Point Forecast: Chevy Chase MD
 38.98N 77.09W (Elev. 105 m)
Last Update: 1:30 pm EDT Jul 13, 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  

Date07/1307/14
Hour (EDT)171819202122230001020304050607080910111213141516
Temperature (°C)313030292726252524242423232323242526282930303029
Dewpoint (°C)242424232323232323232323232323232424242424242424
Heat Index (°C)3735353329262525242424242526323436363634
Surface Wind (mph)666653322222222222355655
Wind DirSESESSSESSSSSSSSSESESSSSSSSSSE
Gust
Sky Cover (%)685968515559626063707060757378716659695662737671
Precipitation Potential (%)523833273238433944302126262420161415173443596357
Relative Humidity (%)6670707282858787949494979710097979488797772727275
RainChcChcChcChcChcChcChcChcChcChcSChcChcChcSChcSChcSChc--SChcSChcChcChcLklyLklyLkly
ThunderChcChcChcChcChcChcChcChcChcSChcSChcSChc------------SChcChcChcLklyLklyLkly

Date07/15
Hour (EDT)171819202122230001020304050607080910111213141516
Temperature (°C)292928272625242424242423232324242526272829303030
Dewpoint (°C)242424232323232323232322222223232324242424242424
Heat Index (°C)343332292625242424242424242526313234353535
Surface Wind (mph)553322222222222223335555
Wind DirSSESSSSSSSSSSWSWSSSESESESESESSSS
Gust
Sky Cover (%)778185827176808080808080807875737272717476797979
Precipitation Potential (%)657177575757575757303030303030333333333333686868
Relative Humidity (%)777477828890949797979493939394949088827772707070
RainLklyLklyOcnlLklyLklyLklyLklyLklyLklyChcChcChcChcChcChcChcChcChcChcChcChcLklyLklyLkly
ThunderLklyLklyLklyChcChcChcChcChcChcSChcSChcSChcSChcSChcSChc------SChcSChcSChcChcChcChc

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