Alamo Weather Forecast
- 72
- 92
Mostly Cloudy
- 74
- 95
Mostly Cloudy
- 75
- 95
Mostly Cloudy
- 77
- 94
Mostly Cloudy
- 75
- 97
Hot
- 74
- 98
Hot
- 73
- 99
Hot
Today 30 Jun Hays
Partly cloudy. A slight chance of Showers and Thunderstorms this afternoon. Highs in the lower 90s. South Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of rain 20 percent.
Tonight 30 Jun Hays
Mostly cloudy Early, then becoming partly cloudy. A slight chance of Showers and Thunderstorms early. Hazy. Lows in the lower 70s. South Winds 5 to 10 Mph, becoming southwest. Chance of rain 20 percent.
Alamo Temperature Statistics
June Temperature
San Marcos, San Marcos Municipal Airport (5 miles)
Lowest 13 June, 2025
64.9 °FAverage June
82.1 °FHighest 9 June, 2025
98.1 °F
Climate (2020–Present)
San Marcos, San Marcos Municipal Airport (5 miles)
Average Low 2020–2025
59.2 °FAverage 2020–2025
69.9 °FAverage High 2020–2025
81.6 °F