Point Forecast: Saint Helena Island SC
 32.39N 80.57W (Elev. 20 ft)
Last Update: 7:50 am EDT Sep 22, 2024
Tabular Forecast
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Weather ElementsWeather/PrecipitationFire Weather
Temperature (°F)
Dewpoint (°F)
Heat Index (°F)

Surface Wind  
Sky Cover (%)
Precipitation Potential (%)
Relative Humidity (%)
Rain
Thunder
Fog
Mixing Height  
Haines Index
Lightning Activity Level
Trans. Wind  
20ft Wind  
Vent Rate (x1000 mph-ft)
Dispersion Index
Davis Stability Index
Atmospheric Dispersion Index
Low Visibility Occurrence Risk Index
Turner Stability Index

48-Hour Period Starting:       Back 2 Days  

Date09/2209/23
Hour (EDT)080910111213141516171819202122230001020304050607
Temperature (°F)717478818385868686858280787777777676757474747473
Dewpoint (°F)706969696969696969707071717272727272727272727171
Heat Index (°F)7884878990909090868378777777767675
Surface Wind (mph)122223357776553333333221
Wind DirNWNNNNESESSSSSSSSSSSSSSWSWSWSWSW
Gust
Sky Cover (%)101011121415151314131419242422192226302829303336
Precipitation Potential (%)000011222468998654433333
Relative Humidity (%)978474676359575757616774798585858787909393939093
Rain------------------------------------------------
Thunder------------------------------------------------

Date09/24
Hour (EDT)080910111213141516171819202122230001020304050607
Temperature (°F)747779828486878786858381797878777776767675757474
Dewpoint (°F)717170707071717171727272737373737373727272727272
Heat Index (°F)777986889193939191888579787877777676767575
Surface Wind (mph)223335566665535532222222
Wind DirSWSWSWSWSSSESESESESESESESESESSSSSSSSS
Gust
Sky Cover (%)4031292112987781113222018161719202225272319
Precipitation Potential (%)222222223322222222111111
Relative Humidity (%)908274676361595961657074828585878790878790909393
Rain------------------------------------------------
Thunder------------------------------------------------

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