The IPMA also placed the islands of Faial and Terceira, in the Azores, at a “high” risk of exposure to ultraviolet rays.

For regions with very high and high risk, the IPMA recommends the use of sunglasses with UV filter, hat, 't-shirt', parasol, sunscreen and avoiding children's exposure to the Sun.

The Portuguese Institute of the Sea and the Atmosphere foresees today a generally cloudy sky, temporarily very cloudy by high clouds.

The wind will blow weak to moderate (up to 30 km / h) from the east quadrant, gradually rotating towards the south quadrant from mid-morning, becoming moderate to strong (up to 45 km / h) in the highlands from the beginning in the morning.

Forecasts point to a sharp rise in maximum temperature, especially on the west coast.

In the Azores, western group (Flores and Corvo), the sky will generally be very cloudy, with periods of rain and showers and conditions favorable to the occurrence of thunderstorms.

For the central group (Terceira, São Jorge, Pico, Graciosa and Faial), periods of very cloudy and open skies are expected, increasing in cloudiness, and periods of rain and showers especially in the afternoon and conditions favorable to the occurrence of thunderstorms.

In the eastern group (São Miguel and Santa Maria) the sky will also have periods of very cloudy with open skies, increasing in cloudiness towards the end of the day.

Showers are expected and conditions favorable to the occurrence of thunderstorms in these Azorean islands.

For the archipelago of Madeira, the IPMA points to periods of very cloudy skies, becoming temporarily very

cloudy in the afternoon.

It also provides for periods of rain or showers starting in the afternoon, especially in the highlands.

The maximum temperatures expected today are 34 centigrade in Santarém, 32 in Beja, 31 in Lisbon, 30 in Coimbra, 29 in Porto, Viana do Castelo, Faro and the Algarve and 27 in Bragança, 23 in Funchal and 17 in Ponta Slender.