Estero Llano Grande State Park Weather Forecast

    • 77
    • 97

    Chance Thunderstorms

    • 77
    • 97

    Rain Showers Likely

    • 77
    • 97

    Rain Showers Likely

    • 77
    • 98

    Chance Thunderstorms

    • 78
    • 99

    Chance Thunderstorms

    • 78
    • 99

    Hot

Today 23 Sep Southern Hidalgo

Mostly sunny. A slight chance of Showers in the Morning, then a chance of Showers and Thunderstorms in the afternoon. Highs in the upper 90s. Northeast Winds around 5 Mph, increasing to east 10 to 15 Mph with Gusts up to 25 Mph in the afternoon. Chance of rain 50 percent. Heat index Values up to 107.

Tonight 23 Sep Southern Hidalgo

Partly cloudy in the Evening, then clearing. Humid with Lows in the upper 70s. East Winds 10 to 15 Mph with Gusts up to 25 Mph in the Evening, becoming light and variable.

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

    92.9 °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