Wednesday will see increased medium and high cloud which in the afternoon may lead to isolated showers in some areas. There will also be light dust in the atmosphere at intervals.
Temperatures will rise to 25 C inland, around 23 C on the south and east coasts, around 22 C on the west and north coasts and around 18 C in the mountains.
Tonight there will be increased cloud at intervals, while there will be dust in the atmosphere. Temperatures will fall to 11 C inland, around 14 C on the coasts and 9 C in the mountains.
Thursday will start off mainly fine but clouds that develop later on will lead to scattered showers with the possibility of isolated thunderstorms, mainly from midday on. There will be light dust in the atmosphere which will gradually clear from the evening.
Temperatures will edge down to a little below the average for the time of year.
Friday will be mainly fine. Temperatures will rise to a little above the seasonal average.
Saturday will be mainly fine. Temperatures will rise further.