In addition to the above, Naruto could use his weather - control ability for communication. For example, he could create specific cloud formations or weather patterns that are recognized as signals by his allies in other parts of the world. He could also use the weather to create natural barriers, like a wall of ice during winter or a raging river formed by heavy rain. This would not only protect his village but also make it difficult for enemies to approach. And during peace times, he could use his power to create beautiful weather for festivals and celebrations in the village.
Naruto could also use it for agricultural purposes in the village. He could bring rain to water the crops during a drought or use the sun to speed up the growth of plants. In battles, he could create strong winds to blow away opponents or lightning strikes to attack enemies from a distance. Moreover, he might be able to use the change in weather to his strategic advantage. For example, using a snowstorm to slow down the movement of an approaching enemy army. He could also use warm sunny weather to boost the morale of his comrades during a long and difficult battle.
He could use it for defense. For instance, creating a huge storm to block enemy attacks or a thick fog to hide his village from invaders.
Another possibility is that Naruto acquires the ability to control the weather from a powerful artifact. He might stumble upon an ancient relic during one of his adventures. This artifact has the power to control the weather, and once Naruto touches it or figures out how to use it, he gains this extraordinary ability. It could be that the artifact was created by a long - forgotten civilization that had mastered the art of weather manipulation.
In some fanfictions, Naruto might gain the ability to control the weather through a special training. Maybe he discovers a hidden jutsu or power within himself during a difficult mission or in a secret place. For example, he could find an ancient scroll that teaches him weather - controlling techniques.
Well, perhaps he first notices it during a really intense storm at Hogwarts. Maybe he's out in the courtyard and suddenly the wind starts to change direction as he gets a strange feeling inside. It could be that he was in a Quidditch match and the clouds above started to move in an odd way when he was concentrating hard on winning.
One unique application could be that he uses it to relive his training days and improve his skills even more. He can go back to his time with Jiraiya and learn from his mistakes during training. Another is that he can slow down time during a battle to dodge attacks that are otherwise too fast for him.
One possible application is for stealth and deception. Naruto could use the ink to create illusions of himself or other objects, confusing his enemies. For example, he could make it seem like there are multiple Narutos on the battlefield.
He could use it to unlock metal locks without a key. Just by using his magnetism control, he can manipulate the tumblers inside the lock.
It could be from some sort of ancient ninja training that was lost and he somehow discovers it. Maybe there's a hidden scroll or a hermit who teaches him this fire - controlling ability.
One possibility is that he inherits it through some sort of bloodline connection that was previously unknown. Maybe there's a distant relative who had the ability to control sand, and it somehow got passed down to Naruto.
One consequence could be that it disrupts the natural balance. If Naruto isn't careful, his weather control might cause floods in some areas or droughts in others. For example, if he overuses his power to create rain, it could lead to excessive flooding.
In some fanfictions, it could be due to a new jutsu he discovers. Maybe during a secret training session in an ancient scroll, he finds a forbidden technique that allows him to control people.