Earth is no windstill glashouse. Climates and temperatures are based on a big mix of factores, from sea-streams, transporting water of different temperatures from one place to another to high above air jet streams, changing their positions according to the weater as well as low air, low air streams.
If it may be the change of climate, the CO2, or whatever, fact is that by statistic an global high above airjetstream, that did according to statistic circle more north around the pole, has started to wander more south now in winter, bringing with it cold air. That does not indicate a global cooling, because the more south jetstream, having warmer air, has not vanished, but is instead now more south, causing there higher temperatures then usual.
In the end, as engineer in environmental development, I do not have enough knowledge to tell you if it will be warmer or colder in 50 years, I simply can tell you that its f*****g stupid to mess something up, as long as you dont know what consequences it will cause in the end.
And yes, I have not seen the sun for 7 days, so I am depressed too, and acutally I´d like to have snow, or rain, but having before a cold period from russia, followed by an mild-frost airstream with rain simply sucks, because snow is ok, rain is ok, no fluid at all is ok, but half an inch of pure ice on everything for three days simply sucks. -.-