Estero Llano Grande State Park Weather Forecast

    • 80
    • 100

    Hot

    • 80
    • 101

    Hot

    • 78
    • 101

    Hot

    • 78
    • 102

    Hot

    • 78
    • 102

    Hot

    • 79
    • 101

    Hot

Today 19 Aug Southern Hidalgo

Mostly sunny. Hot with Highs around 101. Southeast Winds 10 to 15 Mph with Gusts up to 25 Mph. Heat index Values up to 109.

Tonight 19 Aug Southern Hidalgo

Partly cloudy. Near steady temperature in the upper 70s. Southeast Winds 5 to 10 Mph with Gusts up to 20 Mph.

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Estero Llano Grande State Park Temperature Statistics

August Temperature

McAllen, Miller International Airport (18 miles)

  • Lowest 2 August, 2026

    74.6 °F

  • Average August

    92.1 °F

  • Highest 1 August, 2026

    107.7 °F

Climate (2021–2026)

McAllen, Miller International Airport (18 miles)

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  • Average Low 2021–2026

    68.3 °F

  • Average 2021–2026

    78 °F

  • Average High 2021–2026

    88.7 °F
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