Sumac Island Weather Forecast

    • 19
    • 30

    Snow Likely

    • 29
    • 39

    Snow

    • 27
    • 38

    Snow Likely

    • 27
    • 37

    Partly Sunny

    • 30
    • 41

    Partly Sunny

    • 17
    • 39

    Partly Sunny

Today 24 Feb Southern New Haven

Patchy blowing snow early. Partly cloudy. Highs around 30. Northwest Winds 5 to 10 Mph with Gusts up to 20 Mph.

Tonight 24 Feb Southern New Haven

Partly cloudy in the Evening, then mostly cloudy with snow likely after midnight. Snow accumulation around an inch. Lows around 17. Temperature rising into the mid 20s after midnight. West Winds around 5 Mph, becoming south after midnight. Chance of snow 60 percent.

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Sumac Island Temperature Statistics

February Temperature

New Haven, Tweed-New Haven Airport (3.7 miles)

  • Lowest 8 February, 2026

    1 °F

  • Average February

    27.2 °F

  • Highest 21 February, 2026

    44.1 °F

Climate (2021–Present)

New Haven, Tweed-New Haven Airport (3.7 miles)

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  • Average Low 2021–2026

    47.5 °F

  • Average 2021–2026

    55.7 °F

  • Average High 2021–2026

    63.6 °F
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