Seymour Weather Forecast

    • 40
    • 54

    Increasing Clouds

    • 47
    • 66

    Rain Showers

    • 29
    • 53

    Rain Showers

    • 26
    • 42

    Partly Sunny

    • 34
    • 49

    Mostly Cloudy

    • 41
    • 55

    Mostly Cloudy

    • 38
    • 57

    Chance Rain

Today 25 Mar Northern New Haven

Mostly sunny. Near steady temperature in the lower 50s. South Winds 5 to 10 Mph.

Tonight 25 Mar Northern New Haven

Mostly cloudy. Lows in the upper 30s. South Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Seymour Temperature Statistics

March Temperature

Oxford, Waterbury-Oxford Airport (6.2 miles)

  • Lowest 2 March, 2026

    10.9 °F

  • Average March

    39.6 °F

  • Highest 10 March, 2026

    75 °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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