Boston Harbor - Chelsea Weather Forecast

    • 32
    • 48

    Mostly Cloudy

    • 33
    • 39

    Rain/Snow

    • 34
    • 34

    Rain Likely

    • 42
    • 51

    Chance Rain

    • 38
    • 52

    Partly Sunny

    • 42
    • 58

    Mostly Sunny

Today 4 Mar Suffolk

Mostly sunny. Not as cool with Highs in the upper 40s. West Winds around 5 Mph.

Tonight 4 Mar Suffolk

Partly cloudy in the Evening, then becoming mostly cloudy. Areas of fog after midnight. Lows around 30. Southwest Winds around 5 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

    26.7 °F

  • Highest 1 March, 2026

    39 °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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