Point Forecast: Tysons Corner VA
 38.91N 77.22W (Elev. 449 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)787877767675757474777982848587878786858281808080
Dewpoint (°F)757574747474737373757676767676767676767575757575
Heat Index (°F)78787776767575777989939498989896948987858585
Surface Wind (mph)222223335666789101010998777
Wind DirSSSSSSSSSSSSSSSSSSWSSSWSSS
Gust
Sky Cover (%)384041574345524052625654747063587577817876826766
Precipitation Potential (%)7756566665815152228294056666763202020
Relative Humidity (%)919190949497949797949182777570707072757982858585
Rain----------------------SChcSChcSChcChcChcChcLklyLklyLklyLklySChcSChcSChc
Thunder------------------------SChcSChcSChcChcChcLklyLklyLklyLklySChcSChcSChc

Date07/17
Hour (EDT)230001020304050607080910111213141516171819202122
Temperature (°F)797878777676767677798184878991929291908987868583
Dewpoint (°F)757474737373737474757575757474747474747474757576
Heat Index (°F)7978787776767676777987929698101102102101999895959491
Surface Wind (mph)778888888889999999988776
Wind DirSSSWSWSWSWSWSWSWSWSWSWSWSWSWSWSWSWSWSWSWSWSWSW
Gust
Sky Cover (%)656668696561575146403735324049575757575757413733
Precipitation Potential (%)202020444444888888353535353535101010
Relative Humidity (%)888888879090909490888274686158565658606165707280
RainSChcSChcSChc------------------------ChcChcChcChcChcChc------
ThunderSChcSChcSChc------------------------ChcChcChcChcChcChc------

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