Dorchester Weather Forecast

    • 63
    • 72

    Increasing Clouds

    • 66
    • 77

    Slight Chance Rain Showers

    • 62
    • 76

    Chance Rain Showers

    • 60
    • 74

    Chance Rain Showers

    • 58
    • 71

    Chance Rain Showers

    • 56
    • 71

    Partly Sunny

Today 21 Sep Suffolk

Mostly sunny. Highs in the lower 70s. Southeast Winds 5 to 10 Mph.

Tonight 21 Sep Suffolk

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

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Dorchester Temperature Statistics

September Temperature

Boston, Logan International Airport (5 miles)

  • Lowest 3 September, 2021

    59 °F
  • Average September

    70.9 °F
  • Highest 8 September, 2021

    84.9 °F

Climate (2010–Present)

Boston, Logan International Airport (5 miles)

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  • Average Low 2010–Present

    47.2 °F
  • Average 2010–Present

    53.8 °F
  • Average High 2010–Present

    60.9 °F
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