New Haven Harbor - Long Wharf Weather Forecast

    • 54
    • 69

    Chance Rain

    • 52
    • 64

    Chance Rain

    • 49
    • 65

    Mostly Cloudy

    • 50
    • 65

    Chance Rain Showers

    • 51
    • 65

    Chance Rain Showers

    • 52
    • 67

    Chance Rain Showers

Today 21 Sep Southern New Haven

Partly sunny. Highs in the upper 60s. North Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 21 Sep Southern New Haven

Mostly cloudy. A slight chance of rain after midnight. Lows in the lower 50s. Northeast Winds 5 to 10 Mph. Gusts up to 20 Mph after midnight. 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 7 September, 2026

    52 °F

  • Average September

    69.6 °F

  • Highest 10 September, 2026

    84 °F

Climate (2021–2026)

New Haven, Tweed-New Haven Airport (2.5 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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