Point Forecast: Gaithersburg MD
 39.13N 77.21W (Elev. 123 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  

Date07/1507/16
Hour (EDT)212223000102030405060708091011121314151617181920
Temperature (°C)272625252424242323232325262829303131313028272727
Dewpoint (°C)242424242424242323232324242525252525252424242424
Heat Index (°C)3026252524242425263234363738383633313130
Surface Wind (mph)222222222223366778777766
Wind DirSSSSSSSSSSSSSSSSSSSSSWSSS
Gust
Sky Cover (%)524045425864485758605663637379815968728187887480
Precipitation Potential (%)4345465544544912172832455977575525
Relative Humidity (%)889497979710010010010010010097918580757270707280858588
Rain------------------------------SChcChcChcChcLklyOcnlLklyLklyChc
Thunder------------------------------SChcSChcChcChcLklyLklyLklyLklyChc

Date07/17
Hour (EDT)212223000102030405060708091011121314151617181920
Temperature (°C)262625242424242424242425272830313233333332323130
Dewpoint (°C)242424242423232323242424242424242323232323232424
Heat Index (°C)262625242424242424242425303235373738383837373735
Surface Wind (mph)666666666666778888877766
Wind DirSSSSSWSWSWSWSWSWSWSWSWSWSWSWWWWSWSWSWSWSW
Gust
Sky Cover (%)686664666769666461534436363535424855555555555536
Precipitation Potential (%)252525252577777710101010101032323232323210
Relative Humidity (%)9194979797949497971009797887770666058585860616670
RainChcChcChcChcChc------------------------ChcChcChcChcChcChc--
ThunderChcChcSChcSChcSChc------------------------ChcChcChcChcChcChc--

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