Cayo Atascoso Weather Forecast

    • 61
    • 76

    Chance Thunderstorms

    • 59
    • 80

    Partly Sunny

    • 60
    • 74

    Mostly Sunny

    • 65
    • 81

    Mostly Sunny

    • 65
    • 82

    Partly Sunny

    • 64
    • 80

    Mostly Sunny

    • 63
    • 79

    Mostly Sunny

Today 17 Dec Coastal Cameron

Partly sunny. Patchy fog early. A slight chance of Showers and Thunderstorms Early, then a chance of Showers and Thunderstorms. Near steady temperature in the lower 70s. Southeast Winds 5 to 10 Mph. Chance of rain 50 percent.

Tonight 17 Dec Coastal Cameron

Mostly cloudy. A slight chance of Showers and Thunderstorms this evening. Areas of fog after midnight. Lows in the lower 60s. Southeast Winds around 5 Mph, becoming south around 5 Mph after midnight. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Cayo Atascoso Temperature Statistics

December Temperature

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

  • Lowest 15 December, 2025

    46.9 °F

  • Average December

    62.7 °F

  • Highest 10 December, 2025

    82.9 °F

Climate (2020–Present)

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

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  • Average Low 2020–2025

    68.5 °F

  • Average 2020–2025

    75.8 °F

  • Average High 2020–2025

    83.5 °F
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