Matagorda Island Weather Forecast

    • 47
    • 58

    Breezy

    • 46
    • 56

    Becoming Sunny

    • 56
    • 63

    Mostly Sunny

    • 64
    • 70

    Mostly Cloudy

    • 61
    • 73

    Mostly Sunny

    • 62
    • 73

    Mostly Sunny

    • 64
    • 71

    Partly Sunny

Today 29 Dec Calhoun Islands

Mostly cloudy and windy. Much cooler with Highs in the upper 50s. Northeast Winds 25 to 35 Mph with Gusts up to 45 Mph, becoming north 20 to 25 Mph with Gusts up to 35 Mph in the afternoon.

Tonight 29 Dec Calhoun Islands

Mostly cloudy and breezy. Near steady temperature in the upper 40s. North Winds 15 to 25 Mph, becoming 15 to 20 Mph after midnight.

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Matagorda Island Temperature Statistics

December Temperature

Rockport Aransas County Airport (19.9 miles)

  • Lowest 15 December, 2025

    37.9 °F

  • Average December

    62.1 °F

  • Highest 7 December, 2025

    80.1 °F

Climate (2020–Present)

Rockport Aransas County Airport (19.9 miles)

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  • Average Low 2020–2025

    67.4 °F

  • Average 2020–2025

    74.3 °F

  • Average High 2020–2025

    81.7 °F
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