Llano Grande Lake Weather Forecast
- 67
- 85
Mostly Cloudy
- 66
- 85
Slight Chance Thunderstorms
- 65
- 85
Partly Sunny
- 65
- 85
Mostly Sunny
- 66
- 86
Mostly Sunny
- 66
- 86
Partly Sunny
- 57
- 84
Chance Rain Showers
Today 22 Dec Southern Hidalgo
Partly sunny. A slight chance of Showers and Thunderstorms. Highs in the mid 80s. Southeast Winds 5 to 10 Mph. Chance of rain 20 percent.
Tonight 22 Dec Southern Hidalgo
Partly cloudy in the Evening, then becoming mostly cloudy. Lows in the upper 60s. Southeast Winds 5 to 10 Mph.
Llano Grande Lake Temperature Statistics
December Temperature
McAllen, Miller International Airport (18 miles)
Lowest 9 December, 2025
48 °FAverage December
65.5 °FHighest 7 December, 2025
91 °F
Climate (2020–Present)
McAllen, Miller International Airport (18 miles)
Average Low 2020–2025
67.7 °FAverage 2020–2025
77.1 °FAverage High 2020–2025
87.8 °F