Boston Harbor - Chelsea Weather Forecast

    • 64
    • 91

    Smoke

    • 66
    • 85

    Mostly Sunny

    • 71
    • 89

    Rain Showers

    • 63
    • 87

    Mostly Sunny

    • 66
    • 80

    Partly Sunny

    • 69
    • 82

    Rain Showers Likely

    • 67
    • 81

    Chance Rain Showers

Today 16 Jul Suffolk

Partly sunny with a 20 percent chance of Showers. Patchy smoke. Hot. Near steady temperature in the upper 80s. West Winds 15 to 20 Mph with Gusts up to 30 Mph.

Tonight 16 Jul Suffolk

Partly cloudy with a slight chance of Showers this Evening, then mostly clear after midnight. Smoke this evening. Lows in the lower 60s. Northwest Winds 10 to 15 Mph. Gusts up to 25 Mph this evening. Chance of rain 20 percent.

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Boston Harbor - Chelsea Temperature Statistics

July Temperature

Boston, Logan International Airport (1.9 miles)

  • Lowest 8 July, 2026

    61.6 °F

  • Average July

    78.5 °F

  • Highest 2 July, 2026

    101.6 °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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