Had a stuffy nose/sore throat all day. went to the gym now my nose is red and warm when i touch , stuffy nose too? is this due to a cold?

Nose: Probably is a cold. Cool compresses may help the nose and OTC treatments for the cold. If the redness persists or gets worse you need to check it out as sometimes it can be a skin infection

Stuffy Nose: Its possible that you may be coming down with a viral URI. The nasal congestion may also be due to allergic congestion. Over the nest 24-48 hours you will be able to get a better feel for what is going on. In the mean time, stay well hydrated and minimize environmental exposures to allergens and take OTC anti-histamine with or without decongestant for symptom relief.