Stonington Harbor Weather Forecast

    • 41
    • 53

    Increasing Clouds

    • 49
    • 61

    Chance Rain Showers

    • 52
    • 69

    Slight Chance Thunderstorms

    • 53
    • 70

    Mostly Cloudy

    • 52
    • 70

    Chance Rain Showers

    • 48
    • 66

    Slight Chance Rain Showers

Today 12 Apr Southern New London

Sunny. Highs in the lower 50s. Northeast Winds around 5 Mph, becoming south with Gusts up to 20 Mph in the afternoon.

Tonight 12 Apr Southern New London

Mostly cloudy with a 30 percent chance of Showers. Lows in the lower 40s. South Winds 5 to 10 Mph with Gusts up to 20 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Stonington Harbor Temperature Statistics

April Temperature

Westerly, Westerly State Airport (5.6 miles)

  • Lowest 9 April, 2026

    25 °F

  • Average April

    43.7 °F

  • Highest 4 April, 2026

    63 °F

Climate (2021–Present)

Westerly, Westerly State Airport (5.6 miles)

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  • Average Low 2021–2026

    44.1 °F

  • Average 2021–2026

    52.4 °F

  • Average High 2021–2026

    60.3 °F
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