Port of Boston Weather Forecast

    • 63
    • 77

    Increasing Clouds

    • 66
    • 78

    Chance Rain Showers

    • 54
    • 75

    Mostly Sunny

    • 56
    • 64

    Chance Rain Showers

    • 57
    • 62

    Rain Showers Likely

    • 57
    • 61

    Chance Rain Showers

    • 56
    • 61

    Slight Chance Rain Showers

Today 16 Sep Suffolk

Partly sunny. Highs in the mid 60s.

Tonight 16 Sep Suffolk

Mostly clear this Evening, then becoming partly cloudy. Lows in the lower 60s. Southwest Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Port of Boston Temperature Statistics

September Temperature

Boston, Logan International Airport (1.2 miles)

  • Lowest 12 September, 2026

    56.6 °F

  • Average September

    69.8 °F

  • Highest 10 September, 2026

    87.7 °F

Climate (2021–2026)

Boston, Logan International Airport (1.2 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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