BBC weather presenter Simon King has forecasted a fourth heatwave for Wales next week, just as the region emerges from its third heatwave of the year. During his BBC Breakfast broadcast on Thursday, King stated: "We may be coming out of a third heatwave, but there may be another one developing next week."
BBC's Temperature Predictions
King elaborated on the forecast, noting that while it will remain warm through Friday, the weekend will bring cooler but still dry conditions. He added: "Into next week, you might see those temperatures above average again." A BBC temperature chart for Cardiff displayed predicted highs of 26C on Sunday, 27C on Monday, 28C on Tuesday and Wednesday, and 29C on Thursday.
Met Office's Contrasting Outlook
However, the Met Office's forecasts are more conservative, predicting temperatures peaking at 23C in Cardiff on Sunday and Monday, and 24C from Tuesday through Thursday. The Met Office's long-range forecast for July 21 to July 30 indicates: "Initially predominantly dry with large sunny spells away from the northwest where cooler, cloudier and wetter conditions are most likely. Though there will be a few isolated showers further south at times. Becoming very warm again in parts of the south before the weekend introduces a more widely unsettled and showery period including risk of thunderstorms - though still some good sunny spells and temperatures around or just above average for most."
Uncertainty Later in July
The Met Office added: "Toward the end of the month uncertainty increases, but potentially returning to a drier, settled and warm period, in the south especially." This suggests that while a heatwave is possible, the timing and intensity remain uncertain. The discrepancy between the BBC and Met Office forecasts highlights the challenges of predicting weather patterns, especially with potential heatwaves developing in quick succession.



