Seasonal projections are little better than guesses, but the equations keep being enhanced and maybe someday. We don't have a clue. When you hear that we had the warmest year on record for 130 years, that may be correct, but it doesn't mean much. This planet earth has seen ice ages and rising and falling seas from causes we hardly comprehend at all. There is little danger that prediction will ever get so good that we can't gripe about it.
North wind is best for sowing seed, the south for grafting.
Pliny More on weather forecasting and chaos theory from these links.