Winthrop Beach Weather Forecast

    • 46
    • 46

    Chance Rain

    • 31
    • 52

    Rain

    • 37
    • 44

    Chance Rain

    • 32
    • 47

    Partly Sunny

    • 43
    • 49

    Rain

    • 30
    • 57

    Rain

Today 11 Mar Suffolk

Mostly cloudy with a 20 percent chance of rain. Patchy fog in the morning. Much cooler with Highs in the upper 40s. Northeast Winds 5 to 10 Mph.

Tonight 11 Mar Suffolk

Mostly cloudy. Lows in the lower 40s. West Winds around 5 Mph.

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Winthrop Beach Temperature Statistics

March Temperature

Boston, Logan International Airport (1.9 miles)

  • Lowest 2 March, 2026

    12.7 °F

  • Average March

    35.4 °F

  • Highest 8 March, 2026

    59 °F

Climate (2021–Present)

Boston, Logan International Airport (1.9 miles)

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  • Average Low 2021–2026

    46.8 °F

  • Average 2021–2026

    53.7 °F

  • Average High 2021–2026

    61 °F
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