Point Forecast: Lorton VA
 38.71N 77.26W (Elev. 249 ft)
Last Update: 7:30 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)202122230001020304050607080910111213141516171819
Temperature (°F)787776757575747374737373757779818284858585848381
Dewpoint (°F)757574747473737372727273747475757576767675757575
Heat Index (°F)787776757575757779878993949494929087
Surface Wind (mph)322222222222222233555553
Wind DirSSWNNESESSWNWWWNWNNENNWNSESESESESSSS
Gust
Sky Cover (%)828177806773616768665858646463636250576871766871
Precipitation Potential (%)546063482621222015131211171516161825365257635155
Relative Humidity (%)91949497979497100939797100979088827977757572747782
RainChcLklyLklyChcChcSChcSChcSChcSChc------SChcSChcSChcSChcSChcChcChcChcLklyLklyChcLkly
ThunderChcChcChcChcChcSChc------------------SChcSChcSChcChcChcChcChcChcChc

Date07/16
Hour (EDT)202122230001020304050607080910111213141516171819
Temperature (°F)817978777676767675757576777981838587888887868583
Dewpoint (°F)757574747474747473737374757576767677777776767675
Heat Index (°F)87797877767676767575757677798791949910010098969490
Surface Wind (mph)333222223355667788999987
Wind DirSSSSSSSSSSSSSSSSSSWSWSWSSSS
Gust
Sky Cover (%)695049475154585961626365665953465667777777777777
Precipitation Potential (%)212121212121151515151515181818181818656565656565
Relative Humidity (%)828888909494949494949494948885807572707070727577
RainSChcSChcSChcSChcSChcSChcSChcSChcSChcSChcSChcSChcSChcSChcSChcSChcSChcSChcLklyLklyLklyLklyLklyLkly
ThunderSChcSChcSChc------------------------SChcSChcSChcChcChcChcChcChcChc

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