Point Forecast: Gaithersburg MD
 39.13N 77.21W (Elev. 404 ft)
Last Update: 4:30 am EDT Jul 15, 2025
Tabular Forecast
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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)060708091011121314151617181920212223000102030405
Temperature (°F)727374777982838586888786848381797877767574757474
Dewpoint (°F)727274747575767675757575757676767575757574757474
Heat Index (°F)777989919495989695929187797877767575
Surface Wind (mph)112222222223333222222222
Wind DirNENNNNNNNESESESESSESESSSSSSSSS
Gust
Sky Cover (%)705848624943373240516265615952384441424444574058
Precipitation Potential (%)88733361318264347353918192015766567
Relative Humidity (%)1009710090887980757066687074808591919497100100100100100
Rain----------------SChcChcChcChcChcChcSChcSChcSChcSChc------------
Thunder----------------SChcChcChcChcChcChcSChcSChcSChc--------------

Date07/17
Hour (EDT)060708091011121314151617181920212223000102030405
Temperature (°F)737476788083858788888786858381797877767676757575
Dewpoint (°F)737475767778787877777777777777767675757575757474
Heat Index (°F)76788793971001001009997969288797877767676757575
Surface Wind (mph)335666778888776666666666
Wind DirSSSSWSWSSSSSSSSSSSSSSSWSWSWSWSW
Gust
Sky Cover (%)635553676461677379797979797975726865666869625649
Precipitation Potential (%)9122929292929296868686868682828282828289999
Relative Humidity (%)100100979491858075707072757782889194949797971009797
Rain----ChcChcChcChcChcChcLklyLklyLklyLklyLklyLklyChcChcChcChcChcChc--------
Thunder----------ChcChcChcLklyLklyLklyLklyLklyLklyChcChcChcChcChcChc--------

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