The Egyptian Meteorological Authority warned of a drop in weather temperatures by up to 6C in the north.
This will include Greater Cairo and northern Upper Egypt, starting Friday, April 28.
The overall expected maximum temperature in Greater Cairo and Lower Egypt will be 26C.
Rain may fall on areas of the northern coasts and northern Lower Egypt, at intermittent intervals.
Active wind is expected in areas of Greater Cairo, Lower Egypt, the northwestern coasts, and northern Upper Egypt, at intermittent intervals.
Maximum temperatures predicted on Friday:
Greater Cairo and Lower Egypt 26C
Northern coasts 22C
Northern Upper Egypt 30C
Southern Upper Egypt 36C