Commonwealth Weather Forecast

    • 9
    • 37

    Becoming Sunny

    • 19
    • 26

    Chance Snow

    • 25
    • 37

    Chance Snow

    • 17
    • 38

    Partly Sunny

    • 11
    • 25

    Mostly Sunny

    • 25
    • 33

    Chance Snow

Today 4 Dec Suffolk

Partly sunny. Highs in the upper 30s. West Winds 15 to 20 Mph. Gusts up to 25 Mph, increasing to 35 Mph this afternoon.

Tonight 4 Dec Suffolk

Mostly clear. Much Colder with Lows around 11. Northwest Winds 15 to 20 Mph. Gusts up to 40 Mph, decreasing to 30 Mph after midnight.

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Commonwealth Temperature Statistics

December Temperature

Boston, Logan International Airport (7.5 miles)

  • Lowest 1 December, 2025

    28.9 °F

  • Average December

    35.9 °F

  • Highest 1 December, 2025

    43 °F

Climate (2020–Present)

Boston, Logan International Airport (7.5 miles)

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  • Average Low 2020–2025

    47 °F

  • Average 2020–2025

    53.8 °F

  • Average High 2020–2025

    61.1 °F
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