Matagorda Island Weather Forecast

    • 82
    • 89

    Slight Chance Thunderstorms

    • 83
    • 88

    Chance Rain Showers

    • 83
    • 89

    Chance Thunderstorms

    • 82
    • 89

    Slight Chance Thunderstorms

    • 81
    • 88

    Chance Rain Showers

    • 79
    • 88

    Slight Chance Thunderstorms

    • 81
    • 88

    Partly Sunny

Today 9 Jul Calhoun Islands

Partly cloudy. Highs in the upper 80s. South Winds 5 to 10 Mph, increasing to 10 to 15 Mph this afternoon.

Tonight 9 Jul Calhoun Islands

Partly cloudy. A chance of Showers and Thunderstorms, mainly this evening. Lows in the lower 80s. South Winds 10 to 15 Mph. Chance of rain 30 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Matagorda Island Temperature Statistics

July Temperature

Rockport Aransas County Airport (19.9 miles)

  • Lowest 4 July, 2026

    78.7 °F

  • Average July

    86.2 °F

  • Highest 3 July, 2026

    91.7 °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

    74.7 °F

  • Average High 2021–2026

    82.1 °F
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