Boston Harbor - Chelsea Weather Forecast

    • 46
    • 52

    Chance Rain Showers

    • 53
    • 59

    Rain Showers

    • 45
    • 61

    Rain Showers

    • 39
    • 56

    Mostly Sunny

    • 37
    • 54

    Partly Sunny

    • 43
    • 55

    Rain Showers Likely

Today 29 Oct Suffolk

Cloudy with a 30 percent chance of Showers. Highs in the lower 50s. Northeast Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 29 Oct Suffolk

Mostly cloudy with a 40 percent chance of Showers. Near steady temperature in the upper 40s. Northeast Winds 10 to 15 Mph.

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Boston Harbor - Chelsea Temperature Statistics

October Temperature

Boston, Logan International Airport (1.9 miles)

  • Lowest 10 October, 2025

    41 °F

  • Average October

    57.2 °F

  • Highest 6 October, 2025

    82.9 °F

Climate (2020–Present)

Boston, Logan International Airport (1.9 miles)

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  • Average Low 2020–2025

    47 °F

  • Average 2020–2025

    53.8 °F

  • Average High 2020–2025

    61.2 °F
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