Temperatures will remain below 40 C inland today, offering some respite from the extreme heat of recent days. However, they are set to rise again to above the seasonal average later this week.
In its early morning weather bulletin, the Met Office said that Tuesday would be mainly beautiful, although locally, there will be an increased cloud at intervals in the west and the afternoon in the mountains.
Winds will pick up strength during the day, becoming moderate to healthy and very strong locally.
Temperatures will rise to 37 C inland, around 33 C in the southeast, the east and north coasts, approximately 30 C on the remaining beaches, and about 28 C in the mountains.
Tonight will be mainly beautiful, but locally, there will be low cloud and patchy fog.
Temperatures will fall to 21 C inland, the west and north coasts, around 22 C on the remaining coasts, and 16 C in the mountains.
Wednesday, Thursday, and Friday will be mainly beautiful, with local increased cloud at intervals.
In the afternoons, there may be isolated showers or thunderstorms in the mountains. There will be patchy local fog and low clouds at night and early in the morning.
Temperatures will edge down on Wednesday to a little below average for the time of year but will edge up again by Friday to a little above the seasonal average.