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  

Date07/1407/15
Hour (EDT)010203040506070809101112131415161718192021222300
Temperature (°F)757474747473737577798183858585848483817877767675
Dewpoint (°F)747474747373737576767677777777777776767676767575
Heat Index (°F)757577798792969696949491877877767675
Surface Wind (mph)222222222233555333222222
Wind DirSSSSSESESESESSSSSSWSSESSESWSSSS
Gust
Sky Cover (%)636378666373697065634956627369667680888776757475
Precipitation Potential (%)453222232121181511122034435153496370815555555555
Relative Humidity (%)97100100100971001001009791858277777780808085949710097100
RainChcChcSChcSChcSChcSChcSChcSChc----SChcChcChcChcChcChcLklyLklyOcnlLklyLklyLklyLklyLkly
ThunderChcSChcSChcSChc------------SChcChcChcChcChcChcLklyLklyLklyChcChcChcSChcSChc

Date07/16
Hour (EDT)010203040506070809101112131415161718192021222300
Temperature (°F)757473737373747577798183848585858483828180787776
Dewpoint (°F)747473737373737475757676767676767676767676767676
Heat Index (°F)757577798791939494949391898786787776
Surface Wind (mph)111111222222333333333222
Wind DirSSWSWNWNWNNNNEEEESESSSSSSSSSSS
Gust
Sky Cover (%)777878797975716765646267727777777777774947464450
Precipitation Potential (%)552828282828283030303030306565656565652222222222
Relative Humidity (%)971001001001001009797948885807775757577808285889497100
RainLklyChcChcChcChcChcChcChcChcChcChcChcChcLklyLklyLklyLklyLklyLklySChcSChcSChcSChcSChc
ThunderSChcSChcSChcSChc------------SChcSChcSChcChcChcChcChcChcChcSChcSChcSChc----

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