Port Isabel Weather Forecast

    • 72
    • 84

    Decreasing Clouds

    • 70
    • 85

    Mostly Sunny

    • 75
    • 85

    Mostly Sunny

    • 75
    • 86

    Partly Sunny

    • 77
    • 87

    Partly Sunny

    • 77
    • 88

    Slight Chance Thunderstorms

    • 76
    • 88

    Chance Thunderstorms

Today 22 Sep Coastal Cameron

Breezy. Mostly cloudy. Scattered Showers and isolated Thunderstorms in the Morning, then isolated Showers in the afternoon. Highs in the mid 80s. North Winds 20 to 25 Mph. Chance of precipitation 50 percent.

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Port Isabel Temperature Statistics

September Temperature

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

  • Lowest 9 September, 2021

    73 °F
  • Average September

    83.7 °F
  • Highest 1 September, 2021

    95 °F

Climate (2010–Present)

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

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  • Average Low 2010–Present

    68.2 °F
  • Average 2010–Present

    74.6 °F
  • Average High 2010–Present

    82.3 °F
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