My Husband Was Having Trouble This Afternoon Remembering What He

My husband was having trouble this afternoon remembering what he was going to put in the check book at this time of the month, ex. things that are automatically taken out each month he puts in check book. He was struggling with what it should be. He asked me about three times if it was March or
April. His right eye is burning and he said it is from cooking on the grill and the smoke getting in his eye.Could this be a sign of maybe a stroke coming on?/