New Haven Weather Forecast

    • 12
    • 28

    Decreasing Clouds

    • 30
    • 35

    Mostly Cloudy

    • 31
    • 46

    Rain Likely

    • 24
    • 40

    Partly Sunny

    • 23
    • 37

    Chance Snow

    • 19
    • 35

    Slight Chance Snow

Today 8 Dec Southern New Haven

Partly sunny. Cold with Highs in the upper 20s. North Winds 10 to 15 Mph.

Tonight 8 Dec Southern New Haven

Mostly cloudy in the Evening, then clearing. Lows around 13. North Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

New Haven Temperature Statistics

December Temperature

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

  • Lowest 5 December, 2025

    16 °F

  • Average December

    34.4 °F

  • Highest 1 December, 2025

    44.1 °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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