Estero Llano Grande State Park Weather Forecast

    • 80
    • 103

    Hot

    • 80
    • 102

    Hot

    • 79
    • 101

    Hot

    • 79
    • 101

    Hot

    • 79
    • 101

    Hot

    • 79
    • 101

    Slight Chance Thunderstorms

Today 2 Sep Southern Hidalgo

Sunny, hot with Highs around 103. Southeast Winds 10 to 15 Mph with Gusts up to 25 Mph. Heat index Values up to 110.

Tonight 2 Sep Southern Hidalgo

Mostly clear. Near steady temperature in the lower 80s. South Winds 5 to 10 Mph with Gusts up to 20 Mph.

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Estero Llano Grande State Park Temperature Statistics

September Temperature

McAllen, Miller International Airport (18 miles)

  • Lowest

  • Average September

  • Highest

Climate (2021–2026)

McAllen, Miller International Airport (18 miles)

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  • Average Low 2021–2026

    68.3 °F
  • Average 2021–2026

    78.1 °F
  • Average High 2021–2026

    88.8 °F
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