Uncatena Island (South Side) Weather Forecast

    • 62
    • 77

    Increasing Clouds

    • 65
    • 79

    Chance Rain Showers

    • 62
    • 71

    Slight Chance Rain Showers

    • 63
    • 72

    Chance Rain Showers

    • 63
    • 72

    Chance Rain Showers

    • 62
    • 71

    Mostly Sunny

Today 16 Aug Dukes

Sunny. Highs in the upper 70s. Northeast Winds 5 to 10 Mph, becoming southeast this afternoon.

Tonight 16 Aug Dukes

Mostly clear in the Evening, then becoming partly cloudy. Patchy fog after midnight. Lows in the lower 60s. South Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Uncatena Island (South Side) Temperature Statistics

August Temperature

Marthas Vineyard Airport (9.3 miles)

  • Lowest 9 August, 2025

    41.6 °F

  • Average August

    66.1 °F

  • Highest 11 August, 2025

    87.7 °F

Climate (2020–Present)

Marthas Vineyard Airport (9.3 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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