Seymour Weather Forecast

    • 29
    • 43

    Mostly Cloudy

    • 21
    • 40

    Partly Sunny

    • 27
    • 39

    Partly Sunny

    • 33
    • 48

    Partly Sunny

    • 37
    • 53

    Mostly Cloudy

    • 39
    • 59

    Rain Likely

Today 5 Dec Northern New Haven

Mostly sunny late this Morning, then becoming mostly cloudy. Highs in the lower 40s. Northwest Winds 5 to 10 Mph.

Tonight 5 Dec Northern New Haven

Mostly cloudy. Lows in the upper 20s. North Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Seymour Temperature Statistics

December Temperature

Oxford, Waterbury-Oxford Airport (6.2 miles)

  • Lowest 1 December, 2023

    35.1 °F

  • Average December

    42.9 °F

  • Highest 2 December, 2023

    53.1 °F

Climate (2018–Present)

Oxford, Waterbury-Oxford Airport (6.2 miles)

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  • Average Low 2018–2023

    43 °F

  • Average 2018–2023

    51.2 °F

  • Average High 2018–2023

    59.5 °F
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