Matagorda Island Weather Forecast

    • 84
    • 89

    Partly Sunny

    • 83
    • 89

    Mostly Cloudy

    • 83
    • 88

    Slight Chance Thunderstorms

    • 82
    • 88

    Partly Sunny

    • 82
    • 87

    Mostly Sunny

    • 81
    • 87

    Slight Chance Thunderstorms

Today 18 Jun Calhoun Islands

Sunny. Near steady temperature in the upper 80s. South Winds 15 to 20 Mph. Heat index Values up to 112.

Tonight 18 Jun Calhoun Islands

Mostly clear this Evening, then becoming partly cloudy. Lows in the mid 80s. Southeast Winds 15 to 20 Mph. Heat index Values up to 110 early.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Matagorda Island Temperature Statistics

June Temperature

Rockport Aransas County Airport (19.9 miles)

  • Lowest 16 June, 2026

    75 °F

  • Average June

    84.1 °F

  • Highest 11 June, 2026

    91.7 °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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