Oak Bluffs Harbor Weather Forecast

    • 60
    • 63

    Rain Showers

    • 61
    • 68

    Rain Showers

    • 59
    • 67

    Chance Rain Showers

    • 59
    • 65

    Mostly Cloudy

    • 61
    • 67

    Partly Sunny

    • 62
    • 68

    Partly Sunny

    • 60
    • 69

    Mostly Cloudy

Today 26 Sep Dukes

Mostly sunny. Highs in the mid 60s.

Tonight 26 Sep Dukes

Showers with a chance of Thunderstorms. Patchy fog. Locally heavy rainfall possible this evening. Windy with Lows in the upper 50s. Northeast Winds 20 to 30 Mph with Gusts up to 55 Mph. Chance of rain near 100 percent.

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Oak Bluffs Harbor Temperature Statistics

September Temperature

Marthas Vineyard Airport (5 miles)

  • Lowest 7 September, 2026

    52 °F

  • Average September

    66.1 °F

  • Highest 4 September, 2026

    81 °F

Climate (2021–2026)

Marthas Vineyard Airport (5 miles)

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  • Average Low 2021–2026

    44.5 °F

  • Average 2021–2026

    52.8 °F

  • Average High 2021–2026

    60.5 °F
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