Laguna Atascosa Weather Forecast

    • 78
    • 95

    Partly Sunny

    • 79
    • 95

    Chance Rain Showers

    • 79
    • 97

    Hot

    • 77
    • 96

    Rain Showers Likely

    • 74
    • 92

    Rain Showers Likely

    • 73
    • 89

    Rain Showers Likely

Today 28 Sep Coastal Cameron

Mostly sunny. Humid with Highs in the lower 90s. East Winds 10 to 15 Mph. Heat index Values up to 107.

Tonight 28 Sep Coastal Cameron

Partly cloudy. Humid with Lows in the upper 70s. Southeast Winds 10 to 15 Mph.

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Laguna Atascosa Temperature Statistics

September Temperature

Port Isabel, Port Isabel-Cameron County Airport (6.2 miles)

  • Lowest 20 September, 2026

    75.7 °F

  • Average September

    87.7 °F

  • Highest 10 September, 2026

    100.7 °F

Climate (2021–2026)

Port Isabel, Port Isabel-Cameron County Airport (6.2 miles)

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  • Average Low 2021–2026

    68.8 °F

  • Average 2021–2026

    76.4 °F

  • Average High 2021–2026

    84.2 °F
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