Estero Llano Grande State Park Weather Forecast

    • 66
    • 85

    Chance Rain Showers

    • 65
    • 85

    Partly Sunny

    • 65
    • 85

    Partly Sunny

    • 67
    • 86

    Mostly Sunny

    • 65
    • 86

    Partly Sunny

    • 57
    • 85

    Chance Rain Showers

Today 23 Dec Southern Hidalgo

Partly sunny. A slight chance of Showers and Thunderstorms this afternoon. Highs in the mid 80s. Southeast Winds 5 to 10 Mph. Gusts up to 20 Mph this afternoon. Chance of rain 20 percent.

Tonight 23 Dec Southern Hidalgo

Mostly clear in the Evening, then becoming partly cloudy. Patchy fog after midnight. Lows in the mid 60s. East Winds 5 to 10 Mph.

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Estero Llano Grande State Park Temperature Statistics

December Temperature

McAllen, Miller International Airport (18 miles)

  • Lowest 9 December, 2025

    48 °F

  • Average December

    66 °F

  • Highest 7 December, 2025

    91 °F

Climate (2020–Present)

McAllen, Miller International Airport (18 miles)

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  • Average Low 2020–2025

    67.7 °F

  • Average 2020–2025

    77.1 °F

  • Average High 2020–2025

    87.8 °F
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