The weather is expected to be mostly clear on Friday, with some isolated showers set to affect eastern areas and the mountains later in the afternoon.
The met office said that there will be increased cloud cover in the western areas of the island, followed by isolated storms in the mountains and in some eastern areas.
Temperatures are expected to rise to 37 degrees inland, 35 on the northern coast, 34 on the eastern coast, 32 on the rest of the coast, and 29 degrees in the mountains.