Lisbon: Lisbon faces an extreme-heat weekend. Saturday will range from 25°C to 39°C, with mostly clear skies in the afternoon. Sunday will bring highs of 40°C and lows of 26°C. Scorching temperatures and slightly cloudy skies will continue on Monday, so extra caution is needed.

The South: The South will experience high temperatures on Saturday, with a high of 34°C and a low of 24°C under cloudy skies. On Sunday, the high rises to 35°C, and the sun shines more brightly after midday. Monday will bring similar conditions. Due to strong UV rays, sun protection is essential.

The Centre: In the Central region, Saturday will be very hot, with a high of 39°C. Notably, the low will be an extreme 32°C. Skies will clear briefly around 3 pm. On Sunday, temperatures will stabilise, but skies will remain heavily clouded. Monday will see a slight one-degree drop in local maximum temperatures.

The North: The North begins the weekend with clear skies on Saturday, with a pleasant low of 24°C and a high of 35°C. Sunday brings cloudy skies and a two-degree drop in temperature. This cooling trend continues into Monday, with temperatures falling another two degrees.

Azores: The weather in the Azores will be milder than on the mainland. Saturday will see temperatures between 18°C and 25°C, with partly cloudy skies and a UV index of 9. On Sunday, the low temperature will rise by one degree. On Monday, the archipelago will see a slight one-degree drop in the high temperature.

Madeira: Madeira will see a Saturday with a narrow temperature range, between 22°C and 27°C, under partly cloudy skies and a UV index of 9. On Sunday, temperatures will drop slightly to a range of 20°C to 26°C. On Monday, the high will return to 27°C, with mostly clear skies.