Matagorda Island Weather Forecast

    • 81
    • 90

    Rain Showers Likely

    • 82
    • 89

    Mostly Sunny

    • 82
    • 89

    Mostly Sunny

    • 82
    • 88

    Mostly Sunny

    • 82
    • 88

    Mostly Sunny

    • 82
    • 89

    Mostly Sunny

    • 82
    • 89

    Mostly Sunny

Today 23 Jul Calhoun Islands

Mostly cloudy. Showers likely with a chance of Thunderstorms this afternoon. Highs around 90. West Winds 5 to 10 Mph, increasing to 10 to 15 Mph with Gusts up to 25 Mph this afternoon. Chance of rain 70 percent.

Tonight 23 Jul Calhoun Islands

Mostly cloudy with Showers likely with a chance of Thunderstorms this Evening, then partly cloudy with a slight chance of Showers and Thunderstorms after midnight. Near steady temperature in the lower 80s. South Winds 15 to 20 Mph with Gusts up to 30 Mph. Chance of rain 70 percent.

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Matagorda Island Temperature Statistics

July Temperature

Rockport Aransas County Airport (19.9 miles)

  • Lowest 21 July, 2026

    75.9 °F

  • Average July

    86 °F

  • Highest 8 July, 2026

    92.6 °F

Climate (2021–2026)

Rockport Aransas County Airport (19.9 miles)

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  • Average Low 2021–2026

    67.7 °F

  • Average 2021–2026

    74.7 °F

  • Average High 2021–2026

    82.1 °F
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