10-Day Weather Forecast - Saint Helena Island, SC
As of
- 84|80°FMostly SunnyHourly details
Today
84°FPatchy fog this morning. Mostly sunny. Highs around 90. Heat index values up to 105. Northeast winds 5 to 10 mph, becoming east 10 to 15 mph this afternoon.
Tonight
80°FMostly clear. Lows in the upper 70s. Southeast winds 5 to 10 mph.
- 83|79°FMostly SunnyHourly details
Day
83°FMostly sunny with a slight chance of showers and thunderstorms. Highs in the upper 80s. Southeast winds 5 to 10 mph. Chance of rain 20 percent.
Night
79°FMostly clear in the evening, then becoming partly cloudy. Lows in the upper 70s. South winds 5 to 10 mph.
Weekend Weather
- 86|78°FMostly SunnyHourly details
Day
86°FMostly sunny with a slight chance of showers. A slight chance of thunderstorms in the afternoon. Highs in the mid 90s, except in the lower 90s near the coast. Southwest winds 5 to 10 mph. Chance of rain 20 percent. Heat index values up to 109.
Night
78°FPartly cloudy with a chance of showers and thunderstorms. Lows in the upper 70s. Chance of rain 50 percent.
- 84|78°F70% Chance of StormsHourly details
Day
84°FShowers and thunderstorms likely. Highs around 90. Chance of rain 70 percent. Heat index values up to 105.
Night
78°FShowers likely with a chance of thunderstorms. Lows in the mid 70s. Chance of rain 70 percent.
- 82|77°F70% Chance of StormsHourly details
Day
82°FShowers likely with a chance of thunderstorms. Highs in the mid 80s. Chance of rain 70 percent.
Night
77°FMostly cloudy with a chance of showers and thunderstorms. Lows in the mid 70s. Chance of rain 50 percent.
- 82|78°F40% Chance of StormsHourly details
Day
82°FMostly sunny with a chance of showers with a slight chance of thunderstorms. Highs in the mid 80s. Chance of rain 40 percent.
Night
78°FPartly cloudy. Lows in the mid 70s.
- 83|78°FMostly Sunny
Day
83°FMostly sunny with a 20 percent chance of showers. Highs in the upper 80s.
Night
78°FClear with widely scattered thunderstorms. Chance of storms 30%. Low temperature around 78F. Dew point will be around 74F with an average humidity of 82%. Winds will be 2 mph from the E.
- 83|78°FMostly Sunny
Day
83°FMostly sunny with widely scattered thunderstorms. Chance of storms 25%. High temperature around 83F. Dew point will be around 74F with an average humidity of 83%. Winds will be 3 mph from the SE.
Night
78°FMostly clear with widely scattered thunderstorms. Chance of storms 25%. Low temperature around 78F. Dew point will be around 74F with an average humidity of 82%. Winds will be 2 mph from the SE.
- 84|79°FSunny
Day
84°FSunny with widely scattered thunderstorms. Chance of storms 25%. High temperature around 84F. Dew point will be around 74F with an average humidity of 82%. Winds will be 2 mph from the SE.
Night
79°FClear with a 25% chance for rain and thunderstorms. Low temperature around 79F. Dew point will be around 74F with an average humidity of 80%. Winds will be 2 mph from the SE.












