Oak Bluffs Harbor Weather Forecast

    • 69
    • 90

    Chance Rain Showers

    • 62
    • 77

    Chance Rain Showers

    • 67
    • 78

    Rain Showers Likely

    • 67
    • 74

    Chance Rain Showers

    • 69
    • 75

    Slight Chance Rain Showers

    • 71
    • 79

    Partly Sunny

Today 4 Jul Dukes

Sunny. A chance of Showers with a slight chance of Thunderstorms this afternoon. Highs in the upper 80s. West Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 30 percent.

Tonight 4 Jul Dukes

Mostly cloudy. A chance of Showers with a slight chance of Thunderstorms in the Evening, then a chance of Showers after midnight. Humid with Lows in the upper 60s. West Winds 5 to 10 Mph with Gusts up to 20 Mph, becoming northwest after midnight. Chance of rain 40 percent.

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Oak Bluffs Harbor Temperature Statistics

July Temperature

Marthas Vineyard Airport (5 miles)

  • Lowest 1 July, 2026

    68 °F

  • Average July

    72 °F

  • Highest 1 July, 2026

    78.1 °F

Climate (2021–2026)

Marthas Vineyard Airport (5 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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