San Juan Fishing Reports Mid January Outlook read more Flow up to 500 CFS read more San Juan River has been consistent read more May 7, 2022 read more March 28, 2021 read more STREAM FLOWS AS OF: September 27, 2023 San Juan near Archuleta Temperature: 44.24 ° FStreamflow: 636 ft³/sGage height: 3.45 ft USGS