South Padre Island Weather Forecast

    • 82
    • 87

    Chance Thunderstorms

    • 82
    • 86

    Chance Thunderstorms

    • 83
    • 87

    Slight Chance Thunderstorms

    • 83
    • 87

    Partly Sunny

    • 83
    • 87

    Mostly Sunny

Today 8 Sep Cameron Island

Sunny with Highs in the upper 80s. Southeast Winds 10 to 15 Mph. Heat index Values up to 105.

Tonight 8 Sep Cameron Island

Mostly clear. Humid with Lows in the lower 80s. Southeast Winds 10 to 15 Mph. Heat index Values up to 105 early.

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South Padre Island Temperature Statistics

September Temperature

Port Isabel, Port Isabel-Cameron County Airport (10.6 miles)

  • Lowest 1 September, 2026

    77.6 °F

  • Average September

    88.5 °F

  • Highest 2 September, 2026

    99.6 °F

Climate (2021–2026)

Port Isabel, Port Isabel-Cameron County Airport (10.6 miles)

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  • Average Low 2021–2026

    68.8 °F

  • Average 2021–2026

    76.3 °F

  • Average High 2021–2026

    84.1 °F
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