Port Aransas Weather Forecast

    • 81
    • 86

    Partly Sunny

    • 81
    • 85

    Mostly Sunny

    • 81
    • 85

    Chance Thunderstorms

    • 81
    • 85

    Chance Thunderstorms

    • 82
    • 86

    Chance Thunderstorms

    • 79
    • 86

    Chance Thunderstorms

    • 79
    • 86

    Chance Rain Showers

Today 18 Sep Nueces Islands

Partly cloudy this Morning, then becoming sunny. Highs in the mid 80s. East Winds 10 to 15 Mph.

Tonight 18 Sep Nueces Islands

Partly cloudy. Near steady temperature in the lower 80s. East Winds 10 to 15 Mph, becoming southeast 5 to 10 Mph after midnight.

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Port Aransas Temperature Statistics

September Temperature

Port Aransas, Mustang Beach Airport (1.9 miles)

  • Lowest 16 September, 2025

    80.4 °F

  • Average September

    82.8 °F

  • Highest 16 September, 2025

    85.1 °F

Climate (2020–Present)

Port Aransas, Mustang Beach Airport (1.9 miles)

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  • Average Low 2020–2025

    68.9 °F

  • Average 2020–2025

    73.4 °F

  • Average High 2020–2025

    78.2 °F
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