Boston Harbor - Chelsea Weather Forecast

    • 65
    • 90

    Severe Tstms

    • 63
    • 82

    Mostly Sunny

    • 69
    • 85

    Partly Sunny

    • 72
    • 93

    Partly Sunny

    • 73
    • 93

    Chance Rain Showers

    • 69
    • 86

    Chance Thunderstorms

    • 67
    • 80

    Chance Rain Showers

Today 3 Jul Suffolk

Partly sunny with a chance of Showers and Thunderstorms. Some Thunderstorms may be severe with damaging Winds, small Hail, frequent Lightning, and heavy rainfall. Hot with Highs around 90. Temperature falling into the lower 80s late. West Winds 5 to 10 Mph. Chance of rain 40 percent.

Tonight 3 Jul Suffolk

Mostly cloudy with a chance of Showers and Thunderstorms this Evening, then mostly clear after midnight. Some Thunderstorms may be severe with damaging Winds, small Hail, frequent Lightning, and heavy rainfall. Lows in the mid 60s. West Winds 5 to 10 Mph. Gusts up to 20 Mph this evening. Chance of rain 40 percent.

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Boston Harbor - Chelsea Temperature Statistics

July Temperature

Boston, Logan International Airport (1.9 miles)

  • Lowest 1 July, 2025

    70 °F

  • Average July

    80 °F

  • Highest 1 July, 2025

    93 °F

Climate (2020–Present)

Boston, Logan International Airport (1.9 miles)

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  • Average Low 2020–2025

    47 °F

  • Average 2020–2025

    53.8 °F

  • Average High 2020–2025

    61.1 °F
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