Saint Helena Island Weather Forecast

    • 30
    • 41

    Chance Snow

    • 22
    • 34

    Chance Snow

    • 17
    • 33

    Partly Sunny

    • 13
    • 25

    Mostly Sunny

    • 28
    • 36

    Mostly Cloudy

    • 19
    • 38

    Slight Chance Snow

    • 22
    • 31

    Partly Sunny

Today 17 Jan Southern New Haven

Rain and snow. Little or no snow accumulation. Highs in the lower 40s. Southwest Winds 5 to 10 Mph. Chance of precipitation 90 percent.

Tonight 17 Jan Southern New Haven

Mostly cloudy. A chance of snow after midnight. Lows around 30. Southwest Winds 5 to 10 Mph. Chance of snow 30 percent.

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Saint Helena Island Temperature Statistics

January Temperature

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

  • Lowest 1 January, 2026

    21.9 °F

  • Average January

    36.6 °F

  • Highest 9 January, 2026

    51.1 °F

Climate (2021–Present)

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

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  • Average Low 2021–2026

    47.6 °F

  • Average 2021–2026

    55.8 °F

  • Average High 2021–2026

    63.7 °F
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