Point Forecast: Silver Spring MD
 39N 77.03W (Elev. 344 ft)
Last Update: 1:31 pm 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)202122230001020304050607080910111213141516171819
Temperature (°F)858079787776767575757474777982848586868787858281
Dewpoint (°F)757575757474747474747474767676767676777676767676
Heat Index (°F)94857978777676757575777989939496979898948987
Surface Wind (mph)322222222223556678999887
Wind DirSSSSSSSSSSSSSSSSSSSSSWSSWS
Gust
Sky Cover (%)513436384237525250545542565767758365726972838483
Precipitation Potential (%)10455448576676715182632283855676763
Relative Humidity (%)72858891909494979797100100979182777572757070758285
Rain----------------------------SChcSChcChcChcChcChcLklyLklyLklyLkly
Thunder------------------------------SChcSChcSChcChcChcLklyLklyLklyLkly

Date07/17
Hour (EDT)202122230001020304050607080910111213141516171819
Temperature (°F)807978787877777676767677798184878990919292919088
Dewpoint (°F)757575757574747473737374757575757474747473737374
Heat Index (°F)8579787878777776767676777987929698991011021011009897
Surface Wind (mph)666666667777778889999877
Wind DirSSSSSSWSWSWSWSWSWSWSWSWSWSWSWSWSWSWSWSWSWSW
Gust
Sky Cover (%)767471687073756963575144383837374350565656565656
Precipitation Potential (%)222222222222666666999999343434343434
Relative Humidity (%)858891919190909490909090888274686160585654565863
RainSChcSChcSChcSChcSChcSChc------------------------ChcChcChcChcChcChc
ThunderSChcSChcSChcSChcSChcSChc------------------------ChcChcChcChcChcChc

Additional Forecasts and Information
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