Port Mansfield Channel Entrance Weather Forecast

    • 81
    • 94

    Becoming Sunny

    • 81
    • 92

    Mostly Sunny

    • 81
    • 91

    Mostly Sunny

    • 82
    • 94

    Mostly Sunny

    • 82
    • 91

    Mostly Sunny

    • 82
    • 91

    Mostly Sunny

Today 15 Aug Willacy Island

Sunny with Highs in the lower 90s. Southeast Winds 10 to 15 Mph. Heat index Values up to 108.

Tonight 15 Aug Willacy Island

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

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Port Mansfield Channel Entrance Temperature Statistics

August Temperature

Port Isabel, Port Isabel-Cameron County Airport (28 miles)

  • Lowest 3 August, 2026

    75.7 °F

  • Average August

    87.9 °F

  • Highest 1 August, 2026

    98.7 °F

Climate (2021–2026)

Port Isabel, Port Isabel-Cameron County Airport (28 miles)

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  • Average Low 2021–2026

    68.8 °F

  • Average 2021–2026

    76.3 °F

  • Average High 2021–2026

    84.1 °F
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