Point Forecast: Mount Vernon VA
 38.72N 77.11W (Elev. 36 ft)
Last Update: 7:29 am 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)070809101112131415161718192021222300010203040506
Temperature (°F)777980818384868686868583818078777675757574747373
Dewpoint (°F)747575757677767676767777767675747473737473737373
Heat Index (°F)7779858791949696969696928786787776757575
Surface Wind (mph)222233566655322222111111
Wind DirSESSSSSSSSESESESSSWNESESWSESSWWWN
Gust
Sky Cover (%)515151505053597082888482888280879068737478747965
Precipitation Potential (%)161611132029395573817673825360553330263530302925
Relative Humidity (%)90888582808072727272778285889190949494979797100100
RainSChcSChc----SChcChcChcLklyLklyOcnlOcnlLklyOcnlChcLklyLklyChcChcChcChcChcChcChcChc
Thunder--SChc----SChcChcChcLklyLklyLklyLklyLklyLklyChcChcChcSChcSChcSChcSChcSChcSChc----

Date07/16
Hour (EDT)070809101112131415161718192021222300010203040506
Temperature (°F)737577798182838484848483828180797877777675757576
Dewpoint (°F)737475747575767675757575757575757575757574747474
Heat Index (°F)7577798789919392929290898785797877777675757576
Surface Wind (mph)122222333555333222222222
Wind DirNNNEEEESSSSSSSSSSSSSSSSSS
Gust
Sky Cover (%)596173737274767878787878786562585553514955606667
Precipitation Potential (%)223030303030306767676767672323232323231515151515
Relative Humidity (%)1009794858279807774747477798285889194949797979794
RainSChcChcChcChcChcChcChcLklyLklyLklyLklyLklyLklySChcSChcSChcSChcSChcSChcSChcSChcSChcSChcSChc
Thunder--------SChcSChcSChcChcChcChcChcChcChcSChcSChcSChc------------SChcSChc

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