Matagorda Island Weather Forecast

    • 81
    • 90

    Slight Chance Thunderstorms

    • 82
    • 88

    Chance Thunderstorms

    • 81
    • 91

    Chance Thunderstorms

    • 81
    • 90

    Chance Thunderstorms

    • 81
    • 90

    Chance Rain Showers

    • 80
    • 90

    Chance Thunderstorms

    • 81
    • 90

    Chance Thunderstorms

Today 3 Sep Calhoun Islands

Sunny. Highs around 90. South Winds 10 to 15 Mph.

Tonight 3 Sep Calhoun Islands

Mostly cloudy this Evening, then becoming partly cloudy. Lows in the lower 80s. Southeast Winds 10 to 15 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Matagorda Island Temperature Statistics

September Temperature

Rockport Aransas County Airport (19.9 miles)

  • Lowest 1 September, 2026

    78.1 °F

  • Average September

    85.7 °F

  • Highest 1 September, 2026

    93 °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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