Seeing it's already hot in southern Virginia and it's only going to get hotter, I'm having second thoughts about bringing my 40 degree down bag. So, I'm thinking of using my silk liner and a really light fleece blanket.
I found some nice thin fleece at Wallyword for the blanket. After trimming it to size, weighs 1 lb, 8 oz, about 7 oz lighter then the down bag. I would bring the liner anyway, so that isn't a factor in the overall weight. (I would normally use the liner to keep from sticking to my pad and use the bag as a quilt when it cools down early in the morning)
Not a big weight savings and the bulk is about the same, but I think overall I'll be more comfortable during the hot and sticky nights which can be expected over the next 4 weeks hiking through Virginia. I have a warm shirt I could put on if I happen to get an unusually cold (damp) night.
Worth a shot, worse that could happen is I'll freeze to death
Actually, if I wake up cold early in the morning, might as well get up and start hiking. Could be a good alarm clock.