Point Forecast: Riderwood MD
 39.4N 76.62W (Elev. 404 ft)
Last Update: 1:30 am 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)040506070809101112131415161718192021222300010203
Temperature (°F)737272737477798183848586858484838179787776767575
Dewpoint (°F)727272737374747575757575767575757575757575757474
Heat Index (°F)77798790929495949292908779787776767575
Surface Wind (mph)111122222222333332222222
Wind DirNWNWNNNNNNNESESESESESSESSSSSSSSS
Gust
Sky Cover (%)636165633754504737364850655952515145354426263932
Precipitation Potential (%)1797687667161724483822271114191412111614
Relative Humidity (%)971001001009790858277747270757474778288919497979797
RainSChc----------------SChcSChcSChcChcChcSChcChc----SChc------SChc--
Thunder------------------SChcSChcSChcChcChcSChcChc----SChc----------

Date07/17
Hour (EDT)040506070809101112131415161718192021222300010203
Temperature (°F)747473747679818384858585858483828180787776767675
Dewpoint (°F)747473747576777777777777767676767676757575747474
Heat Index (°F)7679889294969696949391898786787776767675
Surface Wind (mph)222233567777777666555555
Wind DirSSSSSSSSSSSSSSSSSSSSSWSWSWSW
Gust
Sky Cover (%)455657586262636369768282828282828279777471696665
Precipitation Potential (%)181817124343434343437373737373733737373737371313
Relative Humidity (%)1001001001009791888280777777757780828588919497949497
RainSChcSChcSChc--ChcChcChcChcChcChcLklyLklyLklyLklyLklyLklyChcChcChcChcChcChc----
Thunder--------------ChcChcChcLklyLklyLklyLklyLklyLklyChcChcChcChcChcChc----

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