSChcSChc------------------------SChcSChcSChcChcChcChcChc

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