Cross Lake Weather Forecast

    • 77
    • 102

    Hot

    • 78
    • 100

    Hot

    • 79
    • 99

    Hot

    • 80
    • 100

    Hot

    • 79
    • 100

    Hot

    • 79
    • 100

    Hot

Today 22 Aug Inland Cameron

Mostly sunny. Hot with Highs around 101. Southeast Winds 10 to 15 Mph. Heat index Values up to 109.

Tonight 22 Aug Inland Cameron

Partly cloudy. Near steady temperature around 80. South Winds 5 to 10 Mph with Gusts up to 20 Mph.

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Cross Lake Temperature Statistics

August Temperature

Port Isabel, Port Isabel-Cameron County Airport (8.7 miles)

  • Lowest 3 August, 2026

    75.7 °F

  • Average August

    87.9 °F

  • Highest 1 August, 2026

    98.7 °F

Climate (2021–2026)

Port Isabel, Port Isabel-Cameron County Airport (8.7 miles)

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  • Average Low 2021–2026

    68.8 °F

  • Average 2021–2026

    76.3 °F

  • Average High 2021–2026

    84.1 °F
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