Point Forecast: Mount Vernon VA
 38.72N 77.11W (Elev. 11 m)
Last Update: 7:31 am EDT Jul 15, 2025
Tabular Forecast
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Weather ElementsFire WeatherAviation Weather
Temperature (°C)
Dewpoint (°C)
Heat Index (°C)

Surface Wind  
Sky Cover (%)
Precipitation Potential (%)
Relative Humidity (%)

Rain
Thunder
Fog
Mixing Height  
Trans. Wind  
Vent Rate (x1000 mph-m)
Atmospheric Dispersion Index
Low Visibility Occurrence Risk Index
Ceiling Height
Visibility

48-Hour Period Starting:       Back 2 Days  

Date07/1507/16
Hour (EDT)080910111213141516171819202122230001020304050607
Temperature (°C)242627282829303031302928282726262525252424242424
Dewpoint (°C)242424242425252425242525252424242424242423232323
Heat Index (°C)242630323336363637363633323026262525252424242424
Surface Wind (mph)222223555655332222222335
Wind DirNWNWNNWSWSWSSSSSSSSSSSWSSSSSSS
Gust
Sky Cover (%)585547503848656969676259453946464954404341504660
Precipitation Potential (%)86810172448535351433815171921766611151110
Relative Humidity (%)979188828077757272727782858888919797949794979797
Rain--------SChcSChcChcChcChcChcChcChcSChcSChcSChcSChc----------SChc----
Thunder--------SChcSChcChcChcChcChcChcChcSChcSChcSChcSChc----------------

Date07/17
Hour (EDT)080910111213141516171819202122230001020304050607
Temperature (°C)262728292931313131302929282827272626262525252526
Dewpoint (°C)242526262626262625252525252424242423232323232424
Heat Index (°C)263133353638383837363634333231292626262525252526
Surface Wind (mph)666788999987666666667778
Wind DirSSWSWSWSWSWSWSWSSSSSSSSSSWSWSWSWSWSWSW
Gust
Sky Cover (%)516663606571767676767676757269666565645953484441
Precipitation Potential (%)272727272727636363636363191919191919777777
Relative Humidity (%)919188828075757572757780828285858885889090909491
RainChcChcChcChcChcChcLklyLklyLklyLklyLklyLklySChcSChcSChcSChcSChcSChc------------
Thunder------ChcChcChcLklyLklyLklyLklyLklyLklySChcSChcSChcSChcSChcSChc------------

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