Boston Harbor - Chelsea Weather Forecast

    • 32
    • 40

    Rain/Sleet

    • 34
    • 37

    Snow Likely

    • 44
    • 45

    Chance Rain

    • 37
    • 53

    Partly Sunny

    • 45
    • 58

    Mostly Sunny

    • 42
    • 62

    Slight Chance Rain

    • 42
    • 60

    Chance Rain

Today 5 Mar Suffolk

Cloudy with a 50 percent chance of rain. Near steady temperature in the upper 30s. Northeast Winds 10 to 15 Mph with Gusts up to 30 Mph.

Tonight 5 Mar Suffolk

Rain, Sleet, snow with a chance of freezing rain in the Evening, then Snow, a chance of rain and freezing rain after midnight. Snow and sleet accumulation of 2 to 4 Inches. Lows in the lower 30s. Northeast Winds 10 to 15 Mph with Gusts up to 30 Mph. Chance of precipitation near 100 percent.

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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

    26.6 °F

  • Highest 1 March, 2026

    40.6 °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

    53.6 °F

  • Average High 2021–2026

    61 °F
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