High Island Weather Forecast

    • 70
    • 80

    Rain Showers

    • 64
    • 83

    Rain Showers Likely

    • 63
    • 79

    Mostly Sunny

    • 65
    • 74

    Mostly Sunny

    • 66
    • 74

    Partly Sunny

    • 69
    • 76

    Partly Sunny

Today 21 Jul Southern New Haven

Mostly cloudy. Showers likely with a chance of Thunderstorms in the afternoon. Humid with Highs in the upper 70s. Southeast Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 60 percent.

Tonight 21 Jul Southern New Haven

Showers with a chance of Thunderstorms in the Evening, then Showers likely with a slight chance of Thunderstorms after midnight. Humid with Lows in the upper 60s. South Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 90 percent.

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High Island Temperature Statistics

July Temperature

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

  • Lowest 7 July, 2026

    60.1 °F

  • Average July

    75.3 °F

  • Highest 3 July, 2026

    93.9 °F

Climate (2021–2026)

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

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  • Average Low 2021–2026

    47.3 °F

  • Average 2021–2026

    55.5 °F

  • Average High 2021–2026

    63.4 °F
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