Matagorda Island Weather Forecast

    • 72
    • 77

    Chance Thunderstorms

    • 72
    • 78

    Partly Sunny

    • 72
    • 78

    Partly Sunny

    • 72
    • 79

    Mostly Cloudy

    • 72
    • 79

    Partly Sunny

    • 72
    • 79

    Mostly Cloudy

Today 12 Apr Calhoun Islands

Mostly cloudy with a chance of Showers. A slight chance of Thunderstorms this Morning, then a chance of Thunderstorms this afternoon. Highs in the upper 70s. Southeast Winds 10 to 15 Mph, increasing to 15 to 20 Mph this afternoon. Chance of rain 40 percent.

Tonight 12 Apr Calhoun Islands

Mostly cloudy. A chance of Showers and Thunderstorms in the evening. Near steady temperature in the lower 70s. Southeast Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 40 percent.

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Matagorda Island Temperature Statistics

April Temperature

Rockport Aransas County Airport (19.9 miles)

  • Lowest 5 April, 2026

    56.6 °F

  • Average April

    73 °F

  • Highest 4 April, 2026

    85.6 °F

Climate (2021–Present)

Rockport Aransas County Airport (19.9 miles)

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  • Average Low 2021–2026

    67.5 °F

  • Average 2021–2026

    74.6 °F

  • Average High 2021–2026

    82 °F
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