Hay Harbor Weather Forecast

    • 21
    • 42

    Slight Chance Rain Showers

    • 32
    • 35

    Partly Sunny

    • 32
    • 42

    Rain

    • 23
    • 37

    Partly Sunny

    • 36
    • 40

    Chance Rain/Snow

    • 32
    • 45

    Mostly Cloudy

Today 29 Jan Northeast Suffolk

Partly sunny with a 20 percent chance of Showers. Windy with Highs in the mid 40s. West Winds 20 to 30 Mph with Gusts up to 45 Mph.

Tonight 29 Jan Northeast Suffolk

Partly cloudy in the Evening, then becoming mostly clear. Light freezing spray after midnight. Windy with Lows in the lower 20s. Northwest Winds 20 to 30 Mph with Gusts up to 45 Mph.

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Hay Harbor Temperature Statistics

January Temperature

Groton / New London, Groton / New London Airport (4.3 miles)

  • Lowest 22 January, 2025

    5.8 °F

  • Average January

    29.1 °F

  • Highest 1 January, 2025

    51.7 °F

Climate (2020–Present)

Groton / New London, Groton / New London Airport (4.3 miles)

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  • Average Low 2020–2025

    45.6 °F

  • Average 2020–2025

    53.4 °F

  • Average High 2020–2025

    61 °F
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