Back Bay Weather Forecast

    • 64
    • 70

    Slight Chance Thunderstorms

    • 53
    • 71

    Slight Chance Thunderstorms

    • 54
    • 68

    Mostly Sunny

    • 62
    • 77

    Partly Sunny

    • 63
    • 77

    Chance Rain Showers

    • 58
    • 75

    Partly Sunny

    • 58
    • 70

    Chance Rain Showers

Today 13 Sep Suffolk

Showers with a chance of Thunderstorms. Patchy fog. Some Thunderstorms may produce frequent lightning and heavy rainfall. Near steady temperature in the upper 60s. East Winds 5 to 10 Mph. Chance of rain near 100 percent.

Tonight 13 Sep Suffolk

Mostly cloudy. Patchy fog. A slight chance of Showers and Thunderstorms after midnight. Near steady temperature in the mid 60s. Southeast Winds around 5 Mph, becoming west after midnight. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Back Bay Temperature Statistics

September Temperature

Boston, Logan International Airport (3.1 miles)

  • Lowest 6 September, 2026

    59.6 °F

  • Average September

    70.7 °F

  • Highest 10 September, 2026

    87.7 °F

Climate (2021–2026)

Boston, Logan International Airport (3.1 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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