Montrealers are in for some picture-perfect weather, with daytime conditions expected to bring mainly sunny skies all weekend long. Clear conditions and a low of 2 degrees Celsius are forecast for Friday night. The mercury could then hit a high of 14 degrees Celsius by Saturday afternoon. A seasonal low of 4 degrees Celsius is forecast for Saturday evening, before Sunday brings a daytime high of 18 degrees Celsius. Those in the Greater Montreal area should expect a return to single digits on Sunday night, with a low of 6 degrees Celsius. While 14 degrees Celsius is the normal daytime high for this time in April, the mercury could soon break into the 20s. The region could reach a high of 21 degrees Celsius to start next week.