Hay Harbor Weather Forecast

    • 28
    • 35

    Chance Rain

    • 33
    • 43

    Rain

    • 22
    • 36

    Mostly Sunny

    • 37
    • 40

    Chance Rain/Snow

    • 32
    • 46

    Mostly Cloudy

    • 26
    • 37

    Partly Sunny

Today 30 Jan Northeast Suffolk

Sunny. Highs in the mid 30s. West Winds 15 to 20 Mph with Gusts up to 30 Mph.

Tonight 30 Jan Northeast Suffolk

Partly cloudy in the Evening, then mostly cloudy with a slight chance of rain after midnight. Lows in the upper 20s. Southwest Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 20 percent.

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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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