Point Forecast: Chevy Chase MD
 38.98N 77.09W (Elev. 344 ft)
Last Update: 1:30 pm EDT Jul 13, 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  

Date07/1307/14
Hour (EDT)161718192021222300010203040506070809101112131415
Temperature (°F)888886868480797777767575747473747577798284868686
Dewpoint (°F)757575757474747373747373737373737475757576767676
Heat Index (°F)9898959591847977777675757577798993969696
Surface Wind (mph)666665332222222222235565
Wind DirSESESESSSESSSSSSSSSESESSSSSSSS
Gust
Sky Cover (%)786859685155596260637070607573787166596956627376
Precipitation Potential (%)675238332732384339443021262624201614151734435963
Relative Humidity (%)6666707072828587879494949797100979794887977727272
RainLklyChcChcChcChcChcChcChcChcChcChcSChcChcChcSChcSChcSChc--SChcSChcChcChcLklyLkly
ThunderChcChcChcChcChcChcChcChcChcChcSChcSChcSChc------------SChcChcChcLklyLkly

Date07/15
Hour (EDT)161718192021222300010203040506070809101112131415
Temperature (°F)858484838078777675757575747474757677798183858686
Dewpoint (°F)767675757474747474747473727272737474757575757575
Heat Index (°F)949392908478777675757575757677798790949595
Surface Wind (mph)555332222222222222333555
Wind DirSESSESSSSSSSSSSWSWSSSESESESESESSS
Gust
Sky Cover (%)717781858271768080808080808078757372727174767979
Precipitation Potential (%)576571775757575757573030303030303333333333336868
Relative Humidity (%)757774778288909497979794939393949490888277727070
RainLklyLklyLklyOcnlLklyLklyLklyLklyLklyLklyChcChcChcChcChcChcChcChcChcChcChcChcLklyLkly
ThunderLklyLklyLklyLklyChcChcChcChcChcChcSChcSChcSChcSChcSChcSChc------SChcSChcSChcChcChc

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