Laguna Atascosa National Wildlife Refuge Weather Forecast

    • 77
    • 95

    Becoming Sunny

    • 78
    • 96

    Mostly Sunny

    • 77
    • 96

    Slight Chance Thunderstorms

    • 78
    • 96

    Chance Thunderstorms

    • 79
    • 96

    Chance Thunderstorms

    • 79
    • 95

    Chance Thunderstorms

Today 19 Sep Coastal Cameron

Sunny with Highs in the mid 90s. North Winds around 5 Mph, increasing to east 10 to 15 Mph in the afternoon. Heat index Values up to 108.

Tonight 19 Sep Coastal Cameron

Mostly clear. Humid with Lows in the upper 70s. Southeast Winds 5 to 10 Mph.

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  • Temperature Real-Time

Laguna Atascosa National Wildlife Refuge Temperature Statistics

September Temperature

Port Isabel, Port Isabel-Cameron County Airport (7.5 miles)

  • Lowest 1 September, 2026

    77.6 °F

  • Average September

    88.5 °F

  • Highest 10 September, 2026

    100.7 °F

Climate (2021–2026)

Port Isabel, Port Isabel-Cameron County Airport (7.5 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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