Brazos Island State Park Weather Forecast

    • 80
    • 85

    Rain Showers Likely

    • 81
    • 84

    Rain Showers

    • 81
    • 85

    Rain Showers Likely

    • 80
    • 84

    Rain Showers Likely

    • 81
    • 84

    Chance Thunderstorms

    • 82
    • 85

    Chance Thunderstorms

Today 16 Sep Cameron Island

Sunny. A chance of Showers and Thunderstorms this afternoon. Near steady temperature in the mid 80s. East Winds 10 to 15 Mph. Chance of rain 40 percent.

Tonight 16 Sep Cameron Island

Partly cloudy with a chance of Thunderstorms. A chance of Showers this Evening, then Showers likely after midnight. Lows around 80. East Winds 10 to 15 Mph. Chance of rain 70 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Brazos Island State Park Temperature Statistics

September Temperature

Port Isabel, Port Isabel-Cameron County Airport (14.9 miles)

  • Lowest 8 September, 2025

    75 °F

  • Average September

    83.8 °F

  • Highest 5 September, 2025

    93.9 °F

Climate (2020–Present)

Port Isabel, Port Isabel-Cameron County Airport (14.9 miles)

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  • Average Low 2020–2025

    68.3 °F

  • Average 2020–2025

    75.6 °F

  • Average High 2020–2025

    83.3 °F
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