Why do I feel cold and clammy at the same time. It’s 74 degrees in here.?

Well, without more details, I'm not sure exactly what you're asking or how I have the ability to help, but if it's that warm where you are (I'm assuming inside somewhere) and you feel cold, and especially clammy, then I'd state you're coming down with something.

Like I said, without more details, I couldn't tell you if it's a cold or the flu or a sinus infection or what. But it DOES sound like you're coming down with something, so try to push the fluids tonight and see if you can't get in to see the doctor soon. No sense in letting whatever it is go untreated. I hope you feel superior soon!