Seymour Weather Forecast

    • 61
    • 84

    Chance Rain Showers

    • 58
    • 83

    Chance Rain Showers

    • 53
    • 79

    Chance Rain Showers

    • 50
    • 68

    Chance Rain Showers

    • 38
    • 65

    Chance Rain Showers

    • 31
    • 51

    Partly Sunny

Today 15 Apr Northern New Haven

Partly sunny. A chance of Showers this afternoon. Highs in the lower 80s. Southwest Winds 5 to 10 Mph. Chance of rain 40 percent.

Tonight 15 Apr Northern New Haven

Mostly cloudy with a chance of Showers and Thunderstorms. Lows around 60. South Winds around 5 Mph. Chance of rain 50 percent.

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Seymour Temperature Statistics

April Temperature

Oxford, Waterbury-Oxford Airport (6.2 miles)

  • Lowest 8 April, 2026

    23 °F

  • Average April

    45.6 °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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