Llano Grande Lake Weather Forecast

    • 57
    • 83

    Increasing Clouds

    • 61
    • 78

    Partly Sunny

    • 65
    • 85

    Partly Sunny

    • 66
    • 85

    Slight Chance Thunderstorms

    • 62
    • 83

    Chance Rain Showers

    • 64
    • 77

    Mostly Cloudy

Today 10 Dec Southern Hidalgo

Mostly sunny. Highs in the lower 80s. South Winds 5 to 10 Mph.

Tonight 10 Dec Southern Hidalgo

Partly cloudy. Lows in the mid 50s. East Winds around 5 Mph, becoming north after midnight.

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Llano Grande Lake Temperature Statistics

December Temperature

McAllen, Miller International Airport (18 miles)

  • Lowest 2 December, 2025

    48.9 °F

  • Average December

    62 °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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