Brazos Island State Park Weather Forecast

    • 81
    • 85

    Increasing Clouds

    • 82
    • 85

    Mostly Cloudy

    • 82
    • 85

    Mostly Cloudy

    • 81
    • 85

    Partly Sunny

    • 81
    • 87

    Partly Sunny

    • 81
    • 87

    Partly Sunny

Today 13 Jul Cameron Island

Mostly sunny. Humid with Highs in the mid 80s. Southeast Winds 10 to 15 Mph.

Tonight 13 Jul Cameron Island

Partly cloudy. Near steady temperature in the lower 80s. South Winds 10 to 15 Mph with Gusts up to 20 Mph.

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Brazos Island State Park Temperature Statistics

July Temperature

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

  • Lowest 9 July, 2026

    75.9 °F

  • Average July

    85.9 °F

  • Highest 8 July, 2026

    96.7 °F

Climate (2021–2026)

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

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  • Average Low 2021–2026

    68.7 °F

  • Average 2021–2026

    76.2 °F

  • Average High 2021–2026

    84 °F
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