West Haven Weather Forecast

    • 25
    • 33

    Partly Sunny

    • 28
    • 44

    Partly Sunny

    • 45
    • 51

    Rain

    • 26
    • 52

    Partly Sunny

    • 32
    • 40

    Chance Rain

    • 27
    • 45

    Slight Chance Rain

Today 16 Dec Southern New Haven

Sunny. Highs in the lower 30s. West Winds around 5 Mph.

Tonight 16 Dec Southern New Haven

Partly cloudy in the Evening, then clearing. Lows in the mid 20s. Southwest Winds 5 to 10 Mph. Gusts up to 20 Mph after midnight.

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West Haven Temperature Statistics

December Temperature

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

  • Lowest 5 December, 2025

    16 °F

  • Average December

    34.1 °F

  • Highest 10 December, 2025

    50 °F

Climate (2020–Present)

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

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  • Average Low 2020–2025

    47.6 °F

  • Average 2020–2025

    55.8 °F

  • Average High 2020–2025

    63.7 °F
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