I thought I remember reading that in the UK, weathers can be plural.
We've been having all types of weathers lately. (First it snowed, then it was unseasonably warm, now we have to go find an ark because it won't stop raining, etc.) (Actually, that describes my weather in March, but that's just coincidence.)
We would never say that in the US, but could a native UK speaker please let me know about this? (Ray, I'd welcome your Aussie use as well.)
I'm not a teacher, but I write for a living. Please don't ask me about 2nd conditionals, but I'm a safe bet for what reads well in (American) English.