Boston Harbor - Chelsea Weather Forecast

    • 26
    • 32

    Increasing Clouds

    • 31
    • 35

    Snow

    • 23
    • 38

    Slight Chance Snow

    • 32
    • 40

    Chance Rain

    • 28
    • 38

    Rain Likely

    • 28
    • 38

    Chance Snow

Today 22 Dec Suffolk

Sunny, cooler with Highs in the lower 30s. Northwest Winds 10 to 15 Mph. Gusts up to 30 Mph this morning.

Tonight 22 Dec Suffolk

Partly cloudy in the Evening, then becoming mostly cloudy. Near steady temperature in the upper 20s. Southwest Winds around 5 Mph.

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Boston Harbor - Chelsea Temperature Statistics

December Temperature

Boston, Logan International Airport (1.9 miles)

  • Lowest 5 December, 2025

    12 °F

  • Average December

    32.7 °F

  • Highest 19 December, 2025

    59 °F

Climate (2020–Present)

Boston, Logan International Airport (1.9 miles)

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  • Average Low 2020–2025

    46.9 °F

  • Average 2020–2025

    53.8 °F

  • Average High 2020–2025

    61.1 °F
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