Port Mansfield Channel Entrance Weather Forecast

    • 62
    • 72

    Rain Showers Likely

    • 64
    • 74

    Partly Sunny

    • 57
    • 76

    Mostly Cloudy

    • 38
    • 68

    Chance Rain Showers

    • 35
    • 49

    Chance Rain Showers

    • 41
    • 53

    Mostly Cloudy

Today 21 Jan Willacy Island

Cloudy. Showers Likely, mainly in the morning. Highs in the lower 70s. Southeast Winds 5 to 10 Mph. Chance of rain 60 percent.

Tonight 21 Jan Willacy Island

Mostly cloudy in the Evening, then becoming partly cloudy. Lows in the lower 60s. Southeast Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Port Mansfield Channel Entrance Temperature Statistics

January Temperature

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

  • Lowest 18 January, 2026

    42.1 °F

  • Average January

    65.7 °F

  • Highest 3 January, 2026

    87.1 °F

Climate (2021–Present)

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

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  • Average Low 2021–2026

    68.6 °F

  • Average 2021–2026

    75.9 °F

  • Average High 2021–2026

    83.5 °F
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