Boston Harbor - Chelsea Weather Forecast

    • 3
    • 30

    Becoming Sunny

    • 6
    • 15

    Partly Sunny

    • 19
    • 29

    Snow

    • 8
    • 30

    Snow

    • 7
    • 22

    Partly Sunny

    • 5
    • 22

    Partly Sunny

    • 8
    • 20

    Mostly Cloudy

Today 23 Jan Suffolk

Partly sunny and much cooler. Near steady temperature around 30. West Winds 10 to 15 Mph with Gusts up to 30 Mph.

Tonight 23 Jan Suffolk

Partly cloudy this Evening, then clearing. Much Colder with Lows around 3 above. West Winds 10 to 15 Mph with Gusts up to 30 Mph.

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Boston Harbor - Chelsea Temperature Statistics

January Temperature

Boston, Logan International Airport (1.9 miles)

  • Lowest 21 January, 2026

    12.9 °F

  • Average January

    32 °F

  • Highest 9 January, 2026

    52 °F

Climate (2021–Present)

Boston, Logan International Airport (1.9 miles)

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  • Average Low 2021–2026

    46.9 °F

  • Average 2021–2026

    53.7 °F

  • Average High 2021–2026

    61 °F
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