My office window would be right next to it and maybe 3 feet up. I guess if it's really raining hard I wouldn't really have my windows open.We don't have that problem here. It's not IF it'll rain, it's How Much. You're in Virginia, not Arizona. You'll get rain---just wait a few minutes. Your new roof looks good, by the way.
Metal roofs can be extremely noisy when it rains (worse when it hails). It really depends on what's under the metal. If it's just over joists, expect noise. If there's a solid underlayment it won't be too bad.
And I live in California. I probaly don't have to worry too much about rain anymore.