Point Forecast: Dumfries VA
 38.56N 77.34W (Elev. 98 ft)
Last Update: 1:31 pm EDT Jul 15, 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  

Date07/1507/16
Hour (EDT)192021222300010203040506070809101112131415161718
Temperature (°F)848379787777767575757474747679828487888888888684
Dewpoint (°F)767676767675747474747373737576777778797979787877
Heat Index (°F)93917978777776757575767990941001031031031029894
Surface Wind (mph)322222222222355667899998
Wind DirSSESSSSSSSSSSSSSSSSSSSSSS
Gust
Sky Cover (%)595346373937435442515846535647535968535865757376
Precipitation Potential (%)221212139446688106710182129293438625964
Relative Humidity (%)778091949794949797979797979791858075757575727780
RainSChc----------------------------SChcSChcChcChcChcChcLklyLklyLkly
ThunderSChc------------------------------SChcSChcSChcChcChcLklyLklyLkly

Date07/17
Hour (EDT)192021222300010203040506070809101112131415161718
Temperature (°F)828179797979787878777777777881858890929393929190
Dewpoint (°F)767676767575747474737373737475767676767676757575
Heat Index (°F)8987797979797878787777777778879499102105106106103102101
Surface Wind (mph)766666666777888888999998
Wind DirSSSSSSSWSWSWSWSWSWSWSWSWSWSWSWSWSWSWSWSWSW
Gust
Sky Cover (%)846859606163646662595550443938363541485454545454
Precipitation Potential (%)651515151515154444448888883131313131
Relative Humidity (%)828591918888888888878787878882756864605858586062
RainLklySChcSChcSChcSChcSChcSChc------------------------ChcChcChcChcChc
ThunderLklySChcSChcSChcSChcSChcSChc------------------------ChcChcChcChcChc

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