Stonington Harbor Weather Forecast

    • 36
    • 54

    Rain Showers

    • 31
    • 49

    Slight Chance Rain Showers

    • 38
    • 49

    Partly Sunny

    • 39
    • 54

    Partly Sunny

    • 43
    • 60

    Partly Sunny

    • 42
    • 59

    Partly Sunny

Today 19 Apr Southern New London

Patchy fog in the morning. Showers. Highs in the mid 50s. Southeast Winds 5 to 10 Mph with Gusts up to 20 Mph, becoming northwest 10 to 15 Mph with Gusts up to 30 Mph in the afternoon. Chance of rain 90 percent.

Tonight 19 Apr Southern New London

Partly cloudy with a chance of Showers in the Evening, then mostly clear after midnight. Lows in the upper 30s. Northwest Winds 10 to 15 Mph with Gusts up to 25 Mph, becoming west around 5 Mph after midnight. Chance of rain 50 percent.

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Stonington Harbor Temperature Statistics

April Temperature

Westerly, Westerly State Airport (5.6 miles)

  • Lowest 9 April, 2026

    25 °F

  • Average April

    47.2 °F

  • Highest 16 April, 2026

    79 °F

Climate (2021–Present)

Westerly, Westerly State Airport (5.6 miles)

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  • Average Low 2021–2026

    44.2 °F

  • Average 2021–2026

    52.4 °F

  • Average High 2021–2026

    60.3 °F
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