Point Forecast: Riderwood MD
 39.4N 76.62W (Elev. 404 ft)
Last Update: 7:30 pm EDT Jul 14, 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  

Date07/1407/15
Hour (EDT)222300010203040506070809101112131415161718192021
Temperature (°F)757474747373737272737477798182838485848383828079
Dewpoint (°F)747474737373727272737373747474757575747474747474
Heat Index (°F)7577798688909294919090888479
Surface Wind (mph)221111111122222223333322
Wind DirNESSNWNWNWNWNNNNNNENEESESESSSSSS
Gust
Sky Cover (%)848982676869636165635855635061535357637562545662
Precipitation Potential (%)402122233024179761319202223282935446242312323
Relative Humidity (%)9710010097100100971001001009787857977777472727474778285
RainChcSChcSChcSChcChcSChcSChc--------SChcSChcSChcSChcChcChcChcChcLklyChcChcSChcSChc
ThunderChcSChcSChcSChc------------------SChcSChcSChcChcChcChcChcChcChcSChcSChc

Date07/16
Hour (EDT)222300010203040506070809101112131415161718192021
Temperature (°F)787675747474747474757678818385868686868584828079
Dewpoint (°F)757575747474737373747575767676767676757575757575
Heat Index (°F)787675757678879194969696959492898579
Surface Wind (mph)222222222223355666777765
Wind DirSSSSSSSSSSSSSSSSSSSSSSSS
Gust
Sky Cover (%)544547485053555862656964585363728282828282827979
Precipitation Potential (%)232323232525252525253030303030307272727272723333
Relative Humidity (%)9197100100100100979797979791858075727272707274798588
RainSChcSChcSChcSChcChcChcChcChcChcChcChcChcChcChcChcChcLklyLklyLklyLklyLklyLklyChcChc
ThunderSChcSChcSChcSChc------------------SChcSChcSChcChcChcChcChcChcChcChcChc

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