Saint Helena Island Weather Forecast

    • 61
    • 71

    Slight Chance Rain

    • 64
    • 70

    Chance Rain Showers

    • 67
    • 78

    Chance Rain Showers

    • 65
    • 86

    Chance Rain Showers

    • 60
    • 81

    Mostly Sunny

    • 65
    • 80

    Partly Sunny

Today 16 Jun Southern New Haven

Mostly cloudy. Highs in the upper 60s. Southeast Winds around 10 Mph.

Tonight 16 Jun Southern New Haven

Mostly cloudy. A slight chance of light rain after midnight. Lows around 60. East Winds 5 to 10 Mph. Chance of rain 20 percent.

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Saint Helena Island Temperature Statistics

June Temperature

New Haven, Tweed-New Haven Airport (5.6 miles)

  • Lowest 3 June, 2025

    48.7 °F

  • Average June

    68.5 °F

  • Highest 12 June, 2025

    88 °F

Climate (2020–Present)

New Haven, Tweed-New Haven Airport (5.6 miles)

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  • Average Low 2020–2025

    47.7 °F

  • Average 2020–2025

    55.8 °F

  • Average High 2020–2025

    63.7 °F
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