Charlestown Weather Forecast

    • 51
    • 71

    Mostly Sunny

    • 60
    • 72

    Chance Rain Showers

    • 57
    • 74

    Slight Chance Rain Showers

    • 52
    • 73

    Partly Sunny

    • 51
    • 69

    Partly Sunny

    • 48
    • 64

    Partly Sunny

    • 49
    • 65

    Partly Sunny

Today 24 Sep Suffolk

Sunny and not as cool. Near steady temperature in the mid 60s. Northwest Winds 10 to 15 Mph with Gusts up to 30 Mph.

Tonight 24 Sep Suffolk

Mostly clear. Lows in the lower 50s. West Winds 5 to 10 Mph. Gusts up to 25 Mph in the evening.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Charlestown Temperature Statistics

September Temperature

Boston, Logan International Airport (2.5 miles)

  • Lowest 17 September, 2022

    53.1 °F
  • Average September

    67 °F
  • Highest 18 September, 2022

    84 °F

Climate (2010–Present)

Boston, Logan International Airport (2.5 miles)

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  • Average Low 2010–Present

    47.5 °F
  • Average 2010–Present

    54.3 °F
  • Average High 2010–Present

    61.4 °F
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