Joseph Sylvia State Beach Weather Forecast

    • 52
    • 64

    Rain Showers Likely

    • 56
    • 59

    Rain Showers

    • 57
    • 72

    Chance Rain Showers

    • 58
    • 73

    Mostly Cloudy

    • 57
    • 72

    Slight Chance Rain Showers

    • 55
    • 67

    Partly Sunny

Today 23 May Dukes

Cloudy. Highs in the mid 60s. East Winds 5 to 10 Mph.

Tonight 23 May Dukes

Cloudy. A chance of rain after midnight. Lows in the lower 50s. Southeast Winds 10 to 15 Mph. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Joseph Sylvia State Beach Temperature Statistics

May Temperature

Marthas Vineyard Airport (3.7 miles)

  • Lowest 12 May, 2026

    41 °F

  • Average May

    55.7 °F

  • Highest 17 May, 2026

    78.1 °F

Climate (2021–Present)

Marthas Vineyard Airport (3.7 miles)

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  • Average Low 2021–2026

    44.4 °F

  • Average 2021–2026

    52.8 °F

  • Average High 2021–2026

    60.5 °F
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