Boston Harbor - Boston Main Channel Weather Forecast

    • 46
    • 57

    Decreasing Clouds

    • 43
    • 56

    Partly Sunny

    • 42
    • 52

    Partly Sunny

    • 40
    • 50

    Mostly Cloudy

    • 42
    • 47

    Chance Rain Showers

    • 44
    • 49

    Chance Rain Showers

Today 23 Oct Suffolk

Sunny. Highs around 60. Southwest Winds 10 to 15 Mph.

Tonight 23 Oct Suffolk

Partly cloudy. Near steady temperature in the upper 40s. Southwest Winds 5 to 10 Mph with Gusts up to 20 Mph.

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Boston Harbor - Boston Main Channel Temperature Statistics

October Temperature

Boston, Logan International Airport (0.6 miles)

  • Lowest 10 October, 2025

    41 °F

  • Average October

    58.2 °F

  • Highest 6 October, 2025

    82.9 °F

Climate (2020–Present)

Boston, Logan International Airport (0.6 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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