New Haven Harbor - Long Wharf Weather Forecast

    • 58
    • 75

    Chance Rain Showers

    • 61
    • 71

    Chance Rain Showers

    • 62
    • 76

    Slight Chance Rain Showers

    • 54
    • 80

    Mostly Sunny

    • 54
    • 71

    Mostly Sunny

    • 56
    • 71

    Partly Sunny

Today 16 Sep Southern New Haven

Partly sunny. Highs in the mid 70s. Northeast Winds 5 to 10 Mph, becoming east with Gusts up to 20 Mph this afternoon.

Tonight 16 Sep Southern New Haven

Mostly cloudy. A slight chance of Showers after midnight. Lows in the upper 50s. East Winds 5 to 10 Mph. Chance of rain 20 percent.

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New Haven Harbor - Long Wharf Temperature Statistics

September Temperature

New Haven, Tweed-New Haven Airport (2.5 miles)

  • Lowest 8 September, 2025

    51.1 °F

  • Average September

    68.5 °F

  • Highest 6 September, 2025

    82.9 °F

Climate (2020–Present)

New Haven, Tweed-New Haven Airport (2.5 miles)

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  • Average Low 2020–2025

    47.6 °F

  • Average 2020–2025

    55.8 °F

  • Average High 2020–2025

    63.8 °F
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