Cuttyhunk Harbor SPB Weather Forecast

    • 61
    • 76

    Increasing Clouds

    • 69
    • 75

    Breezy

    • 67
    • 76

    Chance Rain Showers

    • 53
    • 74

    Mostly Sunny

    • 57
    • 72

    Partly Sunny

    • 63
    • 70

    Partly Sunny

Today 8 Sep Dukes

Mostly sunny. Highs in the upper 70s. Northwest Winds 5 to 10 Mph.

Tonight 8 Sep Dukes

Partly cloudy in the Evening, then becoming mostly cloudy. Lows in the upper 50s. Southeast Winds around 5 Mph.

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Cuttyhunk Harbor SPB Temperature Statistics

September Temperature

Marthas Vineyard Airport (16.2 miles)

  • Lowest 1 September, 2026

    57 °F

  • Average September

    67 °F

  • Highest 4 September, 2026

    81 °F

Climate (2021–2026)

Marthas Vineyard Airport (16.2 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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