Del Mar Heights Weather Forecast

    • 62
    • 77

    Chance Thunderstorms

    • 62
    • 83

    Decreasing Clouds

    • 61
    • 77

    Partly Sunny

    • 66
    • 83

    Mostly Sunny

    • 66
    • 85

    Partly Sunny

    • 65
    • 83

    Mostly Sunny

    • 65
    • 82

    Mostly Sunny

Today 17 Dec Inland Cameron

Partly sunny. A slight chance of Showers and Thunderstorms Early, then a chance of Showers and Thunderstorms. Highs in the upper 70s. South Winds 5 to 10 Mph. Chance of rain 50 percent.

Tonight 17 Dec Inland 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 southwest after midnight. Chance of rain 20 percent.

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Del Mar Heights Temperature Statistics

December Temperature

Port Isabel, Port Isabel-Cameron County Airport (8.7 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 (8.7 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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