Port Isabel Weather Forecast

    • 69
    • 78

    Increasing Clouds

    • 69
    • 79

    Mostly Cloudy

    • 66
    • 77

    Rain Showers

    • 67
    • 78

    Chance Rain Showers

    • 69
    • 81

    Partly Sunny

    • 69
    • 81

    Partly Sunny

    • 68
    • 80

    Partly Sunny

Today 25 Mar Coastal Cameron

Mostly cloudy this Morning, then becoming mostly sunny. Patchy fog this morning. Highs around 80. East Winds 5 to 10 Mph.

Tonight 25 Mar Coastal Cameron

Mostly cloudy. Lows in the upper 60s. East Winds 10 to 15 Mph.

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Port Isabel Temperature Statistics

March Temperature

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

  • Lowest 10 March, 2025

    48 °F

  • Average March

    70 °F

  • Highest 8 March, 2025

    93 °F

Climate (2020–Present)

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

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  • Average Low 2020–2025

    68.1 °F

  • Average 2020–2025

    75.4 °F

  • Average High 2020–2025

    83.1 °F
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