Mystic Harbor - Spence Point Weather Forecast

    • 35
    • 58

    Mostly Sunny

    • 47
    • 59

    Partly Sunny

    • 54
    • 65

    Mostly Sunny

    • 43
    • 70

    Mostly Sunny

    • 41
    • 61

    Mostly Cloudy

    • 51
    • 62

    Chance Rain Showers

    • 51
    • 65

    Chance Rain Showers

Today 27 Oct Southern New London

Partly sunny with a 30 percent chance of Showers. Highs in the lower 60s.

Tonight 27 Oct Southern New London

Mostly clear in the Evening, then becoming partly cloudy. Areas of frost after midnight. Lows in the mid 30s. Northeast Winds around 5 Mph.

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Mystic Harbor - Spence Point Temperature Statistics

October Temperature

Groton / New London, Groton / New London Airport (3.7 miles)

  • Lowest 18 October, 2026

    32 °F

  • Average October

    55.5 °F

  • Highest 14 October, 2026

    75 °F

Climate (2021–2026)

Groton / New London, Groton / New London Airport (3.7 miles)

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  • Average Low 2021–2026

    45.1 °F

  • Average 2021–2026

    53.1 °F

  • Average High 2021–2026

    60.7 °F
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