Boston Weather Forecast

    • 26
    • 36

    Chance Rain/Snow

    • 22
    • 42

    Increasing Clouds

    • 6
    • 31

    Partly Sunny

    • 6
    • 14

    Chance Snow

    • 15
    • 24

    Snow Likely

    • 9
    • 24

    Chance Snow

    • 10
    • 23

    Mostly Sunny

Today 21 Jan Suffolk

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

Tonight 21 Jan Suffolk

Mostly cloudy. A chance of snow this Evening, then a chance of rain and snow after midnight. Patchy fog. Not as cool with Lows in the upper 20s. Southwest Winds 5 to 10 Mph with Gusts up to 25 Mph. Chance of precipitation 50 percent.

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Boston Temperature Statistics

January Temperature

Boston, Logan International Airport (2.5 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 (2.5 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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