Point Forecast: Lorton VA
 38.71N 77.26W (Elev. 249 ft)
Last Update: 1:31 pm EDT Jul 15, 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  

Date07/1507/16
Hour (EDT)230001020304050607080910111213141516171819202122
Temperature (°F)777776767675757474777982838586878887868381807979
Dewpoint (°F)767674747474737373757677777878777777777676757575
Heat Index (°F)777776767675757779909297989910099979187857979
Surface Wind (mph)2222223356667891010101098766
Wind DirSSSSSSSSSSSSSSSSSSSSSWSSS
Gust
Sky Cover (%)444549584758414856535455676967617078727879756567
Precipitation Potential (%)106466879661018182728303659586768171717
Relative Humidity (%)979794949497949797949185828077727072758085858888
Rain----------------------SChcSChcChcChcChcChcLklyLklyLklyLklySChcSChcSChc
Thunder------------------------SChcSChcSChcChcChcLklyLklyLklyLklySChcSChcSChc

Date07/17
Hour (EDT)230001020304050607080910111213141516171819202122
Temperature (°F)797978787877777778798184878991929292919088868483
Dewpoint (°F)757574747473737374757576767676767675757575767676
Heat Index (°F)7979787878777777787987939810010310510510310210198969391
Surface Wind (mph)66777888999999101010101098776
Wind DirSSSWSWSWSWSWSWSWSWSWSWSWSWSWSWSWSWSWSWSWSWSWSW
Gust
Sky Cover (%)696970706561565043373738384449555555555555444037
Precipitation Potential (%)171717444444777777333333333333999
Relative Humidity (%)888888888887878788888277706662606058606266727780
RainSChcSChcSChc------------------------ChcChcChcChcChcChc------
ThunderSChcSChcSChc------------------------ChcChcChcChcChcChc------

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