If you have an outside faucet and have the ability to shut off the water to it from the inside, do so. Then go outside and open the faucet to drain the pipe, and leave the faucet open. Wrap the faucet and pipe with some foam pipe insulation, or at least several wraps with a thick towel, and make sure the wraps are secured with a few wraps of duct tape. A plumber taught me those tricks, and I leave my outside faucets like that all winter. Just make sure to close the outside faucet in the spring before you re-open the shut-off valve(s).
Another trick is to leave a tiny drip in your kitchen and bathroom faucets when the temp drops below about 20F outside. We've had a few plumbing issues through the years, and they can be nasty and expensive.