Hi,
get some fall tights,wool socks (Smartwool RBX racer) a skull cap, a cycling jacket, warm gloves,and..
http://www.coldlizard.com/cgi/wc.dll...alog~DETAIL~58
...and... you will be good to go. Don't forget to bring a jersey (makes a good base layer, too) in case it warms up. I will also bring cycling shorts on those days where you get huge swings of temprature. We can see a swing of over 30 degrees.