Port Isabel Weather Forecast

    • 82
    • 89

    Mostly Sunny

    • 82
    • 88

    Rain Showers Likely

    • 80
    • 89

    Chance Thunderstorms

    • 80
    • 88

    Rain Showers Likely

    • 79
    • 86

    Rain Showers Likely

    • 81
    • 88

    Slight Chance Thunderstorms

Today 12 Jun Coastal Cameron

Sunny with Highs in the upper 80s. Southeast Winds 15 to 20 Mph with Gusts up to 25 Mph. Heat index Values up to 105.

Tonight 12 Jun Coastal Cameron

Partly cloudy. Near steady temperature in the lower 80s. Southeast Winds 10 to 15 Mph with Gusts up to 20 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

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 °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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