Point Forecast: Mount Gretna PA
 40.26N 76.47W (Elev. 699 ft)
Last Update: 7:22 pm EDT Jul 14, 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  

Date07/1407/15
Hour (EDT)222300010203040506070809101112131415161718192021
Temperature (°F)737273737372717171717375777880828485858483828179
Dewpoint (°F)717171717170707070717172727373747373737373737372
Heat Index (°F)75777884889092929089878679
Surface Wind (mph)222222222222222222333232
Wind DirEEESESENNNENNNNNNENEEESESESESSSS
Gust
Sky Cover (%)858175696361656261625663645537335558605752363745
Precipitation Potential (%)161411141817161044108101013183337403628181818
Relative Humidity (%)9494949493939797971009390858579777067677072747779
RainSChc------SChcSChc------------------SChcChcChcChcChcChcSChcSChcSChc
Thunder------------------------------SChcChcChcChcChcChcSChcSChcSChc

Date07/16
Hour (EDT)222300010203040506070809101112131415161718192021
Temperature (°F)777675747473737373747577788081828383838281797877
Dewpoint (°F)727272717171717172727374747576767676757575747474
Heat Index (°F)7776757577788587899191908987797877
Surface Wind (mph)222222222333555666777666
Wind DirSSSSSSSSSSSSSSSSSSSSSSSS
Gust
Sky Cover (%)413740444755627069686764605765738181818181817977
Precipitation Potential (%)181818181919191919192828282828287171717171714343
Relative Humidity (%)858790909093939397939490888585828080777982858890
RainSChcSChcSChcSChcSChcSChcSChcSChcSChcSChcChcChcChcChcChcChcLklyLklyLklyLklyLklyLklyChcChc
ThunderSChc------------------------SChcSChcSChcChcChcChcLklyLklyLklyChcChc

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