Point Forecast: Johnstown PA
 40.32N 78.93W (Elev. 509 m)
Last Update: 3:08 am 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  
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  

Date07/1507/16
Hour (EDT)030405060708091011121314151617181920212223000102
Temperature (°C)191919191920222527282829292929282726252423222221
Dewpoint (°C)191919191919212121212121212121222221222121212120
Heat Index (°C)25283031313132313029262524
Surface Wind (mph)000000001222222222222222
Wind DirNNNNNNNESESSESESESEESESESESESESSSS
Gust
Sky Cover (%)364242424341352033375053435653514947545143433934
Precipitation Potential (%)110110002251317242522249633336
Relative Humidity (%)10010010010010097907972676363635963697274828490909393
Rain------------------------SChcSChcChcSChcSChc--------------
Thunder------------------------SChcSChcChcSChcSChc--------------

Date07/17
Hour (EDT)030405060708091011121314151617181920212223000102
Temperature (°C)212121212122242627282828282827272625242322222222
Dewpoint (°C)212121202021222222222222222222222222222121212121
Heat Index (°C)24262931313131302928262524
Surface Wind (mph)222222222335555332222222
Wind DirSSSSSSSSWSWSWSWSWSWSWSWSWSWSSSSSSWSW
Gust
Sky Cover (%)465551504961616569758187878787878776767676767669
Precipitation Potential (%)6555741414141414180808080808064646464646431
Relative Humidity (%)97100100979797878274706767676972747782879093979393
Rain----------ChcChcChcChcChcChcOcnlOcnlOcnlOcnlOcnlOcnlLklyLklyLklyLklyLklyLklyChc
Thunder----------------ChcChcChcLklyLklyLklyLklyLklyLklyChcChcChcChcChcChcSChc

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