Boston Harbor - Chelsea Weather Forecast

    • 48
    • 67

    Rain Showers

    • 34
    • 50

    Becoming Sunny

    • 41
    • 52

    Sunny

    • 45
    • 55

    Mostly Cloudy

    • 48
    • 57

    Partly Sunny

    • 48
    • 56

    Partly Sunny

    • 46
    • 56

    Mostly Cloudy

Today 16 Oct Suffolk

Mostly sunny. Highs around 60.

Tonight 16 Oct Suffolk

Showers with isolated Thunderstorms this Evening, then a chance of Showers after midnight. Patchy fog this evening. Some Thunderstorms may produce gusty Winds this evening. Lows in the upper 40s. Southwest Winds 10 to 15 Mph, becoming northwest 15 to 20 Mph after midnight. Gusts up to 30 Mph. Chance of rain near 100 percent.

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Boston Harbor - Chelsea Temperature Statistics

October Temperature

Boston, Logan International Airport (1.9 miles)

  • Lowest 7 October, 2026

    43.6 °F

  • Average October

    61.6 °F

  • Highest 2 October, 2026

    87.7 °F

Climate (2021–2026)

Boston, Logan International Airport (1.9 miles)

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  • Average Low 2021–2026

    46.6 °F

  • Average 2021–2026

    53.6 °F

  • Average High 2021–2026

    60.9 °F
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