Copano Bay Entrance Weather Forecast

    • 81
    • 89

    Slight Chance Thunderstorms

    • 81
    • 89

    Mostly Sunny

    • 81
    • 89

    Slight Chance Thunderstorms

    • 81
    • 88

    Partly Sunny

    • 81
    • 87

    Partly Sunny

    • 81
    • 87

    Partly Sunny

Today 22 Sep Coastal Aransas

Sunny with a slight chance of Showers and Thunderstorms. Highs in the mid 90s. East Winds 5 to 10 Mph. Chance of rain 20 percent.

Tonight 22 Sep Coastal Aransas

Mostly clear. Lows in the upper 70s. Southeast Winds 10 to 15 Mph, becoming east around 5 Mph after midnight.

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  • Temperature Real-Time

Copano Bay Entrance Temperature Statistics

September Temperature

Rockport Aransas County Airport (3.1 miles)

  • Lowest 10 September, 2026

    74.6 °F

  • Average September

    87.4 °F

  • Highest 4 September, 2026

    96.7 °F

Climate (2021–2026)

Rockport Aransas County Airport (3.1 miles)

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  • Average Low 2021–2026

    67.7 °F

  • Average 2021–2026

    74.8 °F

  • Average High 2021–2026

    82.1 °F
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