What happened to summer? It's so cold!!!

Today it is very cold here 2 weeks ago everyone was sunbathing and getting tanned Now it is almost cold enough to turn the heating on I can't sleep without a jumper on it's that bad. What's happening? Is this the end of summer just as we thought it was to be the hottest one ever? I know about global warming but this is getting bad. I'm getting ready to get my jumpers and warm clothes back out and put away my summer things, bikini and beach bag!!!! How's the weather where you live? I'm in London at the moment but there was bad weather in the rest of Europe I hear aswell.