Waterbury Weather Forecast

    • 54
    • 78

    Mostly Sunny

    • 58
    • 79

    Partly Sunny

    • 67
    • 80

    Chance Rain Showers

    • 58
    • 81

    Chance Rain Showers

    • 53
    • 74

    Mostly Sunny

    • 57
    • 76

    Partly Sunny

Today 7 Sep Northern New Haven

Sunny. Highs in the upper 70s. Northwest Winds 5 to 10 Mph.

Tonight 7 Sep Northern New Haven

Mostly clear. Lows in the mid 50s. Northwest Winds around 5 Mph.

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  • Temperature Real-Time

Waterbury Temperature Statistics

September Temperature

Oxford, Waterbury-Oxford Airport (6.2 miles)

  • Lowest 1 September, 2026

    60.1 °F

  • Average September

    68.5 °F

  • Highest 3 September, 2026

    80.1 °F

Climate (2021–2026)

Oxford, Waterbury-Oxford Airport (6.2 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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