Brazos Island State Park Weather Forecast

    • 83
    • 85

    Chance Thunderstorms

    • 81
    • 85

    Rain Showers Likely

    • 81
    • 84

    Rain Showers Likely

    • 81
    • 84

    Rain Showers Likely

    • 80
    • 84

    Chance Rain Showers

    • 81
    • 84

    Chance Rain Showers

Today 13 Sep Cameron Island

Sunny with a chance of Showers with a slight chance of Thunderstorms. Near steady temperature in the mid 80s. East Winds 10 to 15 Mph. Chance of rain 50 percent.

Tonight 13 Sep Cameron Island

Mostly clear in the Evening, then becoming partly cloudy. Humid. Near steady temperature in the mid 80s. Southeast Winds 10 to 15 Mph.

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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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