Thimble Islands Weather Forecast

    • 64
    • 77

    Slight Chance Rain Showers

    • 53
    • 73

    Mostly Sunny

    • 57
    • 71

    Mostly Sunny

    • 65
    • 75

    Mostly Sunny

    • 66
    • 76

    Slight Chance Rain Showers

    • 61
    • 75

    Partly Sunny

    • 62
    • 71

    Chance Rain Showers

Today 13 Sep Southern New Haven

Mostly cloudy with a 40 percent chance of Showers. Highs in the upper 70s. North Winds around 5 Mph.

Tonight 13 Sep Southern New Haven

Partly cloudy in the Evening, then becoming mostly cloudy. Humid with Lows in the lower 60s. West Winds 5 to 10 Mph with Gusts up to 20 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Thimble Islands Temperature Statistics

September Temperature

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

  • Lowest 7 September, 2026

    52 °F

  • Average September

    70.2 °F

  • Highest 10 September, 2026

    84 °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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