Yeesh, I wouldn't chance it without some sort of external protection. Maybe with a prime lenses with the weather seal gasket, but even then, how much trust do you put on your camera not getting damaged through the lens? I would not trust any DX camera lens and only FX if it says it's fully weather sealed. It seems one of the ways to keep DX lenses cheap is because they are not fully weather sealed. Caught in a drizzle while you are out is a little different than marching into a deluge. I would suggest snagging a ThinkTank emergency rain cover if you just gotta get the shot. It covers the body and lens and there are different sizes for different camera/lens combos. I grabbed one to have in the camera bag, but have not had the need to use it yet. If you do go out, it's probably good practice to keep the camera protected as much as possible. Shoot under an umbrella, keep the camera wiped down with a dry microfiber, have a bunch of those moisture absorber packets in the camera bag, etc. If you shoot with an air pumper lens, don't retract it when its wet (or dusty). Wipe it off first. When you get home, set everything out to dry in a well ventilated area, not in the camera bag.