Stonington Harbor Weather Forecast

    • 39
    • 64

    Becoming Sunny

    • 35
    • 56

    Sunny

    • 38
    • 57

    Mostly Sunny

    • 44
    • 60

    Mostly Sunny

    • 47
    • 64

    Mostly Sunny

    • 42
    • 60

    Partly Sunny

Today 22 Oct Southern New London

Mostly sunny. Highs in the mid 60s. North Winds 15 to 20 Mph with Gusts up to 30 Mph.

Tonight 22 Oct Southern New London

Clear. Lows in the upper 30s. North Winds 10 to 15 Mph.

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Stonington Harbor Temperature Statistics

October Temperature

Westerly, Westerly State Airport (5.6 miles)

  • Lowest 18 October, 2026

    34 °F

  • Average October

    56.9 °F

  • Highest 14 October, 2026

    78.1 °F

Climate (2021–2026)

Westerly, Westerly State Airport (5.6 miles)

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  • Average Low 2021–2026

    44.2 °F

  • Average 2021–2026

    52.5 °F

  • Average High 2021–2026

    60.4 °F
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