Point Forecast: Fairfax VA
 38.85N 77.29W (Elev. 400 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)757675757474747373737273757779818284858584838281
Dewpoint (°F)757574747473737372727273737374747475757575757575
Heat Index (°F)75767575757779868892949492908987
Surface Wind (mph)322222222222222233553333
Wind DirSENNENEESWNWNWWNNNEENWNNESESESESSS
Gust
Sky Cover (%)877575807762656170556769765854675662566469766869
Precipitation Potential (%)576059402321201613121110151514141623344653645253
Relative Humidity (%)10097979710097971009797100100948785797774727274777982
RainLklyLklyLklyChcSChcSChcSChcSChc--------SChcSChc----SChcSChcChcChcChcLklyChcChc
ThunderChcChcChcChcSChcSChc--------------------SChcSChcChcChcChcChcChcChc

Date07/16
Hour (EDT)202122230001020304050607080910111213141516171819
Temperature (°F)807978777776767574747475767881838586878787868483
Dewpoint (°F)757574747474747473737373747575767676767676767675
Heat Index (°F)857978777776767575767887919496989898969390
Surface Wind (mph)333222223355666677888877
Wind DirSSSSSSSSSSSSSSSSSSWSWSWSSSS
Gust
Sky Cover (%)715553505255575960626466686459556371797979797979
Precipitation Potential (%)212121212121151515151515191919191919686868686868
Relative Humidity (%)858888909094949797979794949182807572707070727777
RainSChcSChcSChcSChcSChcSChcSChcSChcSChcSChcSChcSChcSChcSChcSChcSChcSChcSChcLklyLklyLklyLklyLklyLkly
ThunderSChcSChcSChc------------------------SChcSChcSChcChcChcChcChcChcChc

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