Chelsea Weather Forecast

    • 62
    • 78

    Mostly Sunny

    • 68
    • 84

    Mostly Sunny

    • 74
    • 91

    Mostly Sunny

    • 72
    • 96

    Slight Chance Thunderstorms

    • 67
    • 82

    Chance Rain Showers

    • 69
    • 82

    Chance Rain Showers

Today 22 Jul Suffolk

Sunny. Highs in the upper 70s. Northeast Winds 5 to 10 Mph.

Tonight 22 Jul Suffolk

Mostly clear. Lows in the lower 60s. Southeast Winds 5 to 10 Mph, becoming southwest after midnight.

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  • Temperature Real-Time

Chelsea Temperature Statistics

July Temperature

Boston, Logan International Airport (1.9 miles)

  • Lowest 10 July, 2025

    63.6 °F

  • Average July

    76.5 °F

  • Highest 16 July, 2025

    95.6 °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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