Martha's Vineyard Weather Forecast

    • 60
    • 75

    Gradual Clearing

    • 51
    • 78

    Mostly Sunny

    • 41
    • 69

    Mostly Sunny

    • 54
    • 68

    Partly Sunny

    • 57
    • 72

    Partly Sunny

    • 59
    • 74

    Partly Sunny

Today 18 Sep Dukes

Mostly cloudy with a chance of Showers in the Morning, then mostly sunny in the afternoon. Patchy fog in the morning. Humid with Highs in the lower 70s. Northeast Winds 5 to 10 Mph, becoming northwest in the afternoon. Chance of rain 50 percent.

Tonight 18 Sep Dukes

Cloudy with a chance of Showers with isolated Thunderstorms. Patchy fog. Near steady temperature in the mid 60s. East Winds 5 to 10 Mph. Chance of rain 50 percent.

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Martha's Vineyard Temperature Statistics

September Temperature

Marthas Vineyard Airport (0.6 miles)

  • Lowest 13 September, 2025

    55 °F

  • Average September

    66.7 °F

  • Highest 5 September, 2025

    77 °F

Climate (2020–Present)

Marthas Vineyard Airport (0.6 miles)

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  • Average Low 2020–2025

    44.6 °F

  • Average 2020–2025

    53.2 °F

  • Average High 2020–2025

    61 °F
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