Oak Bluffs Harbor Weather Forecast

    • 66
    • 74

    Becoming Sunny

    • 68
    • 78

    Chance Rain Showers

    • 65
    • 74

    Partly Sunny

    • 66
    • 73

    Chance Rain Showers

    • 68
    • 75

    Chance Rain Showers

    • 66
    • 78

    Chance Rain Showers

Today 29 Aug Dukes

Mostly sunny. Near steady temperature in the lower 70s. East Winds 5 to 10 Mph.

Tonight 29 Aug Dukes

Partly cloudy in the Evening, then clearing. Lows in the mid 60s. Southwest Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

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Oak Bluffs Harbor Temperature Statistics

August Temperature

Marthas Vineyard Airport (5 miles)

  • Lowest 26 August, 2026

    59 °F

  • Average August

    72.9 °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

    60.5 °F
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