Point Forecast: 2 Miles NNW Washington DC
 38.91N 77.05W (Elev. 89 ft)
Last Update: 10:30 am EDT Jul 12, 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  

Date07/1207/13
Hour (EDT)230001020304050607080910111213141516171819202122
Temperature (°F)797877777675757475777879818384858686858482807979
Dewpoint (°F)737474747474747373757575757576767675757575757574
Heat Index (°F)7978777776757575777879879093949695949289857979
Surface Wind (mph)332222222333556666665533
Wind DirSESESSESESEEESESESESESESESESESESESESESSSS
Gust
Sky Cover (%)333629584761656259657372717476797979797979737475
Precipitation Potential (%)561511911111112323232323232686868686868595959
Relative Humidity (%)828890909497979794949188827777757270727479858885
Rain----SChc------------ChcChcChcChcChcChcLklyLklyLklyLklyLklyLklyLklyLklyLkly
Thunder----SChc------------------SChcSChcSChcChcChcChcChcChcChcChcChcChc
Snow------------------------------------------------
Freezing Rain------------------------------------------------
Sleet------------------------------------------------
Fog------------------------------------------------
Mixing Height (x100ft)77789991010121621272421202226272214866
Haines Index
Lightning Activity Level
Transport Wind (mph)1212999887978888777789101098
Transport Wind DirSSESESESESESESESESESESESESESESESESESESESSSSE
Ventilation Rate (x1000 mph-ft)98678777991317211915141618212014854

Date07/14
Hour (EDT)230001020304050607080910111213141516171819202122
Temperature (°F)787777767574747475767880828485868686858584838180
Dewpoint (°F)747474747474747475757576767676767675757575757575
Heat Index (°F)787777767575767886899394969695949492908785
Surface Wind (mph)222222222222233553332222
Wind DirSESSSSSSSSSSWWWWWWWSSESESESESES
Gust
Sky Cover (%)767676767573727375767573727476787878787878575044
Precipitation Potential (%)595959353535353535444444444444666666666666191919
Relative Humidity (%)8890909497100100100100979188827775727270727274778285
RainLklyLklyLklyChcChcChcChcChcChcChcChcChcChcChcChcLklyLklyLklyLklyLklyLklySChcSChcSChc
ThunderSChcSChcSChcSChcSChcSChcSChcSChcSChc------ChcChcChcChcChcChcChcChcChcSChcSChcSChc
Snow------------------------------------------------
Freezing Rain------------------------------------------------
Sleet------------------------------------------------
Fog------------------------------------------------
Mixing Height (x100ft)666665556812172123242426272621135
Haines Index
Lightning Activity Level
Transport Wind (mph)7777766655566677777788
Transport Wind DirSESESSSSSSSSSSWSWSWWWWSWSWSWSS
Ventilation Rate (x1000 mph-ft)44444333346101314171718191815114

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