Point Forecast: Langley Park MD
 39N 76.98W (Elev. 38 m)
Last Update: 1:30 pm EDT Jul 13, 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  

Date07/1307/14
Hour (EDT)161718192021222300010203040506070809101112131415
Temperature (°C)313130302927262524242424232323232426272829292930
Dewpoint (°C)232424242424232323232323232323232424242424252525
Heat Index (°C)3637353533292625242424242426303234343436
Surface Wind (mph)666653332222222222233555
Wind DirSESESESESESESESSSSESSSESESESSSSSSSS
Gust
Sky Cover (%)786858664353576260637963636780776165566758647780
Precipitation Potential (%)675237302229364340453120262929231615161735456569
Relative Humidity (%)6366707074858890949497971001001001009794888277808075
RainLklyChcChcChcSChcChcChcChcChcChcChcSChcChcChcChcSChcSChcSChcSChcSChcChcChcLklyLkly
ThunderChcChcChcChcSChcChcChcChcChcChcSChcSChcSChc------SChcSChcSChcSChcChcChcLklyLkly

Date07/15
Hour (EDT)161718192021222300010203040506070809101112131415
Temperature (°C)292928282626252424242424232323242425262728292930
Dewpoint (°C)242424242424242424232323232323232424242424242424
Heat Index (°C)343433322626252424242424242425263132343436
Surface Wind (mph)555322222222222222223355
Wind DirSESESESSSESESSSSSSWSWSSSSSSESSSS
Gust
Sky Cover (%)767982848572788483838281818077757273737476788080
Precipitation Potential (%)636872755858585858583333333333333636363636366969
Relative Humidity (%)75758082889194971009797979797100979794888277777572
RainLklyLklyLklyOcnlLklyLklyLklyLklyLklyLklyChcChcChcChcChcChcChcChcChcChcChcChcLklyLkly
ThunderLklyLklyLklyLklyChcChcChcChcChcChcSChcSChcSChcSChcSChcSChc------SChcSChcSChcChcChc

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