Boston Harbor - Charlestown Weather Forecast

    • 34
    • 44

    Mostly Cloudy

    • 38
    • 51

    Mostly Cloudy

    • 49
    • 60

    Slight Chance Rain

    • 52
    • 68

    Rain

    • 35
    • 58

    Rain Likely

    • 39
    • 55

    Partly Sunny

    • 43
    • 62

    Mostly Cloudy

Today 13 Mar Suffolk

Partly sunny. Near steady temperature in the lower 40s. East Winds 10 to 15 Mph.

Tonight 13 Mar Suffolk

Partly cloudy this Evening, then becoming mostly cloudy. Lows in the mid 30s. East Winds 5 to 10 Mph, becoming northeast after midnight.

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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

    39.7 °F

  • Highest 10 March, 2025

    61 °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

    60.8 °F
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