Temperatures in St Athan on Wednesday were the 4th hottest in the whole of Wales, with temperatures reaching 28.3c.
According to the Met Office Bute Park in Cardiff saw the hottest temperatures, reaching 30.0c, with Usk reaching 29.4c and Hawarden Airport in Clwyd reached 28.4c.
The June temperature record for Wales is 33.7c, recorded at Machynlleth on June 18 2000.
A Met Office spokesperson said that warmer temperatures are on the way tomorrow and could be "knocking on the door" of the June record, with highs between 29-33c expected on Thursday
Nathan is the Operations Director at Bro Radio. You can hear him on air on Vale Breakfast weekday mornings from 7am or reading local news bulletins throughout the week.