Mystic Harbor - Spence Point Weather Forecast

    • 47
    • 58

    Rain

    • 44
    • 54

    Rain

    • 47
    • 61

    Chance Rain Showers

    • 48
    • 62

    Slight Chance Rain Showers

    • 50
    • 66

    Partly Sunny

    • 53
    • 68

    Chance Rain Showers

Today 21 May Southern New London

Mostly cloudy. A slight chance of Showers this Morning, then a slight chance of rain this afternoon. Highs in the upper 50s. East Winds 10 to 15 Mph. Chance of rain 20 percent.

Tonight 21 May Southern New London

Rain. Lows in the upper 40s. East Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 90 percent.

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Mystic Harbor - Spence Point Temperature Statistics

May Temperature

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

  • Lowest 12 May, 2025

    40.6 °F

  • Average May

    59.9 °F

  • Highest 11 May, 2025

    75.7 °F

Climate (2020–Present)

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

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  • Average Low 2020–2025

    45.7 °F

  • Average 2020–2025

    53.6 °F

  • Average High 2020–2025

    61.2 °F
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