Seymour Weather Forecast

    • 40
    • 50

    Rain Showers Likely

    • 44
    • 67

    Partly Sunny

    • 40
    • 62

    Chance Rain Showers

    • 39
    • 55

    Chance Rain Showers

    • 40
    • 61

    Mostly Cloudy

    • 43
    • 62

    Chance Rain Showers

Today 22 Apr Northern New Haven

Cloudy. Showers Likely, mainly this morning. Highs in the upper 40s. South Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of rain 60 percent.

Tonight 22 Apr Northern New Haven

Mostly cloudy. Lows in the upper 30s. East Winds around 5 Mph, becoming northwest 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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