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: Reston VA
 38.95N 77.36W (Elev. 446 ft)
Last Update: 12:26 am EDT Oct 19, 2021
Tabular Forecast
[hide menu]Get as XML
Weather ElementsWeather/PrecipitationFire Weather
Temperature (°F)
Dewpoint (°F)
Wind Chill (°F)

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

48-Hour Period Starting:       Back 2 Days  

Date10/1910/20
Hour (EDT)010203040506070809101112131415161718192021222300
Temperature (°F)484847464544434448545963656769706967636058575555
Dewpoint (°F)383838383737373841424444454543444545454544444545
Wind Chill (°F)454545444341404145
Surface Wind (mph)665555556891091010987556555
Wind DirWWNWNWNWNWWWWWWWWWWWWWWWWWWW
Gust
Sky Cover (%)35432112335579756561444926
Precipitation Potential (%)000000000000000000000000
Relative Humidity (%)686871737376797977645750484539394245525859626969
Rain------------------------------------------------
Thunder------------------------------------------------
Snow------------------------------------------------
Freezing Rain------------------------------------------------
Sleet------------------------------------------------

Date10/21
Hour (EDT)010203040506070809101112131415161718192021222300
Temperature (°F)545453535252515155606669707172727168656260595857
Dewpoint (°F)454444444443444445474949494949494949494949494948
Wind Chill (°F)
Surface Wind (mph)666666666788887765533333
Wind DirWWWWWWWWWWWWWWWWWSWSWSWSWSWSWSW
Gust
Sky Cover (%)2334433928197333344554556789913
Precipitation Potential (%)000000000000000000022222
Relative Humidity (%)716971717471777769625449474644444651566267697272
Rain------------------------------------------------
Thunder------------------------------------------------
Snow------------------------------------------------
Freezing Rain------------------------------------------------
Sleet------------------------------------------------

Additional Forecasts and Information
International System of 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