Port Aransas (Inside) Weather Forecast

    • 55
    • 61

    Mostly Sunny

    • 62
    • 66

    Mostly Sunny

    • 62
    • 70

    Partly Sunny

    • 66
    • 70

    Partly Sunny

    • 66
    • 73

    Chance Rain Showers

    • 65
    • 71

    Slight Chance Rain Showers

    • 65
    • 69

    Mostly Cloudy

Today 8 Dec Nueces Islands

Sunny, cooler with Highs in the lower 60s. North Winds 10 to 15 Mph.

Tonight 8 Dec Nueces Islands

Mostly clear. Lows in the mid 50s. Northeast Winds 5 to 10 Mph.

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Port Aransas (Inside) Temperature Statistics

December Temperature

Port Aransas, Mustang Beach Airport (1.9 miles)

  • Lowest 2 December, 2025

    43.5 °F

  • Average December

    54.8 °F

  • Highest 6 December, 2025

    65.7 °F

Climate (2020–Present)

Port Aransas, Mustang Beach Airport (1.9 miles)

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  • Average Low 2020–2025

    69.1 °F

  • Average 2020–2025

    73.6 °F

  • Average High 2020–2025

    78.3 °F
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