Boston Harbor - Chelsea Weather Forecast

    • 41
    • 65

    Becoming Sunny

    • 41
    • 66

    Mostly Sunny

    • 45
    • 55

    Chance Rain

    • 28
    • 57

    Chance Rain/Snow

    • 35
    • 44

    Chance Rain

    • 30
    • 47

    Mostly Cloudy

Today 9 Mar Suffolk

Sunny. Highs in the mid 60s. Southwest Winds 10 to 15 Mph. Gusts up to 25 Mph in the afternoon.

Tonight 9 Mar Suffolk

Clear. Lows in the upper 30s. Southwest Winds 10 to 15 Mph.

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Boston Harbor - Chelsea Temperature Statistics

March Temperature

Boston, Logan International Airport (1.9 miles)

  • Lowest 2 March, 2026

    12.9 °F

  • Average March

    31.5 °F

  • Highest 4 March, 2026

    50 °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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