Wales is set to turn cooler over the coming days, with outbreaks of rain and thundery showers in the forecast. According to the Met Office, today will be rather cloudy with a chance of isolated showers, mainly across northern and western areas. Most places are expected to remain dry, with some periods of hazy sunshine. It will become breezier and fresher, although temperatures will remain warm for the time of year, reaching a maximum of 23°C. Co…