Thimble Islands Weather Forecast

    • 65
    • 75

    Patchy Fog

    • 68
    • 80

    Chance Rain Showers

    • 55
    • 79

    Mostly Sunny

    • 60
    • 69

    Mostly Cloudy

    • 59
    • 68

    Rain Showers Likely

    • 58
    • 67

    Chance Rain Showers

    • 57
    • 67

    Slight Chance Rain Showers

Today 16 Sep Southern New Haven

Partly sunny. Highs in the upper 60s.

Tonight 16 Sep Southern New Haven

Partly cloudy. Patchy fog. Lows in the lower 60s. Southwest Winds around 5 Mph this Evening, becoming light and variable.

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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

    69.9 °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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