Skip Navigation Linksweather.gov 
NOAA logo - Click to go to the NOAA homepageNational Weather Service Forecast Office NWS logo - Click to go to the NWS homepage
Baltimore, MD/Washington, D.C.
 
 
 Point Forecast: 2 Miles S Washington-Dulles International Airport VA
 38.93N 77.45W (Elev. 91 m)
Last Update: 1:31 am EDT Sep 21, 2021
Tabular Forecast
[hide menu]Get as XML
Weather ElementsWeather/PrecipitationFire Weather
Temperature (°C)
Dewpoint (°C)
Heat Index (°C)

Surface Wind  
Sky Cover (%)
Precipitation Potential (%)
Relative Humidity (%)
Rain
Thunder
Fog
Mixing Height  
Haines Index
Lightning Activity Level
Trans. Wind  
Vent Rate (x1000 mph-m)
Atmospheric Dispersion Index
Low Visibility Occurrence Risk Index

48-Hour Period Starting:       Back 2 Days  

Date09/2109/22
Hour (EDT)010203040506070809101112131415161718192021222300
Temperature (°C)171717161616171819212324242626262524232322222122
Dewpoint (°C)151515151616161717181818191919191919191920202021
Heat Index (°C)24242626262524
Surface Wind (mph)553333336888999999888888
Wind DirSEEEEEEEEEESESESESESESESESESESESESESESE
Gust
Sky Cover (%)613855647677807981777668707372727271848789919396
Precipitation Potential (%)02224445559991212121616162020203333
Relative Humidity (%)879090939797979390877671746969676971768190909393
Rain--------------------------------SChcSChcSChcSChcSChcSChcChcChc
Thunder------------------------------------------------

Date09/23
Hour (EDT)010203040506070809101112131415161718192021222300
Temperature (°C)212121212121212122232324242424242423232222222121
Dewpoint (°C)212121212121212122222222222222222222222222212121
Heat Index (°C)242424242424
Surface Wind (mph)777777889111313131314141413111010101010
Wind DirSESESESESESESESESESSSSSSSSSSSSSSS
Gust
Sky Cover (%)98100100100100100100100100100100100100100100100100100100100100100100100
Precipitation Potential (%)334646465454546262626767677272727272728080808080
Relative Humidity (%)10097100100100100100100100939390878787879093939710097100100
RainChcChcChcChcChcChcChcLklyLklyLklyLklyLklyLklyLklyLklyLklyLklyLklyLklyOcnlOcnlOcnlOcnlOcnl
Thunder--------------------SChcSChcSChc----------------------

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

Webmaster
NOAA's National Weather Service
Baltimore, MD/Washington, D.C.
Disclaimer
Credits
Glossary
Privacy Policy
About Us
Career Opportunities