Port Mansfield Channel Entrance Weather Forecast

    • 79
    • 91

    Rain Showers Likely

    • 79
    • 90

    Rain Showers Likely

    • 80
    • 90

    Chance Thunderstorms

    • 80
    • 91

    Chance Thunderstorms

    • 79
    • 90

    Chance Thunderstorms

    • 79
    • 91

    Chance Thunderstorms

Today 16 Sep Willacy Island

Sunny. A chance of Showers with a slight chance of Thunderstorms this afternoon. Highs in the upper 80s. East Winds 10 to 15 Mph. Chance of rain 40 percent.

Tonight 16 Sep Willacy Island

Partly cloudy with a chance of Showers and Thunderstorms. Humid with Lows in the upper 70s. East Winds 10 to 15 Mph. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Port Mansfield Channel Entrance Temperature Statistics

September Temperature

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

  • Lowest 8 September, 2025

    75 °F

  • Average September

    83.7 °F

  • Highest 5 September, 2025

    93.9 °F

Climate (2020–Present)

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

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  • Average Low 2020–2025

    68.3 °F

  • Average 2020–2025

    75.6 °F

  • Average High 2020–2025

    83.3 °F
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