Point Forecast: Gaithersburg MD
 39.13N 77.21W (Elev. 404 ft)
Last Update: 1:30 pm EDT Jul 13, 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  

Date07/1307/14
Hour (EDT)181920212223000102030405060708091011121314151617
Temperature (°F)858581797776757574747474737375777981838585858484
Dewpoint (°F)757576767575757474747473737375767676777777777777
Heat Index (°F)949487797776757575777987929696969494
Surface Wind (mph)655532222222222223355533
Wind DirSEWSSSSSSSSSSESESESESSSSSSWSSES
Gust
Sky Cover (%)627156585961646363786663736970656349566273696676
Precipitation Potential (%)433834373942424532222321211815111220344351534963
Relative Humidity (%)7272859194971009710010010097100100100979185827777778080
RainChcChcChcChcChcChcChcChcChcSChcSChcSChcSChcSChcSChc----SChcChcChcChcChcChcLkly
ThunderChcChcChcChcChcChcChcChcSChcSChcSChc------------SChcChcChcChcChcChcLkly

Date07/15
Hour (EDT)181920212223000102030405060708091011121314151617
Temperature (°F)838178777676757574737373737475777981838485858584
Dewpoint (°F)767676767675757474737373737374757576767676767676
Heat Index (°F)918778777676757575777987919394949493
Surface Wind (mph)322222211111122222233333
Wind DirSESWSSSSSSWSWNWNWNNNNEEEESESSSS
Gust
Sky Cover (%)808887767574757778787979757167656462677277777777
Precipitation Potential (%)708155555555555528282828282830303030303065656565
Relative Humidity (%)8085949710097100971001001001001009797948885807775757577
RainLklyOcnlLklyLklyLklyLklyLklyLklyChcChcChcChcChcChcChcChcChcChcChcChcLklyLklyLklyLkly
ThunderLklyLklyChcChcChcSChcSChcSChcSChcSChcSChc------------SChcSChcSChcChcChcChcChc

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