Point Forecast: Chevy Chase MD
 38.98N 77.09W (Elev. 344 ft)
Last Update: 1:30 pm EDT Jul 13, 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)020304050607080910111213141516171819202122230001
Temperature (°F)757574747374757779828486868685848483807877767575
Dewpoint (°F)737373737373747575757676767676767575747474747474
Heat Index (°F)7575757779899396969694939290847877767575
Surface Wind (mph)222222222355655553322222
Wind DirSSSSSESESSSSSSSSSESSESSSSSSS
Gust
Sky Cover (%)707060757378716659695662737671778185827176808080
Precipitation Potential (%)302126262420161415173443596357657177575757575757
Relative Humidity (%)9494979710097979488797772727275777477828890949797
RainChcSChcChcChcSChcSChcSChc--SChcSChcChcChcLklyLklyLklyLklyLklyOcnlLklyLklyLklyLklyLklyLkly
ThunderSChcSChcSChc------------SChcChcChcLklyLklyLklyLklyLklyLklyChcChcChcChcChcChc

Date07/16
Hour (EDT)020304050607080910111213141516171819202122230001
Temperature (°F)757574747475767779818385868686858483828179787776
Dewpoint (°F)747372727273747475757575757575757574747475757574
Heat Index (°F)757575767779879094959595949290888679787776
Surface Wind (mph)222222223335555553332222
Wind DirSSSWSWSSSESESESESESSSSSSSSSSSSS
Gust
Sky Cover (%)808080807875737272717476797979797979535252515560
Precipitation Potential (%)303030303030333333333333686868686868222222222222
Relative Humidity (%)979493939394949088827772707070727474777988919494
RainChcChcChcChcChcChcChcChcChcChcChcChcLklyLklyLklyLklyLklyLklySChcSChcSChcSChcSChcSChc
ThunderSChcSChcSChcSChcSChcSChc------SChcSChcSChcChcChcChcChcChcChcSChcSChcSChc------

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