Chilmark Weather Forecast

    • 65
    • 77

    Mostly Sunny

    • 61
    • 77

    Chance Rain Showers

    • 56
    • 73

    Rain Showers Likely

    • 57
    • 74

    Partly Sunny

    • 57
    • 72

    Partly Sunny

    • 58
    • 71

    Slight Chance Rain Showers

Today 5 Sep Dukes

Partly sunny. A chance of Showers this morning. Highs in the mid 70s. South Winds 15 to 20 Mph with Gusts up to 30 Mph. Chance of rain 50 percent.

Tonight 5 Sep Dukes

Partly cloudy in the Evening, then becoming mostly clear. Patchy fog after midnight. Humid with Lows in the upper 60s. South Winds 15 to 20 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Chilmark Temperature Statistics

September Temperature

Marthas Vineyard Airport (7.5 miles)

  • Lowest 3 September, 2025

    57 °F

  • Average September

    68.3 °F

  • Highest 2 September, 2025

    73 °F

Climate (2020–Present)

Marthas Vineyard Airport (7.5 miles)

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  • Average Low 2020–2025

    44.6 °F

  • Average 2020–2025

    53.2 °F

  • Average High 2020–2025

    61.1 °F
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