Port Aransas Weather Forecast

    • 60
    • 65

    Increasing Clouds

    • 62
    • 66

    Rain Showers

    • 60
    • 66

    Rain Showers

    • 63
    • 67

    Mostly Cloudy

    • 56
    • 69

    Mostly Cloudy

    • 42
    • 64

    Chance Rain Showers

Today 19 Jan Nueces Islands

Sunny. Highs in the mid 60s. South Winds 5 to 10 Mph, increasing to southeast 10 to 15 Mph in the afternoon.

Tonight 19 Jan Nueces Islands

Partly cloudy in the Evening, then becoming mostly cloudy. Near steady temperature in the lower 60s. Southeast Winds 10 to 15 Mph.

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Port Aransas Temperature Statistics

January Temperature

Port Aransas, Mustang Beach Airport (1.9 miles)

  • Lowest 11 January, 2026

    48 °F

  • Average January

    65.2 °F

  • Highest 3 January, 2026

    81.5 °F

Climate (2021–Present)

Port Aransas, Mustang Beach Airport (1.9 miles)

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  • Average Low 2021–2026

    69.3 °F

  • Average 2021–2026

    73.7 °F

  • Average High 2021–2026

    78.5 °F
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