She joined the Met Office as a graduate trainee in 1990. After qualifying as a weather forecaster, she started broadcasting on HTV West as a stand-in, and then appearing as a regular presenter for BBC West.
In November 1993, she joined the BBC Weather Centre as the then youngest BBC weather presenter. She was the main presenter for The Weather Show and also presented the radio series Strange Weather Days, and the weather series for the children's programme Zig-Zag. She was the lead presenter at the BBC Weather Centre from 2002 until 11 November 2005, when she left to become a full-time mother to her young family.
Married to Kerith Rees a British Airways pilot and resident in Sutton in Surrey, since her retirement from BBC Weather she has co-authored a children's book, Discovery Plus: Weather & Sky. She also acts for the London Borough of Sutton as an Ambassador for the School Travel Plan, leading assemblies and lessons on environmental issues such as weather/climate change, to all age groups from Nursery School children up to learned adults.
- "Helen Young to leave Weather team". BBC. 11 November 2005. Retrieved 8 February 2013.
- "Helen Young". Rotary Clubs of Great Britain. Retrieved 8 February 2013.
- Tim Walker & Helen Young (September 2000). Weather & Sky: Explore the Extreme Forces of the Earth and the Harsh Environment of Space. Silver Dolphin. ISBN 1571454497.
- "BBC weather girl Helen Young teaches Cheam Park Farm infants school pupils about the Wow factor". Surrey Comet. 5 October 2009. Retrieved 8 February 2013.[permanent dead link]