Seymour Weather Forecast

    • 44
    • 57

    Chance Rain Showers

    • 57
    • 75

    Chance Rain Showers

    • 59
    • 81

    Slight Chance Thunderstorms

    • 61
    • 84

    Chance Rain Showers

    • 58
    • 82

    Chance Rain Showers

    • 51
    • 74

    Chance Rain Showers

Today 12 Apr Northern New Haven

Areas of frost in the morning. Mostly sunny. Highs in the mid 50s. Northeast Winds around 5 Mph, becoming south with Gusts up to 25 Mph in the afternoon.

Tonight 12 Apr Northern New Haven

Mostly cloudy with a 30 percent chance of Showers. Lows in the lower 40s. South Winds 5 to 10 Mph. Gusts up to 20 Mph in the evening.

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Seymour Temperature Statistics

April Temperature

Oxford, Waterbury-Oxford Airport (6.2 miles)

  • Lowest 8 April, 2026

    23 °F
  • Average April

    45.1 °F
  • Highest 1 April, 2026

    73 °F

Climate (2021–Present)

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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