Boston Harbor - Boston Main Channel Weather Forecast

    • 44
    • 55

    Becoming Sunny

    • 54
    • 67

    Mostly Sunny

    • 43
    • 68

    Mostly Sunny

    • 39
    • 56

    Mostly Sunny

    • 47
    • 60

    Partly Sunny

    • 48
    • 62

    Chance Rain Showers

    • 47
    • 58

    Chance Rain Showers

Today 28 Oct Suffolk

Partly sunny. Near steady temperature in the mid 50s. South Winds around 5 Mph.

Tonight 28 Oct Suffolk

Partly cloudy this Evening, then becoming clear. Lows in the lower 40s. Southwest Winds around 5 Mph.

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  • Temperature Real-Time

Boston Harbor - Boston Main Channel Temperature Statistics

October Temperature

Boston, Logan International Airport (0.6 miles)

  • Lowest 18 October, 2026

    37.7 °F

  • Average October

    57.5 °F

  • Highest 2 October, 2026

    87.7 °F

Climate (2021–2026)

Boston, Logan International Airport (0.6 miles)

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  • Average Low 2021–2026

    46.5 °F

  • Average 2021–2026

    53.5 °F

  • Average High 2021–2026

    60.9 °F
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