Port of Boston Weather Forecast

    • 28
    • 28

    Snow Likely

    • 25
    • 42

    Partly Sunny

    • 6
    • 30

    Mostly Cloudy

    • 6
    • 14

    Chance Snow

    • 14
    • 18

    Chance Snow

    • 12
    • 23

    Chance Snow

Today 21 Jan Suffolk

Mostly sunny. Highs in the upper 20s. Southwest Winds 5 to 10 Mph. Gusts up to 20 Mph.

Tonight 21 Jan Suffolk

Mostly cloudy. Snow Likely, mainly in the evening. Little or no snow accumulation. Not as cool with Lows in the upper 20s. Temperature rising into the mid 30s after midnight. Southwest Winds 5 to 10 Mph with Gusts up to 25 Mph. Chance of snow 60 percent.

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Port of Boston Temperature Statistics

January Temperature

Boston, Logan International Airport (1.2 miles)

  • Lowest 5 January, 2026

    16 °F

  • Average January

    33.1 °F

  • Highest 9 January, 2026

    52 °F

Climate (2021–Present)

Boston, Logan International Airport (1.2 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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