Ansonia Weather Forecast

    • 50
    • 74

    Mostly Sunny

    • 54
    • 70

    Mostly Sunny

    • 60
    • 77

    Partly Sunny

    • 64
    • 78

    Partly Sunny

    • 57
    • 79

    Chance Rain Showers

    • 57
    • 75

    Mostly Cloudy

Today 14 Sep Northern New Haven

Mostly Cloudy, then becoming mostly sunny this Morning, then becoming sunny. Highs in the lower 70s. North Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 14 Sep Northern New Haven

Clear. Lows in the upper 40s. North Winds 5 to 10 Mph. Gusts up to 20 Mph in the evening.

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Ansonia Temperature Statistics

September Temperature

Oxford, Waterbury-Oxford Airport (9.3 miles)

  • Lowest 7 September, 2026

    48.9 °F

  • Average September

    66.5 °F

  • Highest 10 September, 2026

    82 °F

Climate (2021–2026)

Oxford, Waterbury-Oxford Airport (9.3 miles)

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  • Average Low 2021–2026

    42.6 °F

  • Average 2021–2026

    51 °F

  • Average High 2021–2026

    59.4 °F
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