South Bay Entrance Weather Forecast

    • 59
    • 65

    Decreasing Clouds

    • 63
    • 70

    Mostly Sunny

    • 67
    • 76

    Partly Sunny

    • 70
    • 77

    Partly Sunny

    • 69
    • 78

    Chance Rain Showers

    • 69
    • 77

    Slight Chance Rain Showers

Today 8 Dec Cameron Island

Mostly sunny and Breezy, cooler. Near steady temperature in the lower 60s. North Winds 15 to 25 Mph with Gusts up to 30 Mph.

Tonight 8 Dec Cameron Island

Partly cloudy. Near steady temperature in the lower 60s. Northeast Winds 10 to 15 Mph.

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South Bay Entrance Temperature Statistics

December Temperature

Port Isabel, Port Isabel-Cameron County Airport (11.8 miles)

  • Lowest 2 December, 2025

    48.9 °F

  • Average December

    59.2 °F

  • Highest 4 December, 2025

    77 °F

Climate (2020–Present)

Port Isabel, Port Isabel-Cameron County Airport (11.8 miles)

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  • Average Low 2020–2025

    68.4 °F

  • Average 2020–2025

    75.8 °F

  • Average High 2020–2025

    83.5 °F
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