Groton Long Point Main Beach Weather Forecast

    • 39
    • 44

    Increasing Clouds

    • 45
    • 50

    Rain

    • 28
    • 48

    Chance Rain

    • 30
    • 38

    Mostly Sunny

    • 36
    • 44

    Partly Sunny

    • 42
    • 48

    Slight Chance Rain

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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Groton Long Point Main Beach Temperature Statistics

March Temperature

Groton / New London, Groton / New London Airport (1.9 miles)

  • Lowest 3 March, 2026

    12 °F

  • Average March

    38.3 °F

  • Highest 9 March, 2026

    63 °F

Climate (2021–Present)

Groton / New London, Groton / New London Airport (1.9 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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