Matagorda Island Weather Forecast

    • 82
    • 89

    Slight Chance Thunderstorms

    • 81
    • 89

    Mostly Sunny

    • 81
    • 89

    Mostly Sunny

    • 82
    • 89

    Mostly Sunny

    • 80
    • 89

    Mostly Sunny

    • 81
    • 89

    Mostly Sunny

    • 81
    • 89

    Mostly Sunny

Today 14 Aug Calhoun Islands

Sunny late this Morning, then becoming partly cloudy. A slight chance of Showers and Thunderstorms. Near steady temperature in the upper 80s. Southeast Winds 10 to 15 Mph. Chance of rain 20 percent.

Tonight 14 Aug Calhoun Islands

Partly cloudy. Near steady temperature in the mid 80s. Southeast Winds 10 to 15 Mph.

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Matagorda Island Temperature Statistics

August Temperature

Rockport Aransas County Airport (19.9 miles)

  • Lowest 2 August, 2026

    73.7 °F

  • Average August

    86.3 °F

  • Highest 1 August, 2026

    93.7 °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

    74.8 °F

  • Average High 2021–2026

    82.1 °F
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