Estero Llano Grande State Park Weather Forecast

    • 81
    • 99

    Hot

    • 78
    • 99

    Rain Showers Likely

    • 75
    • 95

    Rain Showers

    • 74
    • 92

    Rain Showers

    • 73
    • 88

    Rain Showers

    • 72
    • 86

    Rain Showers Likely

Today 30 Sep Southern Hidalgo

Mostly sunny. Hot with Highs around 100. Southeast Winds 10 to 15 Mph with Gusts up to 30 Mph. Heat index Values up to 114.

Tonight 30 Sep Southern Hidalgo

Partly cloudy with a 20 percent chance of Showers. Humid with Lows in the lower 80s. Southeast Winds 10 to 15 Mph with Gusts up to 30 Mph. Heat index Values up to 109 early in the evening.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Estero Llano Grande State Park Temperature Statistics

September Temperature

McAllen, Miller International Airport (18 miles)

  • Lowest 5 September, 2026

    75.7 °F

  • Average September

    92.5 °F

  • Highest 10 September, 2026

    107.7 °F

Climate (2021–2026)

McAllen, Miller International Airport (18 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    68.4 °F

  • Average 2021–2026

    78.2 °F

  • Average High 2021–2026

    88.9 °F
Get WillyWeather+ to remove ads