Mustang Island Weather Forecast

    • 79
    • 82

    Mostly Sunny

    • 79
    • 82

    Slight Chance Thunderstorms

    • 80
    • 81

    Mostly Sunny

    • 79
    • 82

    Mostly Sunny

    • 80
    • 80

    Mostly Sunny

    • 80
    • 81

    Mostly Sunny

Today 18 Oct Kleberg Islands

Sunny. Highs in the mid 80s. South Winds 10 to 15 Mph.

Tonight 18 Oct Kleberg Islands

Mostly clear. Lows in the mid 70s. South Winds around 15 Mph, becoming southwest after midnight.

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Mustang Island Temperature Statistics

October Temperature

Port Aransas, Mustang Beach Airport (41.6 miles)

  • Lowest 4 October, 2025

    73 °F

  • Average October

    81.7 °F

  • Highest 1 October, 2025

    87.1 °F

Climate (2020–Present)

Port Aransas, Mustang Beach Airport (41.6 miles)

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  • Average Low 2020–2025

    69 °F

  • Average 2020–2025

    73.5 °F

  • Average High 2020–2025

    78.3 °F
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