Point Forecast: Riderwood MD
 39.4N 76.62W (Elev. 123 m)
Last Update: 10:30 am EDT Jul 14, 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  

Date07/1407/15
Hour (EDT)161718192021222300010203040506070809101112131415
Temperature (°C)282827272625242424232323232322232425262728292929
Dewpoint (°C)242424242423232323232322222322222323232424232323
Heat Index (°C)3232312926252424242425263132333333
Surface Wind (mph)553222211111111122222333
Wind DirSSSSWNSESESESWWWNNNWNNENNEEESESESE
Gust
Sky Cover (%)696881938981889283858075676674685959616368737878
Precipitation Potential (%)495161896352433129344440332218153939393939396767
Relative Humidity (%)828282859190979794971009797100100979790858279727272
RainChcChcLklyOcnlLklyChcChcChcChcChcChcChcChcSChcSChcSChcChcChcChcChcChcChcLklyLkly
ThunderChcChcLklyLklyChcChcChcSChcSChcSChc------------------SChcSChcSChcChcChc

Date07/16
Hour (EDT)161718192021222300010203040506070809101112131415
Temperature (°C)292828272726252424242424232323242426272829292929
Dewpoint (°C)232323232423232323232323232323232323242424242424
Heat Index (°C)333231302926252424242424242426313334343434
Surface Wind (mph)333222222111222223355666
Wind DirSESESESSSSSSSSSSSSSSSSSSSSS
Gust
Sky Cover (%)787878785151515151515055596465656663605766758484
Precipitation Potential (%)676767672626262626262222222222223535353535357575
Relative Humidity (%)727477798585909497979797979797949488828077757575
RainLklyLklyLklyLklyChcChcChcChcChcChcSChcSChcSChcSChcSChcSChcChcChcChcChcChcChcOcnlOcnl
ThunderChcChcChcChcSChcSChcSChcSChcSChcSChc------------------SChcSChcSChcChcChc

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