Add punctuation: On Saturday we can expect cloudless weather Morning temperatures will be around 13 C During the day they will reach a maximum of 29 C Low temperatures at night will be around 14C Northerly winds are weak
A: On Saturday we can expect cloudless weather. Morning temperatures will be around 13 C. During the day they will reach a maximum of 29 C. Low temperatures at night will be around 14C. Northerly winds are weak.

Add punctuation: Wash hands throughly with soap and water to remove all of the chili oils
A: Wash hands throughly with soap and water to remove all of the chili oils.

Add punctuation: It was 0340 am when my wife and I were woken by the earthquake
A:
It was 03:40 a.m. when my wife and I were woken by the earthquake.