Dunham Bay Weather Forecast

    • 77
    • 88

    Mostly Sunny

    • 77
    • 88

    Mostly Sunny

    • 77
    • 88

    Chance Thunderstorms

    • 78
    • 88

    Chance Thunderstorms

    • 76
    • 87

    Chance Thunderstorms

    • 76
    • 87

    Chance Thunderstorms

Today 18 Sep Coastal Aransas

Sunny. Highs around 90. East Winds 5 to 10 Mph, increasing to 10 to 15 Mph this afternoon.

Tonight 18 Sep Coastal Aransas

Partly cloudy in the Evening, then becoming mostly clear. Lows in the mid 70s. Southeast Winds 10 to 15 Mph, becoming east around 5 Mph after midnight.

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Dunham Bay Temperature Statistics

September Temperature

Rockport Aransas County Airport (8.7 miles)

  • Lowest 9 September, 2025

    73 °F

  • Average September

    84.1 °F

  • Highest 3 September, 2025

    93.9 °F

Climate (2020–Present)

Rockport Aransas County Airport (8.7 miles)

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  • Average Low 2020–2025

    67 °F

  • Average 2020–2025

    74 °F

  • Average High 2020–2025

    81.5 °F
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