Point Forecast: Grantley PA
 39.95N 76.72W (Elev. 433 ft)
Last Update: 4:34 pm EDT Jul 13, 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  
20ft Wind  
Vent Rate (x1000 mph-ft)
Davis Stability Index
Atmospheric Dispersion Index
Low Visibility Occurrence Risk Index
Ceiling Height
Visibility
Thunder Potential

48-Hour Period Starting:       Back 2 Days  

Date07/1307/14
Hour (EDT)212223000102030405060708091011121314151617181920
Temperature (°F)807977777676757675747575777980828284848382808077
Dewpoint (°F)727372737474737373737373747575767776777676757474
Heat Index (°F)8479777776767576757575777985899093949189858577
Surface Wind (mph)652355555532222223333222
Wind DirSESSSSSSSSSSSSSSSSSSSSSSNE
Gust
Sky Cover (%)78847975737167636464707574737271706889819210010092
Precipitation Potential (%)534350616349483636373312101015344480836280838350
Relative Humidity (%)778285889494949094979494908885828577808082858290
RainChcChcChcLklyLklyChcChcChcChcChcChc------SChcChcChcOcnlOcnlLklyOcnlOcnlOcnlChc
ThunderChcChcChcLklyLklyChcChc--------------SChcChcChcOcnlOcnlLklyOcnlOcnlOcnlChc

Date07/15
Hour (EDT)212223000102030405060708091011121314151617181920
Temperature (°F)767575747473727272727374767880828485858483828180
Dewpoint (°F)737373737272727272727373747475757575757575757575
Heat Index (°F)767575767885899294949290898785
Surface Wind (mph)221111111111122222233322
Wind DirSSSWSWWWWNWNWNNNNNENEEEESESESESESESE
Gust
Sky Cover (%)847973757779777472737475676052596572727272727250
Precipitation Potential (%)505050505028282828282828282828282858585858585823
Relative Humidity (%)90949497939710010010010010097948885797472727477798285
RainChcChcChcChcChcChcChcChcChcChcChcChcChcChcChcChcChcLklyLklyLklyLklyLklyLklySChc
ThunderChcChcSChcSChcSChcSChcSChcSChc------------SChcSChcSChcChcChcChcChcChcChcSChc

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