Port of Boston Weather Forecast

    • 27
    • 32

    Snow Likely

    • 15
    • 32

    Chance Snow Showers

    • 20
    • 27

    Partly Sunny

    • 18
    • 28

    Mostly Cloudy

    • 16
    • 27

    Partly Sunny

    • 24
    • 31

    Chance Snow

Today 31 Dec Suffolk

Partly sunny. Highs in the lower 30s. Southwest Winds 10 to 15 Mph.

Tonight 31 Dec Suffolk

Mostly cloudy. Snow likely after midnight. Total snow accumulation around an inch. Lows in the mid 20s. Southwest Winds 5 to 10 Mph. Chance of snow 70 percent.

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Port of Boston Temperature Statistics

December Temperature

Boston, Logan International Airport (1.2 miles)

  • Lowest 5 December, 2025

    12 °F

  • Average December

    32 °F

  • Highest 19 December, 2025

    59 °F

Climate (2020–Present)

Boston, Logan International Airport (1.2 miles)

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  • Average Low 2020–2025

    46.9 °F

  • Average 2020–2025

    53.7 °F

  • Average High 2020–2025

    61 °F
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