Port Isabel Weather Forecast

    • 73
    • 83

    Slight Chance Thunderstorms

    • 72
    • 82

    Partly Sunny

    • 74
    • 83

    Partly Sunny

    • 74
    • 82

    Mostly Sunny

    • 75
    • 82

    Partly Sunny

    • 75
    • 83

    Partly Sunny

Today 28 Oct Coastal Cameron

Mostly sunny. A slight chance of Showers and Thunderstorms in the afternoon. Highs in the mid 80s. Southeast Winds around 5 Mph, increasing to east 10 to 15 Mph with Gusts up to 20 Mph in the afternoon. Chance of rain 20 percent.

Tonight 28 Oct Coastal Cameron

Mostly cloudy. Lows in the lower 70s. Southeast Winds 10 to 15 Mph.

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Port Isabel Temperature Statistics

October Temperature

Port Isabel, Port Isabel-Cameron County Airport (9.9 miles)

  • Lowest 17 October, 2026

    59.6 °F

  • Average October

    79.9 °F

  • Highest 1 October, 2026

    95 °F

Climate (2021–2026)

Port Isabel, Port Isabel-Cameron County Airport (9.9 miles)

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  • Average Low 2021–2026

    68.9 °F

  • Average 2021–2026

    76.4 °F

  • Average High 2021–2026

    84.2 °F
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