Seymour Weather Forecast

    • 41
    • 69

    Sunny

    • 43
    • 67

    Partly Sunny

    • 47
    • 64

    Rain Showers

    • 41
    • 57

    Chance Rain Showers

    • 40
    • 57

    Chance Rain Showers

    • 38
    • 58

    Chance Rain Showers

Today 27 Apr Northern New Haven

Sunny. Highs in the upper 60s. Northeast Winds 5 to 10 Mph.

Tonight 27 Apr Northern New Haven

Mostly clear. Lows in the lower 40s. South Winds around 5 Mph, becoming north after midnight.

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Seymour Temperature Statistics

April Temperature

Oxford, Waterbury-Oxford Airport (6.2 miles)

  • Lowest 8 April, 2026

    23 °F

  • Average April

    50.7 °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

    42.7 °F

  • Average 2021–2026

    51 °F

  • Average High 2021–2026

    59.4 °F
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