Rocky Neck State Park Weather Forecast

    • 38
    • 49

    Increasing Clouds

    • 45
    • 56

    Mostly Cloudy

    • 26
    • 50

    Chance Rain

    • 29
    • 41

    Mostly Sunny

    • 34
    • 47

    Partly Sunny

    • 37
    • 52

    Partly Sunny

Today 25 Mar Southern New London

Partly sunny. Highs in the upper 40s. Southwest Winds 5 to 10 Mph.

Tonight 25 Mar Southern New London

Mostly cloudy. Lows in the upper 30s. South Winds 5 to 10 Mph.

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Rocky Neck State Park Temperature Statistics

March Temperature

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

  • Lowest 3 March, 2026

    12 °F

  • Average March

    38.2 °F

  • Highest 9 March, 2026

    63 °F

Climate (2021–Present)

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

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  • Average Low 2021–2026

    45.3 °F

  • Average 2021–2026

    53.2 °F

  • Average High 2021–2026

    60.8 °F
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