South Bay Entrance Weather Forecast

    • 81
    • 88

    Mostly Sunny

    • 80
    • 88

    Chance Thunderstorms

    • 80
    • 88

    Chance Thunderstorms

    • 81
    • 88

    Chance Thunderstorms

    • 81
    • 88

    Slight Chance Thunderstorms

    • 82
    • 88

    Slight Chance Thunderstorms

Today 21 Aug Cameron Island

Sunny. Highs in the mid 80s. West Winds around 5 Mph, becoming east this afternoon.

Tonight 21 Aug Cameron Island

Mostly clear. Lows in the lower 80s. Southeast Winds 5 to 10 Mph, becoming south after midnight.

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South Bay Entrance Temperature Statistics

August Temperature

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

  • Lowest 15 August, 2025

    74.6 °F

  • Average August

    86.2 °F

  • Highest 2 August, 2025

    98.7 °F

Climate (2020–Present)

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

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  • Average Low 2020–2025

    68.2 °F

  • Average 2020–2025

    75.5 °F

  • Average High 2020–2025

    83.2 °F
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