Point Forecast: 7 Miles E Saint Helena Island SC
 32.38N 80.44W (Elev. 10 ft)
Last Update: 2:45 pm EDT Aug 13, 2026
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  
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  

Date08/1308/14
Hour (EDT)181920212223000102030405060708091011121314151617
Temperature (°F)908986868585848484838282828183858890919292919291
Dewpoint (°F)808080787879797979797979787879787877787879797980
Heat Index (°F)10810610198979896969694929291899497102103106107109108109109
Surface Wind (mph)10109988886665553556689101111
Wind DirSSWSWSWSWSWSWSWSWSWSWWWWWWWWSWSSSSWS
Gust2020
Sky Cover (%)2648554830342423462641383326241759201913192121
Precipitation Potential (%)121086554345322234112410212627
Relative Humidity (%)737582778082858585889191889188807266666466686670
Rain------------------------------------------SChcChcChc
Thunder------------------------------------------SChcChcChc

Date08/15
Hour (EDT)181920212223000102030405060708091011121314151617
Temperature (°F)908987868685848484848382828283858890919292929291
Dewpoint (°F)797979797980807979797979797979797978787979798080
Heat Index (°F)1061051011001009997969696949292929498103105106109109109111109
Surface Wind (mph)1110109988888887766678910111111
Wind DirSSSSSWSWSWSWSWSWSWSWSWSWSWWSWSWSWSWSSSS
Gust2020202020
Sky Cover (%)262823201421171022352940282590917171818212528
Precipitation Potential (%)29269541023316852222225555
Relative Humidity (%)707377808085888585858891919188827568666666666870
RainChcChc--------------------------------------------
ThunderChcChc--------------------------------------------

Additional Forecasts and Information
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