Point Forecast: 4 Miles SSE Mc Henry MD
 39.51N 79.31W (Elev. 756 m)
Last Update: 7:31 am EDT Jul 15, 2025
Tabular Forecast
[hide menu]Get as XML
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)080910111213141516171819202122230001020304050607
Temperature (°C)192223252627272727262624232221212120201919191919
Dewpoint (°C)192122222222222222222222212121212120201919191919
Heat Index (°C)252628292829262624
Surface Wind (mph)112222222222222222222223
Wind DirESESESESESESESEESESESESESESESESESESSSWSWSWSW
Gust
Sky Cover (%)494351515548586463585349405154565041565051585652
Precipitation Potential (%)000281537464531292214138432233489
Relative Humidity (%)1009790827974727477777985879310010010010010010097100100100
Rain----------SChcChcChcChcChcChcSChc------------------------
Thunder----------SChcChcChcChcChcChcSChc------------------------

Date07/17
Hour (EDT)080910111213141516171819202122230001020304050607
Temperature (°C)212324252627272727272624232222212121212120202021
Dewpoint (°C)212222222222222222222221212121212121212120202020
Heat Index (°C)24252629292929282624
Surface Wind (mph)335666666665556666667778
Wind DirSWWSWSWSWSWSWSWSWSWSWSWSSSWSWSWSWSWSWSWSWSWW
Gust
Sky Cover (%)616165697580868686868686717172727171646974797876
Precipitation Potential (%)414141414141797979797979565656565656272727272727
Relative Humidity (%)100938785797774747274798287939710010010010010010010010097
RainChcChcChcChcChcChcOcnlOcnlOcnlOcnlOcnlOcnlLklyLklyLklyLklyLklyLklyChcChcChcChcChcChc
ThunderSChcSChcSChcChcChcChcLklyLklyLklyLklyLklyLklyChcChcChcChcChcChcSChcSChcSChc------

Additional Forecasts and Information
English UnitsForecast Discussion
7-Day ForecastHourly Weather Graph
Hazardous Weather Briefing Page
Past Weather InformationInteractive Forecast Map
Home