The 2014 Perseid meteor shower will peak between Aug. 10 and 13. A waning Gibbous Moon (the Moon's phase after a full moon) may make it harder for observers to see the shower.
This information is compliments of the website: timeanddate.com
http://www.timeanddate.com/astronomy/meteor-shower/perseid.html
Despite this, astronomers suggest that observers try their luck to catch some Perseids before dawn on Aug. 11, 12 and 13.