Lisbon: Intermittent cloud cover and highs of 35 degrees are forecast for Lisbon today. On Saturday and Sunday, clear skies are expected with highs of 33 degrees on Saturday and 31 degrees on Sunday and nighttime lows of 21 degrees. On Monday thermometers are to rise up to 34 degrees.

The north: Highs of 34 degrees are forecast for today, with clear skies. Hazy high cloud is on the cards over the weekend with highs of 35 degrees on Saturday and 32 degrees on Sunday. The start of the following week will remain very hot with average daily highs of 34 degrees and nightly lows of 16 degrees.

The centre: Today will be sunny with highs of 35 degrees and lows of 20 degrees. Highs of 38 degrees are forecast for Saturday with lows of 21 degrees. On Sunday some intermittent cloud is predicted but temperatures are to reach 39 degrees with nightly lows of 24 degrees.

The south: Highs of 35 degrees are forecast for Faro today, with nightly lows of 24 degrees. On Saturday it will be much the same before temperatures rise again on Sunday to highs of 38 degrees with lows of 23 degrees. By Tuesday thermometers are to hit the 39 degrees mark.