Port Aransas Weather Forecast

    • 80
    • 83

    Slight Chance Thunderstorms

    • 80
    • 84

    Mostly Cloudy

    • 80
    • 84

    Rain Showers Likely

    • 79
    • 83

    Chance Thunderstorms

    • 78
    • 83

    Rain Showers Likely

    • 78
    • 83

    Rain Showers Likely

Today 17 May Nueces Islands

Mostly cloudy with a slight chance of Showers. A slight chance of Thunderstorms this afternoon. Highs in the mid 80s. Southeast Winds 15 to 20 Mph with Gusts up to 30 Mph. Chance of rain 20 percent.

Tonight 17 May Nueces Islands

Mostly cloudy with a 20 percent chance of Showers. Breezy. Near steady temperature in the lower 80s. Southeast Winds 15 to 20 Mph, increasing to 20 to 25 Mph after midnight.

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Port Aransas Temperature Statistics

May Temperature

Port Aransas, Mustang Beach Airport (1.9 miles)

  • Lowest 2 May, 2026

    58.5 °F

  • Average May

    76.1 °F

  • Highest 9 May, 2026

    84.6 °F

Climate (2021–Present)

Port Aransas, Mustang Beach Airport (1.9 miles)

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  • Average Low 2021–2026

    69.4 °F

  • Average 2021–2026

    73.9 °F

  • Average High 2021–2026

    78.7 °F
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