Port Isabel Weather Forecast

    • 81
    • 90

    Rain Showers Likely

    • 80
    • 89

    Rain Showers Likely

    • 80
    • 87

    Rain Showers Likely

    • 83
    • 89

    Chance Thunderstorms

    • 84
    • 91

    Slight Chance Thunderstorms

    • 83
    • 91

    Partly Sunny

Today 14 Jun Coastal Cameron

Partly sunny with a chance of Showers and Thunderstorms. Near steady temperature in the upper 80s. Southeast Winds around 15 Mph with Gusts up to 20 Mph. Chance of rain 40 percent. Heat index Values up to 108.

Tonight 14 Jun Coastal Cameron

Mostly cloudy with a slight chance of Showers and Thunderstorms in the Evening, then partly cloudy with Showers likely with a chance of Thunderstorms after midnight. Humid with Lows around 80. Southeast Winds 10 to 15 Mph. Chance of rain 70 percent.

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Port Isabel Temperature Statistics

June Temperature

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

  • Lowest 4 June, 2026

    75.7 °F

  • Average June

    83.6 °F

  • Highest 6 June, 2026

    90.6 °F

Climate (2021–Present)

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

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  • Average Low 2021–2026

    68.7 °F

  • Average 2021–2026

    76.2 °F

  • Average High 2021–2026

    83.9 °F
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