what temp does roast beef need to be at
For safety, the USDA recommends cooking hamburgers and ground beef mixtures such as meat loaf to 160Â°F (70Â°C) on a meat thermometer. However, âwhole muscleâ meats such as steaks and roasts may be cooked to approximately. 1  145 Â°F (60Â° C) medium rare.  160 Â°F (70Â° C) medium.