RTÉ Weather's Joanna Donnelly is from Dublin and studied Applied Maths in DCU. After university she worked in a college in Dublin before joining Met Eireann in 1995, working as a meteorological officer before being promoted to meteorologist in 2000.

She has been working as a forecaster and broadcasting on RTÉ Radio 1 since February 2002. She began TV broadcasting in December 2015 and presents RTÉ One and RTÉ2 weather bulletins.

Her interests are wide and varied, she is an accomplished knitter and seamstress. She also takes part in triathlons, and in 2015 completed the Dublin City Marathon. Her first fitness love is her daily yoga routine, which she learned as a child while studying karate, which she still practices regularly to this day. She loves the cinema and musical theatre and is a regular at theatre shows. She also loves to read and listen to music.

Joanne is married to fellow forecaster, Harm Luijkx, from The Netherlands. Together they have three children, a daughter Nicci, and two sons, Tobias and Casper.

Joanna also help run an infertility charity called Pomegranate, which she set up with a friend in 2010.