Seymour Weather Forecast

    • 27
    • 51

    Decreasing Clouds

    • 39
    • 53

    Partly Sunny

    • 41
    • 57

    Mostly Cloudy

    • 44
    • 67

    Partly Sunny

    • 42
    • 65

    Partly Sunny

    • 43
    • 62

    Chance Rain Showers

Today 20 Apr Northern New Haven

Widespread frost this morning. Partly sunny with a 20 percent chance of rain Showers. Highs around 50. Northwest Winds 5 to 10 Mph.

Tonight 20 Apr Northern New Haven

Partly cloudy in the Evening, then becoming mostly clear. Widespread frost after midnight. Cold with Lows in the mid 20s. Northwest Winds 5 to 10 Mph.

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Seymour Temperature Statistics

April Temperature

Oxford, Waterbury-Oxford Airport (6.2 miles)

  • Lowest 8 April, 2026

    23 °F

  • Average April

    51 °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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