The high-pressure system will continue to dominate the weather, although the lower layers of the atmosphere will become more humid from the south.
In some valleys, the day will begin with low stratus clouds, which will clear during the morning. Elsewhere, the sun will shine the whole day.
Maximum temperatures will range from 23° to 26°.
Often sunny and mild autumn weather
Wednesday will see low-lying clouds in the morning and sunshine during the day.
Thursday will be sunny at times. Many valleys will initially have low-lying clouds, and some high clouds will drift through as the day progresses.
Friday will bring a mix of sun and clouds. It will remain relatively mild for this time of year.
On Saturday, sunshine will prevail in the south, whilst in the northern parts of the region thicker clouds will develop during the day and isolated rain showers are possible.
The high-pressure system will continue to dominate the weather, although the lower layers of the atmosphere will become more humid from the south.