Matagorda Island Weather Forecast

    • 79
    • 88

    Chance Thunderstorms

    • 80
    • 88

    Chance Thunderstorms

    • 82
    • 89

    Chance Thunderstorms

    • 80
    • 89

    Chance Thunderstorms

    • 80
    • 88

    Chance Thunderstorms

    • 81
    • 88

    Mostly Sunny

Today 23 Aug Calhoun Islands

Mostly cloudy with a chance of Showers and Thunderstorms. Highs in the upper 80s. North Winds 5 to 10 Mph, becoming east this afternoon. Chance of rain 50 percent.

Tonight 23 Aug Calhoun Islands

Partly cloudy with a chance of Showers and Thunderstorms. Lows in the upper 70s. East Winds 5 to 10 Mph, Diminishing to around 5 Mph after midnight. Chance of rain 30 percent.

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  • Temperature Real-Time

Matagorda Island Temperature Statistics

August Temperature

Rockport Aransas County Airport (19.9 miles)

  • Lowest 5 August, 2025

    73.7 °F

  • Average August

    86.1 °F

  • Highest 5 August, 2025

    96.7 °F

Climate (2020–Present)

Rockport Aransas County Airport (19.9 miles)

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  • Average Low 2020–2025

    67 °F

  • Average 2020–2025

    74 °F

  • Average High 2020–2025

    81.5 °F
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