Promoted to lance corporal in March 1918, Weathers fought with his battalion during the German spring offensive, but was gassed in May and did not return to his unit until the following month. He participated in the Battle of Hamel in July, the Battle of Amiens in August, and the Battle of Mont Saint-Quentin in September. At Mont Saint-Quentin he was recommended for the award of the Victoria Cross. Promoted to temporary corporal, he was mortally wounded in the head by a shell on 29 September during the Battle of St Quentin Canal, and died soon after, unaware that he was to receive the Victoria Cross, which was not announced until late December. Until 2016, his Victoria Cross was in private hands, but in that year it was purchased at auction and donated to the Australian War Memorial in Canberra, where it is displayed in the Hall of Valour.