South Bay Entrance Weather Forecast

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    Increasing Clouds

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    Becoming Sunny

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    Chance Rain Showers

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    Chance Thunderstorms

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    Chance Thunderstorms

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    Chance Rain Showers

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    Chance Rain Showers

Today 20 Sep Cameron Island

Sunny. Near steady temperature in the mid 80s. East Winds 5 to 10 Mph.

Tonight 20 Sep Cameron Island

Partly cloudy. Humid with Lows in the lower 80s. Southeast Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

South Bay Entrance Temperature Statistics

September Temperature

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

  • Lowest 1 September, 2026

    77.6 °F

  • Average September

    88.3 °F

  • Highest 10 September, 2026

    100.7 °F

Climate (2021–2026)

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

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  • Average Low 2021–2026

    68.8 °F

  • Average 2021–2026

    76.4 °F

  • Average High 2021–2026

    84.2 °F
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