Joseph Sylvia State Beach Weather Forecast

    • 39
    • 44

    Increasing Clouds

    • 35
    • 46

    Chance Rain

    • 24
    • 42

    Mostly Cloudy

    • 28
    • 34

    Partly Sunny

    • 33
    • 41

    Chance Rain

    • 25
    • 39

    Chance Snow

Today 13 Jan Dukes

Sunny. Highs in the mid 40s. Southwest Winds 10 to 15 Mph.

Tonight 13 Jan Dukes

Mostly clear. Near steady temperature in the mid 30s. West Winds 10 to 15 Mph with Gusts up to 30 Mph.

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Joseph Sylvia State Beach Temperature Statistics

January Temperature

Marthas Vineyard Airport (3.7 miles)

  • Lowest 1 January, 2026

    18 °F

  • Average January

    33 °F

  • Highest 9 January, 2026

    52 °F

Climate (2021–Present)

Marthas Vineyard Airport (3.7 miles)

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  • Average Low 2021–2026

    44.5 °F

  • Average 2021–2026

    53 °F

  • Average High 2021–2026

    60.8 °F
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