Matagorda Island Weather Forecast

    • 83
    • 89

    Chance Rain Showers

    • 83
    • 88

    Chance Thunderstorms

    • 84
    • 88

    Partly Sunny

    • 83
    • 89

    Mostly Sunny

    • 83
    • 89

    Mostly Sunny

    • 82
    • 88

    Mostly Sunny

Today 19 Jun Calhoun Islands

Mostly cloudy. Near steady temperature in the upper 80s. Southeast Winds 10 to 15 Mph. Heat index Values up to 112.

Tonight 19 Jun Calhoun Islands

Mostly cloudy. A chance of Showers with a slight chance of Thunderstorms after midnight. Lows in the lower 80s. Southeast Winds 10 to 15 Mph. Chance of rain 30 percent. Heat index Values up to 110 early.

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Matagorda Island Temperature Statistics

June Temperature

Rockport Aransas County Airport (19.9 miles)

  • Lowest 15 June, 2026

    75.7 °F

  • Average June

    84.2 °F

  • Highest 17 June, 2026

    91.9 °F

Climate (2021–2026)

Rockport Aransas County Airport (19.9 miles)

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  • Average Low 2021–2026

    67.6 °F

  • Average 2021–2026

    74.7 °F

  • Average High 2021–2026

    82 °F
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