Watts Island Weather Forecast

    • 61
    • 79

    Mostly Sunny

    • 63
    • 77

    Rain Showers Likely

    • 64
    • 76

    Chance Rain Showers

    • 64
    • 75

    Slight Chance Rain Showers

    • 64
    • 78

    Mostly Sunny

    • 66
    • 78

    Partly Sunny

Today 24 Jun Southern New London

Sunny. Highs in the lower 80s. Northwest Winds 5 to 10 Mph. Gusts up to 20 Mph this afternoon.

Tonight 24 Jun Southern New London

Mostly clear. Lows in the upper 50s. West Winds 5 to 10 Mph.

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Watts Island Temperature Statistics

June Temperature

Groton / New London, Groton / New London Airport (8.7 miles)

  • Lowest 2 June, 2026

    42.1 °F

  • Average June

    66.2 °F

  • Highest 11 June, 2026

    87.1 °F

Climate (2021–2026)

Groton / New London, Groton / New London Airport (8.7 miles)

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  • Average Low 2021–2026

    45.3 °F

  • Average 2021–2026

    53.2 °F

  • Average High 2021–2026

    60.7 °F
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