While it’s advised that you take down your outdoor movie screen after each viewing, they can get damp. The 210D Oxford fabric is often used and is made to last. It’s made tant to dirt and moisture, so watching it in the rain shouldn’t be a problem. However, you should always maintain your projector dry to avoid electrical problems. However, as everyone who owns an outdoor screen, especially an inflatable movie, knows, you should avoid putting up any form of the screen during windy circumstances because they’re effectively giant sails that can fly away in high winds.