Port Aransas (H. Caldwell Pier) Weather Forecast

    • 67
    • 69

    Mostly Sunny

    • 66
    • 70

    Mostly Cloudy

    • 68
    • 70

    Partly Sunny

    • 67
    • 70

    Mostly Sunny

    • 67
    • 70

    Partly Sunny

    • 66
    • 70

    Partly Sunny

Today 20 Dec Nueces Islands

Partly cloudy in the Morning, then becoming sunny. Highs in the lower 70s. South Winds 10 to 15 Mph.

Tonight 20 Dec Nueces Islands

Partly cloudy in the Evening, then becoming mostly cloudy. Patchy fog. Near steady temperature in the upper 60s. South Winds 15 to 20 Mph, Diminishing to 10 to 15 Mph after midnight.

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Port Aransas (H. Caldwell Pier) Temperature Statistics

December Temperature

Port Aransas, Mustang Beach Airport (2.5 miles)

  • Lowest 15 December, 2025

    41.4 °F

  • Average December

    59.6 °F

  • Highest 13 December, 2025

    75.7 °F

Climate (2020–Present)

Port Aransas, Mustang Beach Airport (2.5 miles)

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  • Average Low 2020–2025

    69.1 °F

  • Average 2020–2025

    73.6 °F

  • Average High 2020–2025

    78.4 °F
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