Seymour Weather Forecast

    • 35
    • 52

    Rain Showers

    • 29
    • 51

    Slight Chance Rain Showers

    • 39
    • 53

    Slight Chance Rain Showers

    • 39
    • 60

    Partly Sunny

    • 45
    • 68

    Partly Sunny

    • 44
    • 67

    Partly Sunny

Today 19 Apr Northern New Haven

Patchy fog this morning. Showers. Highs in the lower 50s. North Winds 5 to 10 Mph with Gusts up to 20 Mph, becoming northwest 10 to 15 Mph with Gusts up to 30 Mph this afternoon. Chance of rain near 100 percent.

Tonight 19 Apr Northern New Haven

Partly cloudy with a chance of rain Showers in the Evening, then clear after midnight. Lows in the mid 30s. West Winds 5 to 10 Mph. Gusts up to 20 Mph in the evening. Chance of rain 40 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

    50.1 °F

  • Highest 16 April, 2026

    84 °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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