Brazos Island State Park Weather Forecast

    • 55
    • 68

    Breezy

    • 54
    • 59

    Breezy

    • 61
    • 65

    Mostly Sunny

    • 68
    • 72

    Mostly Cloudy

    • 69
    • 76

    Mostly Sunny

    • 69
    • 76

    Mostly Sunny

    • 70
    • 75

    Mostly Sunny

Today 29 Dec Cameron Island

Mostly cloudy. A chance of Showers in the morning. Very windy and cooler. Less humid with Highs in the mid 60s. Temperature falling to around 60 in the afternoon. North Winds 30 to 40 Mph with Gusts up to 50 Mph. Chance of rain 40 percent.

Tonight 29 Dec Cameron Island

Mostly cloudy and windy. Near steady temperature in the upper 50s. North Winds 20 to 30 Mph with Gusts up to 35 Mph.

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Brazos Island State Park Temperature Statistics

December Temperature

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

  • Lowest 15 December, 2025

    46.9 °F

  • Average December

    66.8 °F

  • Highest 18 December, 2025

    84.9 °F

Climate (2020–Present)

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

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  • Average Low 2020–2025

    68.5 °F

  • Average 2020–2025

    75.9 °F

  • Average High 2020–2025

    83.5 °F
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