South Bay Entrance Weather Forecast

    • 67
    • 74

    Mostly Sunny

    • 71
    • 78

    Mostly Sunny

    • 58
    • 81

    Breezy

    • 58
    • 65

    Breezy

    • 62
    • 68

    Partly Sunny

    • 65
    • 73

    Partly Sunny

Today 13 Mar Cameron Island

Sunny. Near steady temperature in the lower 70s. Southeast Winds 10 to 15 Mph.

Tonight 13 Mar Cameron Island

Mostly clear. Near steady temperature around 70. Southeast Winds 10 to 15 Mph.

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South Bay Entrance Temperature Statistics

March Temperature

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

  • Lowest 2 March, 2026

    66.7 °F

  • Average March

    78.6 °F

  • Highest 11 March, 2026

    91 °F

Climate (2021–Present)

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

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  • Average Low 2021–2026

    68.6 °F

  • Average 2021–2026

    76 °F

  • Average High 2021–2026

    83.8 °F
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