If it's raining, is the humidity 100%?

August 23, 2008 6:23:58 AM PDT
No, because the relative humidity is a measure of the amount of moisture in the air.

Erica's Answer:

Think of it as the air in between those raindrops as they're falling... that's the air which gets measured for relative humidity!

When the relative humidity is 100%, fog forms. So if it's raining and there's also fog present, then the humidity is 100%.

- Erica