Point Forecast: Chevy Chase MD
 38.98N 77.09W (Elev. 105 m)
Last Update: 7:30 pm EDT Jul 14, 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  

Date07/1407/15
Hour (EDT)212223000102030405060708091011121314151617181920
Temperature (°C)252424242423232323222324252627282929292929282827
Dewpoint (°C)232323232323232222222323232323232324242323232424
Heat Index (°C)252424242424252630323334343433323231
Surface Wind (mph)222222122222222335333333
Wind DirNENWESNWNWNNNNNNENNENESEESESESSSS
Gust
Sky Cover (%)828482715275626558556955546861505161666473696956
Precipitation Potential (%)595139292224171312101113121312162542494660545422
Relative Humidity (%)90949797949797939710010094878277747272727072747982
RainLklyChcChcChcSChcSChcSChc----------------SChcChcChcChcChcLklyChcChcSChc
ThunderChcChcChcChcSChc--------------------SChcSChcChcChcChcChcChcChcSChc

Date07/16
Hour (EDT)212223000102030405060708091011121314151617181920
Temperature (°C)272626252524242424242425262829303131313131292928
Dewpoint (°C)242424242323232323232324242424242424242424242424
Heat Index (°C)292626252524242424242425263233353637373736343332
Surface Wind (mph)222222222335566778888776
Wind DirSSSSSSSSSSSSSSSSSWSWSWSSSSS
Gust
Sky Cover (%)464748505254586165666768625751606978787878787874
Precipitation Potential (%)222222222218181818181822222222222267676767676724
Relative Humidity (%)858891949094979494979494887974706866666668727479
RainSChcSChcSChcSChcSChcSChcSChcSChcSChcSChcSChcSChcSChcSChcSChcSChcSChcLklyLklyLklyLklyLklyLklySChc
ThunderSChcSChc------------------------SChcSChcSChcChcChcChcChcChcChcSChc

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