Boston Harbor - Chelsea Weather Forecast

    • 48
    • 58

    Chance Rain Showers

    • 38
    • 63

    Rain Showers Likely

    • 38
    • 42

    Chance Rain

    • 52
    • 64

    Chance Rain

    • 44
    • 67

    Chance Rain

    • 45
    • 68

    Chance Rain

Today 31 Mar Suffolk

Mostly cloudy. Showers likely with a slight chance of Thunderstorms in the Morning, then a chance of Showers with a slight chance of Thunderstorms in the afternoon. Highs in the lower 60s. Southwest Winds 5 to 10 Mph, becoming north with Gusts up to 20 Mph in the afternoon. Chance of rain 60 percent.

Tonight 31 Mar Suffolk

Mostly cloudy with a chance of Showers. Lows in the mid 40s. East Winds 5 to 10 Mph, becoming southwest with Gusts up to 25 Mph after midnight. Chance of rain 50 percent.

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Boston Harbor - Chelsea Temperature Statistics

March Temperature

Boston, Logan International Airport (1.9 miles)

  • Lowest 2 March, 2026

    12.7 °F

  • Average March

    41.3 °F

  • Highest 10 March, 2026

    75.7 °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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