Matagorda Island Weather Forecast

    • 79
    • 89

    Mostly Sunny

    • 80
    • 88

    Partly Sunny

    • 80
    • 89

    Partly Sunny

    • 81
    • 89

    Partly Sunny

    • 82
    • 89

    Chance Thunderstorms

    • 79
    • 89

    Chance Rain Showers

Today 25 Sep Calhoun Islands

Partly cloudy this Morning, then clearing. Highs in the upper 80s. East Winds 5 to 10 Mph, increasing to 10 to 15 Mph this afternoon.

Tonight 25 Sep Calhoun Islands

Mostly clear in the Evening, then becoming partly cloudy. Lows in the upper 70s. Southeast Winds 10 to 15 Mph, Diminishing to 5 to 10 Mph after midnight.

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  • Temperature Real-Time

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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