Point Forecast: Lorton VA
 38.71N 77.23W (Elev. 125 ft)
Last Update: 7:30 pm EDT Jul 14, 2025
Tabular Forecast
[hide menu]Get as XML
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)230001020304050607080910111213141516171819202122
Temperature (°F)767575757474737374757880818384858685848382817978
Dewpoint (°F)747473737373737374747475757576767676767675757574
Heat Index (°F)76757575757885879093949694939189877978
Surface Wind (mph)222222222222233555653333
Wind DirNESSSWNWNWWNWNNENNWNSESESESESESSSSSS
Gust
Sky Cover (%)806875607069665556616361635650586971756771655148
Precipitation Potential (%)492722222015131212171516151825375356625156212121
Relative Humidity (%)949794949797100100100978885827777757275778079828888
RainChcChcSChcSChcSChcSChc------SChcSChcSChcSChcSChcChcChcChcLklyLklyChcLklySChcSChcSChc
ThunderChcChcSChc------------------SChcSChcSChcChcChcChcChcChcChcSChcSChcSChc

Date07/16
Hour (EDT)230001020304050607080910111213141516171819202122
Temperature (°F)787877777675757576777981838587888888878684838281
Dewpoint (°F)747474747473737374757576767677777776767676767675
Heat Index (°F)78787777767575757677798791949910010099989693918987
Surface Wind (mph)222223355667788999987666
Wind DirSSSSSSSSSSSSSSSWSWSWSSSSSSS
Gust
Sky Cover (%)454954585961626466686154475766767676767676747270
Precipitation Potential (%)212121151515151515181818181818646464646464181818
Relative Humidity (%)888890909494949494948885807572707068707277808282
RainSChcSChcSChcSChcSChcSChcSChcSChcSChcSChcSChcSChcSChcSChcSChcLklyLklyLklyLklyLklyLklySChcSChcSChc
Thunder------------------------SChcSChcSChcChcChcChcChcChcChcSChcSChcSChc

Additional Forecasts and Information
International System of UnitsForecast Discussion
7-Day ForecastHourly Weather Graph
Hazardous Weather Briefing Page
Past Weather InformationInteractive Forecast Map
Home