Boston Harbor - Boston Main Channel Weather Forecast

    • 27
    • 32

    Increasing Clouds

    • 31
    • 43

    Partly Sunny

    • 44
    • 51

    Rain

    • 27
    • 56

    Rain Likely

    • 32
    • 36

    Slight Chance Rain/Snow

    • 27
    • 43

    Slight Chance Rain

Today 16 Dec Suffolk

Sunny. Highs in the lower 30s. Southwest Winds 5 to 10 Mph.

Tonight 16 Dec Suffolk

Partly cloudy. Near steady temperature in the upper 20s. Southwest Winds 10 to 15 Mph with Gusts up to 25 Mph.

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Boston Harbor - Boston Main Channel Temperature Statistics

December Temperature

Boston, Logan International Airport (0.6 miles)

  • Lowest 5 December, 2025

    12 °F

  • Average December

    31.8 °F

  • Highest 10 December, 2025

    48 °F

Climate (2020–Present)

Boston, Logan International Airport (0.6 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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