Cotton Bayou Weather Forecast

    • 86
    • 88

    Partly Sunny

    • 85
    • 88

    Chance Thunderstorms

    • 85
    • 88

    Chance Thunderstorms

    • 84
    • 88

    Slight Chance Thunderstorms

    • 84
    • 88

    Partly Sunny

    • 82
    • 88

    Chance Thunderstorms

Today 12 Sep Matagorda Islands

Mostly sunny. Humid. Near steady temperature in the upper 80s. South Winds 15 to 20 Mph. Heat index Values up to 107.

Tonight 12 Sep Matagorda Islands

Partly cloudy. Near steady temperature in the mid 80s. South Winds 15 to 20 Mph.

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Cotton Bayou Temperature Statistics

September Temperature

Palacios Municipal Airport (14.9 miles)

  • Lowest 1 September, 2026

    76.6 °F

  • Average September

    87 °F

  • Highest 7 September, 2026

    95.6 °F

Climate (2021–2026)

Palacios Municipal Airport (14.9 miles)

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  • Average Low 2021–2026

    65.6 °F

  • Average 2021–2026

    73.3 °F

  • Average High 2021–2026

    81.1 °F
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