Matagorda Island Weather Forecast

    • 79
    • 88

    Increasing Clouds

    • 80
    • 89

    Partly Sunny

    • 80
    • 89

    Mostly Sunny

    • 81
    • 89

    Chance Rain Showers

    • 80
    • 90

    Chance Thunderstorms

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    • 89

    Chance Rain Showers

Today 26 Sep Calhoun Islands

Partly cloudy. Highs in the upper 80s. East Winds 5 to 10 Mph.

Tonight 26 Sep Calhoun Islands

Partly cloudy. Lows in the upper 70s. Southeast Winds 5 to 10 Mph, Diminishing to around 5 Mph after midnight.

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Matagorda Island Temperature Statistics

September Temperature

Rockport Aransas County Airport (19.9 miles)

  • Lowest 10 September, 2026

    74.6 °F

  • Average September

    87.3 °F

  • Highest 4 September, 2026

    96.7 °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

    82.2 °F
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