Ansonia Weather Forecast

    • 24
    • 41

    Chance Flurries

    • 21
    • 40

    Slight Chance Snow

    • 12
    • 30

    Mostly Sunny

    • 27
    • 35

    Mostly Cloudy

    • 32
    • 45

    Rain Likely

    • 23
    • 42

    Chance Rain

Today 6 Dec Northern New Haven

Mostly cloudy. A slight chance of snow this morning. Highs in the upper 30s. Northwest Winds around 5 Mph, becoming southwest around 5 Mph this afternoon. Chance of snow 20 percent.

Tonight 6 Dec Northern New Haven

Partly cloudy in the Evening, then becoming mostly clear. Lows in the mid 20s. Northwest Winds around 5 Mph.

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Ansonia Temperature Statistics

December Temperature

Oxford, Waterbury-Oxford Airport (9.3 miles)

  • Lowest 4 December, 2025

    16 °F

  • Average December

    30.4 °F

  • Highest 1 December, 2025

    37.9 °F

Climate (2020–Present)

Oxford, Waterbury-Oxford Airport (9.3 miles)

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  • Average Low 2020–2025

    42.8 °F

  • Average 2020–2025

    51.1 °F

  • Average High 2020–2025

    59.5 °F
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