Local Forecast

St Helena Island, SC Weather Forecast & Alerts

Current conditions, 5-day forecast, and active NWS weather alerts for St Helena Island, SC.

No Active Alerts

Hour-by-Hour  Current Observation

Saturday 5:56 PM EDTSaturday 5:56 PM

°F °C
Regional Observations →
89°F

Clear

  • 91° / 75° High / Low
  • 99° Feels Like
  • 0% Chance of Rain

Wind

3 mph

SSE

UV Index

6

High

Humidity

63%

Dew 75°F

Sun

6:15 AM · 8:31 PM

Rise · Set

Source: BEAUFORT MCAS (KNBC). Slider scrubs the next 12 hours.

5-Day Outlook

Through Wednesday

Local Radar →

Today

91° 75°

Chance of Thunderstorms

Overnight: Mostly Cloudy

Detailed forecast

Today

A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 90. Northwest wind 5 to 8 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.

Night

A slight chance of showers and thunderstorms before 7pm. Mostly cloudy, with a low around 75. West wind 1 to 7 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.

Sunday

91° 77°

Mostly Cloudy

Overnight: Partly Cloudy

Detailed forecast

Sunday

Mostly sunny, with a high near 90. West wind 1 to 8 mph.

Night

Mostly clear, with a low around 77. South wind 5 to 8 mph.

Monday

93° 80°

Mostly Sunny

Overnight: Mostly Clear

Detailed forecast

Monday

Sunny, with a high near 93. Southwest wind 5 to 12 mph.

Night

Mostly clear, with a low around 79.

Tuesday

95° 77°

Chance of Thunderstorms

Overnight: Chance of Scattered Thunderstorms

Detailed forecast

Tuesday

A chance of showers and thunderstorms after 2pm. Sunny, with a high near 94. Chance of precipitation is 40%.

Night

A chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 77. Chance of precipitation is 40%.

Wednesday

93° 77°

Chance of Thunderstorms

Overnight: Chance of Thunderstorms

Detailed forecast

Wednesday

A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 92. Chance of precipitation is 40%.

Night

A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 76. Chance of precipitation is 50%.

St Helena Island, SC Weather Analysis Tools