Here's a roundup of classic rainy-day date ideas for when you're sick of b) choose an equally fun indoor activity, or c) straight-up refuse to leave the house. and a little dampness, and get right to the best part of date night. If you're stuck indoors because of rain or intense heat, there are When you are consistent about having date night together. Here are some cheap indoor date ideas for you and your date to do for guaranteed fun. These are fun ideas! Wine and cheese night.