Was this sketchy...or are my pregnancy hormones getting the best of me?

My husband and I got into a fight today around 5-6pm. On our way to our date night we both blew up, turned around and went home. I told him that I didn’t want to stress and fight anymore (I’m 30 weeks) so please leave for a bit, and come back when there’s no yelling.

Fast forward to 1am, I’m worried sick, he turned his phone off, his friends haven’t heard from him and we live in NY so all businesses have to close at 10pm now plus it’s a blizzard out. We have a bar by our house he frequents so I assumed he went there for a drink/dinner. But no clue where he went after...

He just walks into the house, says nothing and hops straight in the shower. I then ask where he’s been all night and he said he went to his friends house after the bar, who’s wife was the only one home but let him in...and he crashed on their couch until his friend came home from skiing and drove him home.

I have this gut feeling he cheated on me, but I have no proof and nothing besides the fact that he turned his phone off, didn’t answer me since 6pm and supposedly was at his friends house with his sleeping wife in the other room. It doesn’t sit right with me. What should I do/say? Because I talked to him last night after his shower and he seemed apologetic, but honestly I think he was agreeing with me to shut me up. Or am I being irrational and emotional?