Met Office forecast for Monday
Fresher in the northwest, but it will be another warm day in the southeast. Here is the full forecast for Wales:
A cloudy morning towards the northwest with some patchy light rain at times. Elsewhere sunny spells. Through the afternoon, cloud spreads south but with occasional sunny spells too. Feeling fresher in the northwest but very warm towards the southeast. Maximum temperature 23 °C.
Tonight, some late sunny spells developing from the north through evening followed by clear spells during the night. A cooler and fresher feeling night than of late, with light winds. Minimum temperature 3 °C.