My vote is too soon since it takes a little bit for the upper lip hairs to go down.  Of course if it makes you more comfortable then trim 'em up!  I would wait a month or so more if you can get away with it though.  Beard on brother!

My Beard Journey

Just grow.  If you grow it out you can always shave it off but if you don't grow you'll never know what could have been.  Who wants to die not knowing what they are capable of?