Rocky Neck State Park Weather Forecast

    • 6
    • 34

    Becoming Sunny

    • 9
    • 17

    Partly Sunny

    • 20
    • 28

    Snow

    • 10
    • 30

    Snow Likely

    • 10
    • 24

    Partly Sunny

    • 9
    • 25

    Partly Sunny

Today 23 Jan Southern New London

Mostly sunny. Highs in the lower 30s. West Winds 10 to 15 Mph with Gusts up to 30 Mph.

Tonight 23 Jan Southern New London

Partly cloudy in the Evening, then becoming mostly clear. Much Colder with Lows around 6 above. Northwest Winds 10 to 15 Mph with Gusts up to 35 Mph. Wind chill Values as low as 9 below after midnight.

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Rocky Neck State Park Temperature Statistics

January Temperature

Groton / New London, Groton / New London Airport (9.9 miles)

  • Lowest 21 January, 2026

    10 °F

  • Average January

    32.6 °F

  • Highest 8 January, 2026

    50 °F

Climate (2021–Present)

Groton / New London, Groton / New London Airport (9.9 miles)

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  • Average Low 2021–2026

    45.4 °F

  • Average 2021–2026

    53.3 °F

  • Average High 2021–2026

    60.9 °F
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