She left school at the age of 16 and went to London to be trained as a secretary the following year.
Ogwen later went to present the program Siôn a Siân during the 1960s and children's shows as well as acting in Now You're Talking, a television series for learners.
[3] Ogwen retired as a weather presenter in August 2004 and was replaced by Erin Roberts.
Her son Rhodri Williams works with Sky Sports in London and on S4C on programs like Y Clwb Rygbi and Pacio.
She is the mother of Sara, who presents on S4C, and she is also grandmother to her daughter, Sophia, who played Catherine Bennett in Pobol y Cwm.