Port Isabel Weather Forecast

    • 80
    • 92

    Increasing Clouds

    • 80
    • 92

    Partly Sunny

    • 80
    • 92

    Mostly Sunny

    • 80
    • 93

    Mostly Sunny

    • 80
    • 89

    Mostly Sunny

    • 81
    • 89

    Mostly Sunny

    • 80
    • 89

    Mostly Sunny

Today 29 Jul Coastal Cameron

Sunny. Near steady temperature in the lower 90s. Southeast Winds 15 to 20 Mph with Gusts up to 30 Mph. Heat index Values up to 111.

Tonight 29 Jul Coastal Cameron

Mostly clear in the Evening, then becoming partly cloudy. Humid with Lows around 80. Southeast Winds 15 to 20 Mph with Gusts up to 25 Mph. Heat index Values up to 106 early in the evening.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Port Isabel Temperature Statistics

July Temperature

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

  • Lowest 9 July, 2026

    75.7 °F

  • Average July

    86.6 °F

  • Highest 22 July, 2026

    102.7 °F

Climate (2021–2026)

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

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    68.8 °F

  • Average 2021–2026

    76.3 °F

  • Average High 2021–2026

    84 °F
Get WillyWeather+ to remove ads