Point Forecast: Silver Spring MD
 39N 77.03W (Elev. 344 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)030405060708091011121314151617181920212223000102
Temperature (°F)737373727375777982838586868785848382807877777675
Dewpoint (°F)737272727374747575757575757575757575757575747574
Heat Index (°F)75777989909495959694929089857877777675
Surface Wind (mph)222222222233335555322222
Wind DirNWNWNWNNNWNNNNESESESSESESSSSSSSSS
Gust
Sky Cover (%)636854586757554954524357576569575753384243483547
Precipitation Potential (%)181312101174451018283547533536151918171369
Relative Humidity (%)100979710010097908879777270706872747779859194909797
RainSChc------------------SChcChcChcChcChcChcChcSChcSChcSChcSChc------
Thunder--------------------SChcChcChcChcChcChcChcSChcSChcSChcSChc------

Date07/17
Hour (EDT)030405060708091011121314151617181920212223000102
Temperature (°F)757474747477798183858687878786858482807877777777
Dewpoint (°F)747474737475767676767676767676767575757575757474
Heat Index (°F)7577798791949698989896949289857877777777
Surface Wind (mph)223356667889999887766666
Wind DirSSSSSSSWSWSSSSSSSSSSSSSSSWSW
Gust
Sky Cover (%)464848544055696662677378787878787875727067686869
Precipitation Potential (%)891213133232323232326767676767672626262626268
Relative Humidity (%)971001009710094918580757270707072757479859194949090
Rain----------ChcChcChcChcChcChcLklyLklyLklyLklyLklyLklyChcChcChcChcChcChc--
Thunder----------------ChcChcChcLklyLklyLklyLklyLklyLklyChcChcChcChcChcChc--

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