Deer Island Weather Forecast

    • 36
    • 42

    Mostly Cloudy

    • 40
    • 48

    Mostly Cloudy

    • 50
    • 55

    Slight Chance Rain

    • 54
    • 63

    Rain

    • 39
    • 57

    Rain Likely

    • 43
    • 55

    Partly Sunny

Today 13 Mar Suffolk

Partly sunny. Highs in the mid 40s. East Winds 5 to 10 Mph. Gusts up to 20 Mph.

Tonight 13 Mar Suffolk

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

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Deer Island Temperature Statistics

March Temperature

Boston, Logan International Airport (2.5 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 (2.5 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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