yes, the length of daylight will gradually lengthen in the Northern Hemisphere as the sun traverses to its most northerly declination of 23.5 degrees at the Summer Solstice, which this year will occur sometime on June 21st; if you want to calculate sunrise/sunset without just looking at the days WX forecast, you could buy a Nautical Almanac and calculate your exact time of sunrise/set for your geographical position (Lat/Long), as I remember the formula was not that difficult