Those who use google analytics knows that traffic can be known/seen for the previous day but here is a procedure to see your live traffic for the day itself(Hopefully a 2hrs slowdown but thats better than nothing).
Its quiet easy:
Follow the image.

Today date being 16thJune.. i just clicked on 16th June (Point 1).
Both the date range changes (Point 2)
See the above date range also changed (Point 3)

Thats it.. Click on the apply button and you get the live traffic!

SoftwareDeveloper, iot, CreativeTechnologist, MobileDev. Loves building stuffs