The members of Hot Flash Heat Wave all grew up in Davis, California, and first met in high school.[5] The members came up with the name Hot Flash Heat Wave due to a period of hot weather in San Francisco.[6] In 2015, Hot Flash Heat Wave released their first full-length album, Neapolitan.[7][8][9][10] In June 2016, the band released their first song since their debut full-length album, titled "Bye Bye Baby".[11] In March 2017, Hot Flash Heat Wave announced their second full-length album, released by OIM Records. The album, titled Soaked, was released on June 2, 2017. The album was produced by Jeff Saltzman.[12][13][14][15][16]
In November 2018, Hot Flash Heat Wave released a song titled "Dreaming of U", featuring Sophie Meiers.[17] In early 2019, they released another new song, titled "Sky So Blue".[18] In September 2020, the band released their song titled "Grudge".[19] Throughout 2021, the group released three singles, "m o t i o n s", "Vampires", and "Where I'm @". The group released a single called "Bay Boys" on the 11 February 2022 followed by the album Sportswear on 11 March.[20][21]