Thimble Islands Weather Forecast

    • 54
    • 66

    Mostly Cloudy

    • 52
    • 68

    Decreasing Clouds

    • 53
    • 68

    Partly Sunny

    • 57
    • 67

    Chance Rain Showers

    • 58
    • 64

    Chance Rain Showers

    • 58
    • 66

    Chance Rain Showers

    • 58
    • 67

    Slight Chance Rain Showers

Today 22 Sep Southern New Haven

Mostly sunny. Highs around 70.

Tonight 22 Sep Southern New Haven

Mostly cloudy in the Evening, then becoming partly cloudy. Lows around 50. Northeast Winds 10 to 15 Mph with Gusts up to 25 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

    69.1 °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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