Point Forecast: Chevy Chase MD
 38.98N 77.09W (Elev. 344 ft)
Last Update: 4:30 pm EDT Jul 14, 2025
Tabular Forecast
[hide menu]Get as XML
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)181920212223000102030405060708091011121314151617
Temperature (°F)828176777675757574747473727375777981838485858584
Dewpoint (°F)757574747474747373737272727373737373747475757474
Heat Index (°F)898776777675757575777986909194949391
Surface Wind (mph)533222222122222222335333
Wind DirSESENWNENWESNWNWNNNNNNENNENESEESESES
Gust
Sky Cover (%)949283828482715275626558556955546861505161666473
Precipitation Potential (%)908164595139292224171312101113121312162542494660
Relative Humidity (%)79829490949797949797939710010094878277747272727072
RainOcnlOcnlLklyLklyChcChcChcSChcSChcSChc----------------SChcChcChcChcChcLkly
ThunderOcnlOcnlChcChcChcChcChcSChc--------------------SChcSChcChcChcChcChc

Date07/16
Hour (EDT)181920212223000102030405060708091011121314151617
Temperature (°F)838281807978777776757575757677798284868788888887
Dewpoint (°F)747575757575757474747373747475757575757575757575
Heat Index (°F)908987857978777776757575757677798992959698989896
Surface Wind (mph)333222222222335566778888
Wind DirSSSSSSSSSSSSSSSSSSSSWSWSWSS
Gust
Sky Cover (%)696956464748505254586165666768625751606978787878
Precipitation Potential (%)545422222222222218181818181822222222222267676767
Relative Humidity (%)747982858891949094979494979494887974706866666668
RainChcChcSChcSChcSChcSChcSChcSChcSChcSChcSChcSChcSChcSChcSChcSChcSChcSChcSChcSChcLklyLklyLklyLkly
ThunderChcChcSChcSChcSChc------------------------SChcSChcSChcChcChcChcChc

Additional Forecasts and Information
International System of UnitsForecast Discussion
7-Day ForecastHourly Weather Graph
Hazardous Weather Briefing Page
Past Weather InformationInteractive Forecast Map
Home