Stonington Weather Forecast

    • 31
    • 41

    Increasing Clouds

    • 38
    • 47

    Rain Likely

    • 36
    • 52

    Mostly Cloudy

    • 39
    • 50

    Rain Likely

    • 28
    • 50

    Partly Sunny

    • 30
    • 42

    Partly Sunny

Today 19 Mar Southern New London

Sunny. Highs in the lower 40s. Southeast Winds 5 to 10 Mph.

Tonight 19 Mar Southern New London

Partly cloudy. Lows around 30. Southwest Winds around 5 Mph.

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Stonington Temperature Statistics

March Temperature

Westerly, Westerly State Airport (5.6 miles)

  • Lowest 3 March, 2026

    8.1 °F

  • Average March

    34.8 °F

  • Highest 16 March, 2026

    52 °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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