Point Forecast: Perry Hall MD
 39.41N 76.47W (Elev. 249 ft)
Last Update: 1:31 pm 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)222300010203040506070809101112131415161718192021
Temperature (°F)787777767575757474757880828486868586868483818079
Dewpoint (°F)757575757474747474747676777777787777777676767576
Heat Index (°F)78777776757575757886909497989697979391878579
Surface Wind (mph)222111222223566788887665
Wind DirSSSSSWSSSWSSSSSSSSSSSSSSSS
Gust
Sky Cover (%)413238403939434650375657605464656880788781848067
Precipitation Potential (%)844687756466112235395263676771693232
Relative Humidity (%)91949497979797100100979488858075777775757780858591
Rain--------------------------SChcChcChcChcLklyLklyLklyLklyLklyChcChc
Thunder--------------------------SChcChcChcChcLklyLklyLklyLklyLklyChcChc

Date07/17
Hour (EDT)222300010203040506070809101112131415161718192021
Temperature (°F)787878777776767676777981848789909191919089878685
Dewpoint (°F)767575757575747475757676757575757675747474757676
Heat Index (°F)7878787777767676767779879296991011031021019998969694
Surface Wind (mph)555666666777888999987766
Wind DirSWSWSWSWSWSWSWSWSWSWSWSWSWSWSWWWWSWSWSWSWSWSW
Gust
Sky Cover (%)707371706867656461575449433845525959595959593233
Precipitation Potential (%)323232321212121212121616161616163838383838381111
Relative Humidity (%)949191949497949497949185746864626260586061687275
RainChcChcChcChc------------SChcSChcSChcSChcSChcSChcChcChcChcChcChcChc----
ThunderChcChcChcChc------------------SChcSChcSChcChcChcChcChcChcChc----

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