Point Forecast: Rockville MD
 39.08N 77.16W (Elev. 430 ft)
Last Update: 12:21 am EDT Jul 16, 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  

Date07/16
Hour (EDT)000102030405060708091011121314151617181920212223
Temperature (°F)787676757475757477788283858787888685848280797778
Dewpoint (°F)747474747373737476767676767677767676767675767675
Heat Index (°F)78767675757577788991949899999694938985797778
Surface Wind (mph)322222233566788888776666
Wind DirSSSSSSSSSSSSSSSSSWSSSSSWSWS
Gust
Sky Cover (%)616569706471626261596884776370727684777475717068
Precipitation Potential (%)98755555551113202931445875615624242424
Relative Humidity (%)8894949797949410097948280757072687275778285919791
Rain------------------------SChcChcChcChcLklyOcnlLklyLklySChcSChcSChcSChc
Thunder------------------------SChcSChcChcChcChcChcChcChcSChcSChcSChcSChc

Date07/17
Hour (EDT)000102030405060708091011121314151617181920212223
Temperature (°F)777676767576767778808386899192929190898886848381
Dewpoint (°F)757474747373747475757575757474747373737475757676
Heat Index (°F)7776767675767677788590959910110210210098979795929187
Surface Wind (mph)666666677788888888776655
Wind DirSSWSWSWSWSWSWSWSWSWSWSWSWWWWSWSWSWSWSWSWSWSW
Gust
Sky Cover (%)686868656360534639394040455055555555555537353230
Precipitation Potential (%)242466666610101010101033333333333311111111
Relative Humidity (%)949494949490949091857770645856565658596370748085
RainSChcSChc------------------------ChcChcChcChcChcChc--------
ThunderSChcSChc------------------------ChcChcChcChcChcChc--------

Additional Forecasts and Information
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