"Blame It on the Weatherman" is a song by Irish girl group B*Witched, written by Ray "Madman" Hedges, Martin Brannigan, Tracy Ackerman, and Andy Caine. It was released as the fourth single from their self-titled debut studio album on 15 March 1999.

B*Witched are an Irish girl group consisting of twin sisters Edele and Keavy Lynch, Lindsay Armaou and Sinéad O'Carroll. Originally active between 1997 and 2002, they enjoyed success in both Europe and North America between 1998 and 2002, releasing two albums and eight singles, all of which made the UK Top 20. Their first four singles, "C'est la Vie", "Rollercoaster", "To You I Belong" and "Blame It on the Weatherman", all reached number one in the UK Singles Chart and the group having sold over 3 million albums worldwide.