As long as it isn't cold/wet/dreary, it won't be that bad. It won't last that long, and if we get partly sunny days it will just feel like nice Fall weather. The cold mornings with frost might be a bit of a pain, but it's too early to start growing most plants/veggies anyway. Knowing what's to come just down the road, I am good with a few days in the upper 40s to low 50s. With sun, it probably won't be any colder than that.