Recumbent Rain Pants
The same folks from Sweden, Craft, who make the shorts I recommended also make some nice Recumbent Cycling Pants, Craft Storm Tights. They are 100% poly with a very nice finish and much nicer that anything you will see on the normal cycling sites.
The Craft Storm Tights are just the thing for that cold morning start or the day you have to ride in the rain. They are also nice off the bike at night or to wear into town. Plus they pack well. These are fairly heavy pants, heavier than the tights I would warm for summer ridinng. But they are perfect for fall and winter riding and in the rain when the temps get down to 60 or lower
The Craft Storm Tights are on sale now at Sierra Trading Post for $53.95. These pants are a very nice buy at that price.
Also see, Rain Gear for Recumbent Cycling