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: Grottoes VA
 38.26N 78.81W (Elev. 1198 ft)
Last Update: 4:51 pm EDT May 20, 2022
Tabular Forecast
[hide menu]Get as XML
Weather ElementsWeather/PrecipitationFire Weather
Temperature (°F)
Dewpoint (°F)
Heat Index (°F)

Surface Wind  
Sky Cover (%)
Precipitation Potential (%)
Relative Humidity (%)
Rain
Thunder
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  

Date05/2005/21
Hour (EDT)192021222300010203040506070809101112131415161718
Temperature (°F)898683818077767573727068707478838790919293939189
Dewpoint (°F)626261616060595959585859606163646464636161616161
Heat Index (°F)898683828177767578848891929293939189
Surface Wind (mph)633555555532223333556666
Wind DirSWSSSSSWSWSWSWSWSWSSSWSWWWWSWSWSWSWSWS
Gust
Sky Cover (%)376859381986610171014162331202327234748584843
Precipitation Potential (%)00000000000003333331616162323
Relative Humidity (%)414547515156565862616673716460534642403635353739
Rain--------------------------------------SChcSChcSChcSChcSChc
Thunder--------------------------------------SChcSChcSChcSChcSChc

Date05/22
Hour (EDT)192021222300010203040506070809101112131415161718
Temperature (°F)878582797674737271706967687074798487898988878584
Dewpoint (°F)626263636464646464636363646566666665656464656565
Heat Index (°F)8786837976798689919089898786
Surface Wind (mph)533333222222223566666665
Wind DirSSSSWSWSWSWSWSWSWSWSWSWSWSWSWSWSWSWSWSWSWSWW
Gust
Sky Cover (%)413842515550403534313029262524232225323541525859
Precipitation Potential (%)231818181414142222222626262626266666666666
Relative Humidity (%)434653586671737679788187878476645548454445485153
RainSChcSChcSChcSChc------------------ChcChcChcChcChcChcLklyLklyLklyLklyLkly
ThunderSChcSChcSChcSChc------------------------SChcSChcSChcChcChcChcChcChc

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