Clam Island Weather Forecast

    • 32
    • 37

    Chance Snow

    • 33
    • 40

    Rain/Snow

    • 27
    • 41

    Partly Sunny

    • 34
    • 42

    Rain/Snow Likely

    • 32
    • 45

    Rain

    • 33
    • 41

    Chance Rain

Today 22 Dec Southern New Haven

Mostly sunny. Highs in the upper 30s. Northwest Winds 5 to 10 Mph with Gusts up to 20 Mph, becoming west this afternoon.

Tonight 22 Dec Southern New Haven

Mostly cloudy. A chance of snow after midnight. Lows around 30. West Winds 5 to 10 Mph. Chance of snow 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Clam Island Temperature Statistics

December Temperature

New Haven, Tweed-New Haven Airport (3.7 miles)

  • Lowest 5 December, 2025

    16 °F

  • Average December

    34.6 °F

  • Highest 19 December, 2025

    57.9 °F

Climate (2020–Present)

New Haven, Tweed-New Haven Airport (3.7 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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