Estero Llano Grande State Park Weather Forecast

    • 66
    • 89

    Decreasing Clouds

    • 65
    • 91

    Mostly Sunny

    • 70
    • 92

    Partly Sunny

    • 75
    • 92

    Partly Sunny

    • 79
    • 93

    Mostly Cloudy

    • 81
    • 93

    Mostly Cloudy

    • 80
    • 95

    Mostly Cloudy

Today 12 May Southern Hidalgo

Mostly sunny. Near steady temperature in the upper 80s. Northeast Winds 5 to 10 Mph.

Tonight 12 May Southern Hidalgo

Partly cloudy. Lows in the upper 60s. East Winds 10 to 15 Mph with Gusts up to 20 Mph, becoming southeast around 5 Mph after midnight.

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  • Temperature Real-Time

Estero Llano Grande State Park Temperature Statistics

May Temperature

McAllen, Miller International Airport (18 miles)

  • Lowest 2 May, 2026

    62.7 °F

  • Average May

    80.2 °F

  • Highest 6 May, 2026

    101.6 °F

Climate (2021–Present)

McAllen, Miller International Airport (18 miles)

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  • Average Low 2021–2026

    68.1 °F

  • Average 2021–2026

    77.6 °F

  • Average High 2021–2026

    88.3 °F
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