High Island Weather Forecast

    • 30
    • 43

    Increasing Clouds

    • 40
    • 47

    Rain Likely

    • 40
    • 47

    Rain

    • 30
    • 46

    Chance Rain Showers

    • 30
    • 38

    Partly Sunny

    • 33
    • 41

    Partly Sunny

Today 8 Jan Southern New Haven

Mostly sunny. Highs in the mid 40s. Northwest Winds around 5 Mph.

Tonight 8 Jan Southern New Haven

Partly cloudy in the Evening, then becoming mostly cloudy. Lows in the upper 20s. Light and variable Winds, becoming southeast around 5 Mph after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

High Island Temperature Statistics

January Temperature

New Haven, Tweed-New Haven Airport (6.2 miles)

  • Lowest 1 January, 2026

    21.9 °F

  • Average January

    30.4 °F

  • Highest 6 January, 2026

    41 °F

Climate (2021–Present)

New Haven, Tweed-New Haven Airport (6.2 miles)

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  • Average Low 2021–2026

    47.5 °F

  • Average 2021–2026

    55.8 °F

  • Average High 2021–2026

    63.7 °F
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