San Marcos Weather Forecast
- 73
- 96
Becoming Sunny
- 75
- 95
Partly Sunny
- 74
- 95
Partly Sunny
- 72
- 94
Slight Chance Thunderstorms
- 70
- 94
Partly Sunny
- 69
- 94
Partly Sunny
Today 29 May Hays
Partly cloudy this Morning, then clearing. Patchy fog this morning. Highs in the mid 90s. South Winds 15 to 20 Mph with Gusts up to 30 Mph.
Tonight 29 May Hays
Mostly clear in the Evening, then becoming mostly cloudy. Lows in the lower 70s. South Winds 15 to 20 Mph with Gusts up to 30 Mph.
San Marcos Temperature Statistics
May Temperature
San Marcos, San Marcos Municipal Airport (4.3 miles)
Lowest 26 May, 2022
57 °FAverage May
79.7 °FHighest 21 May, 2022
99 °F
Climate (2010–Present)
San Marcos, San Marcos Municipal Airport (4.3 miles)
Average Low 2010–Present
57.2 °FAverage 2010–Present
67.7 °FAverage High 2010–Present
80.4 °F