Stonington Harbor Weather Forecast

    • 32
    • 53

    Patchy Fog

    • 36
    • 56

    Partly Sunny

    • 39
    • 59

    Mostly Cloudy

    • 43
    • 53

    Rain Showers Likely

    • 28
    • 53

    Rain Showers Likely

    • 35
    • 44

    Chance Rain

    • 31
    • 47

    Mostly Sunny

Today 8 Mar Southern New London

Mostly cloudy. Patchy fog. Visibility one quarter mile or less at Times. Not as cool with Highs in the mid 50s. West Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 8 Mar Southern New London

Mostly cloudy. Patchy fog. Lows in the mid 30s. West Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Stonington Harbor Temperature Statistics

March Temperature

Westerly, Westerly State Airport (5.6 miles)

  • Lowest 3 March, 2026

    8.1 °F

  • Average March

    29.3 °F

  • Highest 4 March, 2026

    45 °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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