[1] After starting his career in Asmundtorps IF at the age of three, Weberg later moved to Billeberga GIF and Häljarps IF, before joining Helsingborgs IF when he was twelve years old.
He made his senior debut in Helsingborgs IF in a training match against Norwegian club Vålerenga on 23 June 2016.
[2] After being given playing time in training matches and in the Swedish Cup, he made his debut in the Superettan against GAIS on 22 April 2017.
[4] On transfer deadline day, 31 January 2023, Weberg was loaned out to Danish 1st Division club HB Køge until the end of June 2023.
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