Point Forecast: 2 Miles S Washington-Dulles International Airport VA
 38.93N 77.45W (Elev. 299 ft)
Last Update: 7:31 am EDT Jul 15, 2025
Tabular Forecast
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Date07/1507/16
Hour (EDT)070809101112131415161718192021222300010203040506
Temperature (°F)737577808284868788888685848279787776767575747473
Dewpoint (°F)737475767676767676767676767676767575757575747473
Heat Index (°F)7577868993969899999694938979787776767575
Surface Wind (mph)222222233355553332222335
Wind DirNNNNNNWNWSESSSSESSSSSSSSSSSS
Gust
Sky Cover (%)635354454831285157686960614846444949535433344764
Precipitation Potential (%)852448152636525440411716181544335610
Relative Humidity (%)100979488827772706868727577829194949797100100100100100
Rain------------SChcChcChcChcChcChcChcSChcSChcSChcSChc--------------
Thunder------------SChcChcChcChcChcChcChcSChcSChcSChc----------------

Date07/17
Hour (EDT)070809101112131415161718192021222300010203040506
Temperature (°F)747679828486878888878685838179787777777776757575
Dewpoint (°F)747577787878787878777777777776767575757575747474
Heat Index (°F)7679919598100102102999796928879787777777776757575
Surface Wind (mph)566789991010109876666666666
Wind DirSSSWSWSSSSSSSSSSSSSSSSSSWSWSW
Gust
Sky Cover (%)575174696369748080808080807472696767686861554845
Precipitation Potential (%)926262626262670707070707023232323232366666
Relative Humidity (%)1009794888277757272727577828891949494949497979797
Rain--ChcChcChcChcChcChcLklyLklyLklyLklyLklyLklySChcSChcSChcSChcSChcSChc----------
Thunder--------ChcChcChcLklyLklyLklyLklyLklyLklySChcSChcSChcSChcSChcSChc----------

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