West Haven Weather Forecast

    • 67
    • 84

    Slight Chance Thunderstorms

    • 54
    • 84

    Rain Showers

    • 50
    • 67

    Partly Sunny

    • 49
    • 65

    Mostly Cloudy

    • 50
    • 60

    Rain Showers Likely

    • 52
    • 64

    Chance Rain Showers

Today 19 May Southern New Haven

Mostly sunny. Highs in the upper 80s. Southwest Winds 5 to 10 Mph. Gusts up to 25 Mph in the afternoon.

Tonight 19 May Southern New Haven

Mostly cloudy with a slight chance of Showers and Thunderstorms in the Evening, then partly cloudy after midnight. Lows in the upper 60s. Southwest Winds 5 to 10 Mph. Gusts up to 20 Mph in the evening. Chance of rain 20 percent.

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West Haven Temperature Statistics

May Temperature

New Haven, Tweed-New Haven Airport (3.1 miles)

  • Lowest 4 May, 2026

    39 °F

  • Average May

    55.1 °F

  • Highest 16 May, 2026

    70 °F

Climate (2021–Present)

New Haven, Tweed-New Haven Airport (3.1 miles)

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  • Average Low 2021–2026

    47.4 °F

  • Average 2021–2026

    55.6 °F

  • Average High 2021–2026

    63.4 °F
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