Katama County Beach Weather Forecast

    • 23
    • 34

    Partly Sunny

    • 34
    • 38

    Partly Sunny

    • 38
    • 43

    Chance Rain Showers

    • 39
    • 45

    Chance Rain Showers

    • 34
    • 45

    Chance Rain Showers

    • 31
    • 41

    Partly Sunny

Today 18 Mar Dukes

Mostly cloudy and cold. Near steady temperature in the lower 30s. Southeast Winds around 5 Mph.

Tonight 18 Mar Dukes

Mostly clear. Lows in the lower 20s. Southeast Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Katama County Beach Temperature Statistics

March Temperature

Marthas Vineyard Airport (6.8 miles)

  • Lowest 2 March, 2026

    17.1 °F

  • Average March

    39 °F

  • Highest 9 March, 2026

    63 °F

Climate (2021–Present)

Marthas Vineyard Airport (6.8 miles)

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  • Average Low 2021–2026

    44.4 °F

  • Average 2021–2026

    52.9 °F

  • Average High 2021–2026

    60.7 °F
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