Alamo Weather Forecast
- 66
- 88
Rain Showers
- 64
- 85
Severe Tstms
- 61
- 87
Mostly Sunny
- 63
- 91
Mostly Sunny
- 54
- 83
Mostly Sunny
- 50
- 75
Sunny
Today 24 Oct Hays
Mostly cloudy with a slight chance of Showers. A slight chance of Thunderstorms this afternoon. Highs in the mid 80s. South Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 20 percent.
Tonight 24 Oct Hays
A chance of Showers and Thunderstorms in the Evening, then Showers with Thunderstorms likely after midnight. Some Thunderstorms may produce heavy Rainfall, then some Thunderstorms may be severe with heavy rainfall after midnight. Lows in the mid 60s. South Winds 5 to 10 Mph with Gusts up to 25 Mph. Chance of rain 90 percent.
Alamo Temperature Statistics
October Temperature
San Marcos, San Marcos Municipal Airport (5 miles)
Lowest 20 October, 2025
57.9 °FAverage October
78.5 °FHighest 1 October, 2025
96.1 °F
Climate (2020–Present)
San Marcos, San Marcos Municipal Airport (5 miles)
Average Low 2020–2025
59.2 °FAverage 2020–2025
70 °FAverage High 2020–2025
81.7 °F