St Joseph Island Weather Forecast

    • 74
    • 81

    Mostly Sunny

    • 74
    • 81

    Partly Sunny

    • 71
    • 80

    Mostly Cloudy

    • 71
    • 79

    Chance Rain Showers

    • 70
    • 78

    Chance Rain Showers

    • 70
    • 78

    Chance Rain Showers

    • 71
    • 78

    Chance Rain Showers

Today 23 Oct Aransas Islands

Mostly cloudy with a 30 percent chance of Showers. Highs in the upper 70s.

Tonight 23 Oct Aransas Islands

Mostly clear. Near steady temperature in the mid 70s. Southeast Winds 10 to 15 Mph.

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St Joseph Island Temperature Statistics

October Temperature

Rockport Aransas County Airport (8.7 miles)

  • Lowest 17 October, 2026

    56.6 °F

  • Average October

    80 °F

  • Highest 1 October, 2026

    93.7 °F

Climate (2021–2026)

Rockport Aransas County Airport (8.7 miles)

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  • Average Low 2021–2026

    67.8 °F

  • Average 2021–2026

    74.9 °F

  • Average High 2021–2026

    82.2 °F
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