Very unusual for our State to have a Statewide temperature high that's below freezing. Not uncommon for the East of the Mountain to have freezing temperatures but the Puget Sound area had not had this kind of low temperature for years.
The Puget Sound area should be in the 50's for seasonal high temperature, think it wouldn't go over 30°F today.
Lucky the County and the City had sanded and cleared the snow from the street a few days ago, otherwise it'd be a skating rink.