Washington residents wore a few extra layers this morning to ward off a deep freeze that left the region in the grips of its coldest temperatures in nearly four years.

The low temperature was 15 degrees this morning in D.C., and there’s plenty more chilly weather to come.

How are you staying warm in the depths of winter? Send us a photo or tweet to share below @postlocal, or use the hashtag #dcweather.

You can also upload your photos to our weather gallery here.