New Haven Harbor - Long Wharf Weather Forecast

    • 39
    • 55

    Increasing Clouds

    • 38
    • 53

    Rain

    • 30
    • 45

    Chance Rain

    • 34
    • 45

    Partly Sunny

    • 35
    • 50

    Mostly Cloudy

    • 40
    • 50

    Rain Likely

    • 27
    • 48

    Slight Chance Rain

Today 21 Mar Southern New Haven

Mostly sunny. Highs in the mid 50s. North Winds 5 to 10 Mph with Gusts up to 20 Mph.

Tonight 21 Mar Southern New Haven

Partly cloudy this Evening, then becoming mostly cloudy. Lows in the upper 30s. Northeast Winds 5 to 10 Mph with Gusts up to 20 Mph, becoming southeast after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

New Haven Harbor - Long Wharf Temperature Statistics

March Temperature

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

  • Lowest 3 March, 2026

    15.1 °F

  • Average March

    38.2 °F

  • Highest 9 March, 2026

    63 °F

Climate (2021–Present)

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

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  • Average Low 2021–2026

    47.4 °F

  • Average 2021–2026

    55.6 °F

  • Average High 2021–2026

    63.6 °F
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