Point Forecast: Mount Gretna PA
 40.26N 76.47W (Elev. 213 m)
Last Update: 11:45 pm EDT Jul 14, 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  
20ft Wind  
Vent Rate (x1000 mph-m)
Davis Stability Index
Atmospheric Dispersion Index
Low Visibility Occurrence Risk Index
Ceiling Height
Visibility
Thunder Potential

48-Hour Period Starting:       Back 2 Days  

Date07/15
Hour (EDT)000102030405060708091011121314151617181920212223
Temperature (°C)222222222222212222232426272829292929292827262524
Dewpoint (°C)212121212121212122222222232323232323232323222222
Heat Index (°C)2426293232343333323230262524
Surface Wind (mph)222222222222222223333222
Wind DirENENNENNNNNNNNNENEESSSSSSSSS
Gust
Sky Cover (%)665258587269717065615443312229193033454037454137
Precipitation Potential (%)548644331000011111131718212118181818
Relative Humidity (%)979793979797979797938782797470706767707277798587
Rain--------------------------------SChcSChcSChcSChcSChcSChcSChcSChc
Thunder--------------------------------SChcSChcSChcSChcSChcSChcSChc--

Date07/16
Hour (EDT)000102030405060708091011121314151617181920212223
Temperature (°C)242323232323232324252627272828282828272626252424
Dewpoint (°C)222222222222222223232324242424242424242323232323
Heat Index (°C)2424252629313233333232312626252424
Surface Wind (mph)222222233355566677766655
Wind DirSSSSSSSSSSSSSSSSSSSSSSSS
Gust
Sky Cover (%)404447556270696867646057657381818181818179777573
Precipitation Potential (%)181819191919191928282828282871717171717143434343
Relative Humidity (%)909090939393979394908885858280807779828588909094
RainSChcSChcSChcSChcSChcSChcSChcSChcChcChcChcChcChcChcLklyLklyLklyLklyLklyLklyChcChcChcChc
Thunder----------------------SChcSChcSChcChcChcChcLklyLklyLklyChcChcChcChc

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