Brockway qualified as a forecaster in 1995 and was posted to Birmingham Weather Centre, broadcasting on several BBC Radio stations across the English Midlands.
In December 1995 he moved to London, working at The London Studios on South Bank with fellow forecasters Martyn Davies and John Hammond, and briefing weather presenters Siân Lloyd, Laura Greene and Femi Oke. As well as preparing the ITV National Weather and Channel 4 weather, Brockway broadcast on GMTV's The Sunday Programme presented by Alastair Stewart and Steve Richards.