I wouldn't waste time, but it's not 100% dead yet. I'd give it another day of keeping an eye on it to see if there are any wholescale changes in the other direction. Low chance, but still relatively far out. (especially if I lived in WNE/NNE)
maybe in NY harbor..but they have been dropping steadily the past month. down to about 45° in Cape Cod bay..which I think is close to average
unless you mean gulf stream, in which case I have no idea
The Day 8+ OP runs sure do trigger some emotional knee-jerk reactions. We've had far worse patterns in December. Of course every post like this needs the disclaimer that a decent pattern does not guarantee snow, but it must get tedious.