Mason's Island Weather Forecast

    • 34
    • 51

    Sunny

    • 40
    • 55

    Sunny

    • 45
    • 55

    Slight Chance Rain Showers

    • 50
    • 60

    Mostly Cloudy

    • 50
    • 66

    Mostly Cloudy

    • 51
    • 62

    Chance Rain Showers

    • 51
    • 65

    Partly Sunny

Today 25 Apr Southern New London

Sunny. Highs in the lower 50s. South Winds 5 to 10 Mph.

Tonight 25 Apr Southern New London

Clear. Areas of frost after midnight. Lows in the lower 30s. South Winds 5 to 10 Mph, becoming southeast after midnight.

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Mason's Island Temperature Statistics

April Temperature

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

  • Lowest 8 April, 2024

    31.7 °F

  • Average April

    48.3 °F

  • Highest 16 April, 2024

    68.6 °F

Climate (2019–Present)

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

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  • Average Low 2019–2024

    45.8 °F

  • Average 2019–2024

    53.5 °F

  • Average High 2019–2024

    60.8 °F
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