Laguna Atascosa National Wildlife Refuge Weather Forecast

    • 76
    • 93

    Mostly Sunny

    • 77
    • 93

    Chance Thunderstorms

    • 77
    • 93

    Rain Showers Likely

    • 77
    • 92

    Chance Thunderstorms

    • 78
    • 93

    Chance Thunderstorms

    • 78
    • 94

    Slight Chance Thunderstorms

Today 21 Aug Coastal Cameron

Patchy fog this morning. Sunny. Highs in the lower 90s. North Winds around 5 Mph, becoming east this afternoon. Heat index Values up to 105.

Tonight 21 Aug Coastal Cameron

Mostly clear. Lows in the upper 70s. Southeast Winds 5 to 10 Mph, becoming south after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Laguna Atascosa National Wildlife Refuge Temperature Statistics

August Temperature

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

  • Lowest 15 August, 2025

    74.6 °F

  • Average August

    86.2 °F

  • Highest 2 August, 2025

    98.7 °F

Climate (2020–Present)

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

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  • Average Low 2020–2025

    68.2 °F

  • Average 2020–2025

    75.5 °F

  • Average High 2020–2025

    83.2 °F
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