Boston Harbor - Charlestown Weather Forecast

    • 36
    • 57

    Mostly Sunny

    • 34
    • 58

    Mostly Sunny

    • 31
    • 43

    Partly Sunny

    • 38
    • 45

    Slight Chance Rain

    • 44
    • 55

    Mostly Cloudy

    • 54
    • 63

    Slight Chance Rain

Today 10 Mar Suffolk

Sunny. Highs in the mid 50s. West Winds 10 to 15 Mph, becoming northwest in the afternoon. Gusts up to 25 Mph.

Tonight 10 Mar Suffolk

Mostly clear. Lows in the mid 30s. Southeast Winds around 5 Mph.

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Boston Harbor - Charlestown Temperature Statistics

March Temperature

Boston, Logan International Airport (1.9 miles)

  • Lowest 3 March, 2025

    12.8 °F

  • Average March

    37.8 °F

  • Highest 5 March, 2025

    56.6 °F

Climate (2020–Present)

Boston, Logan International Airport (1.9 miles)

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  • Average Low 2020–2025

    46.8 °F

  • Average 2020–2025

    53.6 °F

  • Average High 2020–2025

    60.9 °F
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