Boston Harbor - Charlestown Weather Forecast

    • 63
    • 80

    Rain Showers

    • 62
    • 79

    Rain Showers

    • 64
    • 86

    Mostly Sunny

    • 65
    • 87

    Chance Rain Showers

    • 67
    • 83

    Chance Rain Showers

    • 67
    • 85

    Chance Rain Showers

Today 22 Jun Suffolk

Showers likely. Highs in the upper 70s. Lows in the lower 60s. Chance of rain 70 percent.

Tonight 22 Jun Suffolk

Showers likely. Highs in the upper 70s. Lows in the lower 60s. Chance of rain 70 percent.

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Boston Harbor - Charlestown Temperature Statistics

June Temperature

Boston, Logan International Airport (1.9 miles)

  • Lowest 1 June, 2026

    49.6 °F

  • Average June

    72.8 °F

  • Highest 14 June, 2026

    91.7 °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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