Oak Bluffs Harbor Weather Forecast

    • 55
    • 79

    Becoming Sunny

    • 68
    • 80

    Rain Showers Likely

    • 68
    • 80

    Rain Showers Likely

    • 69
    • 80

    Mostly Sunny

    • 71
    • 81

    Partly Sunny

    • 68
    • 81

    Chance Rain Showers

Today 15 Aug Dukes

Sunny. Highs around 80. Southwest Winds 5 to 10 Mph.

Tonight 15 Aug Dukes

Partly cloudy in the Evening, then becoming mostly clear. Lows in the mid 50s. Southwest Winds around 5 Mph.

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Oak Bluffs Harbor Temperature Statistics

August Temperature

Marthas Vineyard Airport (5 miles)

  • Lowest 10 August, 2026

    61 °F

  • Average August

    74.6 °F

  • Highest 7 August, 2026

    86 °F

Climate (2021–2026)

Marthas Vineyard Airport (5 miles)

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  • Average Low 2021–2026

    44.5 °F

  • Average 2021–2026

    52.9 °F

  • Average High 2021–2026

    60.6 °F
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