Seymour Weather Forecast

    • 25
    • 34

    Chance Wintry Mix

    • 22
    • 40

    Mostly Cloudy

    • 15
    • 34

    Partly Sunny

    • 19
    • 35

    Mostly Sunny

    • 17
    • 39

    Partly Sunny

    • 27
    • 38

    Chance Snow

Today 10 Feb Northern New Haven

Mostly cloudy. A chance of snow this afternoon. Highs in the lower 30s. Southwest Winds around 5 Mph. Chance of snow 30 percent.

Tonight 10 Feb Northern New Haven

Freezing Rain, snow and sleet likely in the Evening, then a slight chance of freezing rain and snow after midnight. Snow and sleet accumulation around an inch. Ice accumulation around a trace. Lows in the mid 20s. South Winds around 5 Mph, becoming west after midnight. Chance of precipitation 70 percent.

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Seymour Temperature Statistics

February Temperature

Oxford, Waterbury-Oxford Airport (6.2 miles)

  • Lowest 7 February, 2026

    -0.9 °F

  • Average February

    18.7 °F

  • Highest 5 February, 2026

    34 °F

Climate (2021–Present)

Oxford, Waterbury-Oxford Airport (6.2 miles)

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  • Average Low 2021–2026

    42.6 °F

  • Average 2021–2026

    51 °F

  • Average High 2021–2026

    59.4 °F
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