Great advice to follow.
I ride in rain a lot. IMO riding in rain is not any more dangerous than riding in dry condition.
I always use riding in rain as a chance to practice my skill for riding in wet condition ...or to hone my skill for riding in rain. So if it rains out there, just go out and ride the bike, use it as a chance to learn how to ride your bike in rain. Just remember to stay away during the first 10-15 minutes as other have suggested.