Point Forecast: Riderwood MD
 39.4N 76.62W (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)868582797776767574747474737375777880808182838382
Dewpoint (°F)747374747373737473737373737374757576767777777676
Heat Index (°F)949288797776767575777886868890929189
Surface Wind (mph)655333222222222223355555
Wind DirSESESESESESSESESESESESESESESESESSSESESSSS
Gust
Sky Cover (%)596541384645617170657274738183817273776783837180
Precipitation Potential (%)362820202122425747271923333630272427445074745669
Relative Humidity (%)68677785879090979797979710010097949188888885828082
RainChcChcSChcSChcSChcSChcChcLklyChcChcSChcSChcChcChcChcChcSChcChcChcChcLklyLklyLklyLkly
ThunderChcChcSChcSChcSChcSChcChcChcChcChcSChcSChcSChcSChcSChcSChcSChcChcChcChcLklyLklyLklyLkly

Date07/15
Hour (EDT)181920212223000102030405060708091011121314151617
Temperature (°F)817977767575747473737373737475777981828384848483
Dewpoint (°F)767674757574747373737272727374747575757676767575
Heat Index (°F)87797776757575777987899193939290
Surface Wind (mph)322222211111111122233355
Wind DirSESESWSWSSSSSSWSWSENEEEESESESESESS
Gust
Sky Cover (%)849090798285828077787879777573717068727680808080
Precipitation Potential (%)768560606060606040404040404039393939393970707070
Relative Humidity (%)8591909710097100971001009797979797908882798077777477
RainOcnlOcnlLklyLklyLklyLklyLklyLklyChcChcChcChcChcChcChcChcChcChcChcChcLklyLklyLklyLkly
ThunderLklyLklyChcChcChcChcChcChcSChcSChcSChcSChcSChcSChc------SChcSChcSChcChcChcChcChc

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