Partly Sunny/Partly Cloudy

Today

Partly Sunny

75°

/ 42°

Saint Helena Island, South Carolina

5 Day Forecast

Weather Forecast Accuracy Last Month (January)

The Weather Channel

91.67%

AerisWeather

87.37%

Weatherbit

86.56%

Foreca

85.75%

Microsoft

85.58%

NWS Digital Forecast

74.18%

OpenWeather

70.97%

World Weather Online

69.35%

Open-Meteo

69.35%

Pirate Weather

68.82%

Wetter.com

50.81%

Persistence

41.67%

Where is AccuWeather?

Weather Forecast Accuracy Last Year (2025)

The Weather Channel

87.49%

Microsoft

87.02%

AerisWeather

85.61%

Foreca

84.72%

Weatherbit

83.95%

NWS Digital Forecast

79.14%

Pirate Weather

74.34%

Open-Meteo

74.31%

OpenWeather

67.26%

World Weather Online

67.12%

Wetter.com

65.98%

Persistence

56.01%

ForecastAdvisor Fact

50.5% of World Weather Online's low temperature forecasts for Saint Helena Island were within 3 degrees of actual temperatures last month.

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