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Baltimore, MD/Washington, D.C.
 
 
 Point Forecast: Gaithersburg MD
 39.13N 77.21W (Elev. 404 ft)
Last Update: 10:31 am EDT May 15, 2021
Tabular Forecast
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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  

Date05/1505/16
Hour (EDT)111213141516171819202122230001020304050607080910
Temperature (°F)687173747576747270686462605857565555545454576063
Dewpoint (°F)393635353535363738404143424242434343434444464546
Heat Index (°F)7576
Surface Wind (mph)333333533332332222222235
Wind DirNWWWWWEEEEESESESESESSSSSSSSSS
Gust
Sky Cover (%)51222404750454546504843414449525356575860616675
Precipitation Potential (%)4713131313131313222222444444242424
Relative Humidity (%)342825242322252831364350515557626464666969675854
Rain------------------------------------------SChcSChcSChc
Thunder------------------------------------------------

Date05/17
Hour (EDT)111213141516171819202122230001020304050607080910
Temperature (°F)666768696968676666656361595857565555555556576063
Dewpoint (°F)454645464546474848484849494949494950505151525252
Heat Index (°F)
Surface Wind (mph)556777776333333333322233
Wind DirSSSSWSWSWSWSSESESESESESESESESESESESESESESESE
Gust
Sky Cover (%)798083848588898679757574747371707275777675747475
Precipitation Potential (%)242424454545454545242424242424141414141414191919
Relative Humidity (%)474743444245495252545865697275778083838683837567
RainSChcSChcSChcChcChcChcChcChcChcSChcSChcSChcSChcSChcSChc------------SChcSChcSChc
Thunder------------------------------------------------

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