Boston Harbor - Chelsea Weather Forecast

    • 63
    • 86

    Increasing Clouds

    • 57
    • 77

    Sunny

    • 63
    • 73

    Rain Showers

    • 65
    • 77

    Rain Showers

    • 60
    • 75

    Partly Sunny

    • 67
    • 76

    Partly Sunny

    • 60
    • 80

    Chance Rain Showers

Today 10 Sep Suffolk

Sunny, warmer. Near steady temperature in the mid 80s. West Winds 15 to 20 Mph with Gusts up to 30 Mph.

Tonight 10 Sep Suffolk

Mostly clear this Evening, then becoming partly cloudy. Lows in the lower 60s. West Winds 10 to 15 Mph. Gusts up to 25 Mph this evening.

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  • Temperature Real-Time

Boston Harbor - Chelsea Temperature Statistics

September Temperature

Boston, Logan International Airport (1.9 miles)

  • Lowest 6 September, 2026

    59.6 °F

  • Average September

    69.2 °F

  • Highest 4 September, 2026

    85.6 °F

Climate (2021–2026)

Boston, Logan International Airport (1.9 miles)

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  • Average Low 2021–2026

    46.7 °F

  • Average 2021–2026

    53.6 °F

  • Average High 2021–2026

    61 °F
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