Seymour Weather Forecast

    • 24
    • 37

    Partly Sunny

    • 31
    • 43

    Partly Sunny

    • 39
    • 54

    Chance Rain

    • 39
    • 55

    Chance Rain

    • 36
    • 59

    Chance Rain/Snow

    • 26
    • 49

    Mostly Sunny

Today 18 Mar Northern New Haven

Partly sunny. Near steady temperature in the mid 30s. South Winds around 5 Mph.

Tonight 18 Mar Northern New Haven

Mostly clear in the Evening, then becoming partly cloudy. Lows in the mid 20s. South Winds around 5 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

    40.6 °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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