Thimble Islands Weather Forecast

    • 59
    • 79

    Mostly Sunny

    • 64
    • 81

    Partly Sunny

    • 71
    • 81

    Mostly Cloudy

    • 65
    • 83

    Chance Rain Showers

    • 62
    • 74

    Mostly Sunny

    • 66
    • 75

    Partly Sunny

Today 7 Sep Southern New Haven

Sunny. Highs around 80. Northwest Winds 5 to 10 Mph. Gusts up to 20 Mph this morning.

Tonight 7 Sep Southern New Haven

Mostly clear. Lows in the upper 50s. Northwest Winds around 5 Mph.

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Thimble Islands Temperature Statistics

September Temperature

New Haven, Tweed-New Haven Airport (6.8 miles)

  • Lowest 5 September, 2026

    62.1 °F

  • Average September

    71.3 °F

  • Highest 4 September, 2026

    82.9 °F

Climate (2021–2026)

New Haven, Tweed-New Haven Airport (6.8 miles)

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  • Average Low 2021–2026

    47.2 °F

  • Average 2021–2026

    55.5 °F

  • Average High 2021–2026

    63.3 °F
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