Thursday will be mainly fine with increased clouds in the afternoon, particularly in the mountains.
Temperatures will be 33 C inland, 29 C on the coast and 25 C in the mountains.
On Friday the weather will be mainly fine, with localised increased cloud particularly in the mountains in the afternoon.
There will also be increased cloud on Saturday whereas on Sunday there is a possibility of isolated showers.
Temperatures will edge up on Friday and Saturday to slightly above average for the time of year, falling on Sunday to average for the time of year.
