Point Forecast: Gaithersburg MD
 39.13N 77.21W (Elev. 123 m)
Last Update: 1:30 pm EDT Jul 13, 2025
Tabular Forecast
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Weather ElementsFire WeatherAviation Weather
Temperature (°C)
Dewpoint (°C)
Heat Index (°C)

Surface Wind  
Sky Cover (%)
Precipitation Potential (%)
Relative Humidity (%)

Rain
Thunder
Fog
Mixing Height  
Trans. Wind  
Vent Rate (x1000 mph-m)
Atmospheric Dispersion Index
Low Visibility Occurrence Risk Index
Ceiling Height
Visibility

48-Hour Period Starting:       Back 2 Days  

Date07/1307/14
Hour (EDT)202122230001020304050607080910111213141516171819
Temperature (°C)272625242424232323232323242526272829292929292827
Dewpoint (°C)242424242423232323232323242424242525252525252424
Heat Index (°C)312625242424242526313336363634343331
Surface Wind (mph)553222222222222335553332
Wind DirSSSSSSSSSSESESESESSSSSSWSSESSES
Gust
Sky Cover (%)565859616463637866637369706563495662736966768088
Precipitation Potential (%)343739424245322223212118151112203443515349637081
Relative Humidity (%)8591949710097100100100971001001009791858277777780808085
RainChcChcChcChcChcChcChcSChcSChcSChcSChcSChcSChc----SChcChcChcChcChcChcLklyLklyOcnl
ThunderChcChcChcChcChcChcSChcSChcSChc------------SChcChcChcChcChcChcLklyLklyLkly

Date07/15
Hour (EDT)202122230001020304050607080910111213141516171819
Temperature (°C)262524242424232323232323242526272829292929292828
Dewpoint (°C)242424242423232323232323232424242424242424242424
Heat Index (°C)262524242424242526313334343434343332
Surface Wind (mph)222221111112222223333333
Wind DirWSSSSSSWSWNWNWNNNNEEEESESSSSSS
Gust
Sky Cover (%)877675747577787879797571676564626772777777777777
Precipitation Potential (%)555555555555282828282828303030303030656565656565
Relative Humidity (%)9497100971009710010010010010097979488858077757575778082
RainLklyLklyLklyLklyLklyLklyChcChcChcChcChcChcChcChcChcChcChcChcLklyLklyLklyLklyLklyLkly
ThunderChcChcChcSChcSChcSChcSChcSChcSChc------------SChcSChcSChcChcChcChcChcChcChc

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