Weather Girls is a group of Japanese idols from Taiwan. Originally, the group is formed in 2010 and acted as weather forecasters on television and the internet for Taiwan and the United States. After attracting attention in Japan, seven of its members, one for each day of the week, are selected to debut as an idol group in Japan in 2012. They are the first Taiwanese girl group to come to Japan.
In Japan, the group is under Pony Canyon and is managed by Ritz Productions. Jeff Miyahara is the producer of the group. After its debut, the group had continuously performed in all regions of the country. Its members had also starred in dramas, hosted television shows, and sung television theme songs. The group had released six Japanese singles, one Japanese album, and other work.
In 2013, the group also debuted as a musical group in Taiwan. The group issued a Mandarin album in the following year. In its homeland, the group is under FEMC and is managed by L Motion Entertainment. Its producer is Bryan Chen.