I would put them on now. You do a lot of driving and weather can change drastically from place to place. This is a very unperdictable time of year. The wear on the tires would be minimal anyway and I personally wouldn't worry about it. Safety first.
1998 BLK SVT CONTOUR
#2980 of 6535
395,000(ish) km (and counting)
SVTOA-TORONTO
Chapter Director
www.svtoa-toronto.ca