Evacuation planning. This should be number one on your list! If you live in a hurricane evacuation area, you should test the evacuation route in good weather. Don't wait until the day of the storm. This isn't a smart idea since everyone else will be in a heightened state of anxiety.
Purchase supplies. Buying supplies ahead will give you a peace of mind. If you wait until last minute, you are going to be waiting long lines in stores, if they even have what you need.
Protect your home. Inspect your home to confirm that there is no damage prior to the storm. A hurricane could do more damage if you have any structural issues before hand.
Backup electronics. Aside from keeping extra batteries and chargers around during a hurricane, backup any electronic devices. Charge your cell phones, most importantly, in case you need to call family to check up on them.
Prepare fridge and freezer. Store as much water and fluids as you can in your fridge so that if the power goes out, it will retain the cold longer; hopefully in time for the power to turn back on.
Put valuables high off the floor. This will keep them dry.
Patio furniture. Chairs, tables, plants can fly through windows during a hurricane. Bringing them indoors will prevent damage to your home and damage to your neighbors