+1 with D42.
You got yerself' some side arms forming. And in that respect, nope. It's not too early. But, if you haven't planned out a method for drying you should start considering it now. I am not saying that you'll have cones tomorrow but, if you aren't prepared for them it will feel like it.
Window screens can work. But, depending on the size of your yard and the number of plants you might consider a forced air oast. You can get some ideas for them from Zymurgy, BYO, HomeBrewer Graden, or Homegrown Hops.