Hello everyone. I have a problem that arose last night. 4 of my outside outlets quit working. They are all on the same circuit. I have checked power at the breaker box and everything is good. I go to the first outlet and it has 1.0 volts. The other 3 outlets also have 1 volt. All wires look to be in go shape. What would cause this? Thanks in advance

Tighten all of the screws holding the white wires and the grounds. Then put your tester on the wire itself right after the breaker, black to white, what is the reading?