According to the Instituto Português do Mar e da Atmosfera (IPMA), the minimum temperatures will range between 8 degrees Celsius (in Guarda) and 15 (Aveiro, Faro and Lisbon) and the maximum between 20 (in Oporto and the castle of Viana do) and 31 (in Faro).

EITHER IPMA also forecasts clear or cloudy skies for the continenttemporarily cloudy with high clouds, and a small drop in the minimum temperature, especially in the North and Center regions.

twenty two counties of the districts of Santarém, Castelo Branco, Portalegre and Faro present, this Thursday, maximum danger of fire, according to the IPMA.

they are in the greatest danger the municipalities of Alcanena, Chamusca, Vila Nova da Barquinha, Constância, Abrantes, Tomar, Ferreira do Zêzere, Sardoal, Mação (Santarém), Proença-a-Nova, Vila de Rei, Vila Velha de Ródão (Castelo Branco), Gavião, Nisa, Castelo de Vide and Marvão (Portalegre).

The municipalities of Aljezur, Lagos, Silves, Loulé, São Brás de Alportel and Tavira (Faro) are also at maximum risk of fire.

The IPMA also placed several municipalities in all districts of mainland Portugal, except Aveiro, Porto, Braga and Viana do Castelo, in high and very high danger.

According to the IPMA, the danger of fires will remain high in some regions of the continent at least until Sunday.

Light to moderate winds from the north/northwest are also expected, blowing from moderate to strong, with gusts of up to 75 km/h in the western coastal strip, in the west of the Algarve and in the mountains, especially in the Center and South.

Peninsula, Madeira and Azores with very high risk of UV radiation

Continental Portugal, the Azores archipelago and the island of Madeira present, this Thursday, a very high risk of exposure to ultraviolet (UV) radiation, according to the Portuguese Institute of the Sea and the Atmosphere (IPMA).

With high levels of exposure to UV radiation is the island of Porto Santo.

The ultraviolet radiation scale has five levels, between extreme and low risk.

For regions with very high risk, the IPMA advises the use of sunglasses with UV filter, hat, ‘t-shirt’, umbrella, sunscreen and that children are not exposed to the sun.

For high-risk regions, the use of sunglasses with UV filter, hat, ‘t-shirt’ and sunscreen is recommended.