San Antonio Bay Weather Forecast

    • 55
    • 71

    Breezy

    • 60
    • 70

    Sunny

    • 67
    • 72

    Mostly Sunny

    • 65
    • 76

    Chance Thunderstorms

    • 66
    • 74

    Mostly Sunny

    • 66
    • 75

    Mostly Sunny

Today 29 Oct Calhoun Islands

Sunny, Windy, cooler. Less humid with Highs in the lower 70s. Northwest Winds 25 to 30 Mph, becoming 20 to 30 Mph in the afternoon.

Tonight 29 Oct Calhoun Islands

Mostly clear and breezy. Lows in the mid 50s. Northwest Winds 15 to 25 Mph.

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San Antonio Bay Temperature Statistics

October Temperature

Rockport Aransas County Airport (21.7 miles)

  • Lowest 15 October, 2025

    66 °F

  • Average October

    80.9 °F

  • Highest 1 October, 2025

    90 °F

Climate (2020–Present)

Rockport Aransas County Airport (21.7 miles)

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  • Average Low 2020–2025

    67.1 °F

  • Average 2020–2025

    74.1 °F

  • Average High 2020–2025

    81.6 °F
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