Point Forecast: Chevy Chase MD
 38.98N 77.09W (Elev. 105 m)
Last Update: 1:31 pm EDT Jul 15, 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  

Date07/16
Hour (EDT)000102030405060708091011121314151617181920212223
Temperature (°C)262524242424232425272829303131313130282827272726
Dewpoint (°C)232323232323232324242424242425242424242424242423
Heat Index (°C)2625242424242425303234363737373736323229292926
Surface Wind (mph)222222235566889999886666
Wind DirSSSSSSSSSSSSSSSSSWSSSSSSS
Gust
Sky Cover (%)413657484750474056566778826666747179787873747066
Precipitation Potential (%)54756666671517243128385568666222222222
Relative Humidity (%)8890949497941009494888277727072687072827985858585
Rain--------------------SChcSChcSChcChcChcChcLklyLklyLklyLklySChcSChcSChcSChc
Thunder----------------------SChcSChcSChcChcChcLklyLklyLklyLklySChcSChcSChcSChc

Date07/17
Hour (EDT)000102030405060708091011121314151617181920212223
Temperature (°C)262625242424242526272931323333333333323231292828
Dewpoint (°C)232323232323232324242424232323232323232324242424
Heat Index (°C)262625242424242526313336373839393938373736343232
Surface Wind (mph)666677777788899999876666
Wind DirSSWSWSWSWSWSWSWSWSWSWSWSWSWSWSWSWSWSWSWSWSWSWSW
Gust
Sky Cover (%)687173686358514538383737435056565656565638353330
Precipitation Potential (%)222255555599999934343434343410101010
Relative Humidity (%)888890949090949088827468615856565658606168727779
RainSChcSChc------------------------ChcChcChcChcChcChc--------
ThunderSChcSChc------------------------ChcChcChcChcChcChc--------

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