Mae’r tymheredd wedi cyrraedd 35.3 gradd Celsius yng Ngheredigion, gan dorri’r record flaenorol gafodd ei chofnodi yn 1990.https://t.co/EYIc9J4pbP
— Newyddion S4C (@NewyddionS4C) July 18, 2022
📈 It's provisionally the hottest day on record in Wales
— Met Office (@metoffice) July 18, 2022
🌡️ Gogerddan has reached 35.3°C so far today, exceeding the previous record high of 35.2°C, recorded at Hawarden Bridge, Flintshire on 2nd August 1990 #Heatwave2022#heatwave pic.twitter.com/jDhqhOFSVJ
Trefeurig 