Downtown (Boston) Weather Forecast

    • 63
    • 82

    Mostly Sunny

    • 59
    • 72

    Slight Chance Rain Showers

    • 55
    • 68

    Mostly Sunny

    • 61
    • 75

    Mostly Sunny

    • 61
    • 76

    Mostly Cloudy

    • 67
    • 75

    Chance Rain Showers

    • 61
    • 80

    Partly Sunny

Today 4 Sep Suffolk

Sunny. Near steady temperature around 80. North Winds 5 to 10 Mph.

Tonight 4 Sep Suffolk

Partly cloudy this Evening, then becoming mostly clear. Lows in the lower 60s. Northwest Winds 5 to 10 Mph.

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Downtown (Boston) Temperature Statistics

September Temperature

Boston, Logan International Airport (1.9 miles)

  • Lowest 1 September, 2026

    63.6 °F

  • Average September

    67 °F

  • Highest 2 September, 2026

    72 °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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