Mystic Harbor - Spence Point Weather Forecast

    • 32
    • 40

    Cloudy

    • 42
    • 48

    Rain Showers Likely

    • 36
    • 57

    Mostly Cloudy

    • 40
    • 55

    Partly Sunny

    • 41
    • 57

    Mostly Cloudy

    • 36
    • 52

    Rain Likely

    • 28
    • 46

    Slight Chance Rain

Today 6 Mar Southern New London

Cloudy. Highs in the lower 40s. Northeast Winds 5 to 10 Mph with Gusts up to 20 Mph.

Tonight 6 Mar Southern New London

Cloudy. Lows in the lower 30s. Northeast Winds around 5 Mph.

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Mystic Harbor - Spence Point Temperature Statistics

March Temperature

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

  • Lowest 3 March, 2026

    12 °F

  • Average March

    29.6 °F

  • Highest 4 March, 2026

    45 °F

Climate (2021–Present)

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