My, it looks like it is going to be a (hot, cold, cloudy, warm, rainy, muggy, wet, sunny) day today. Try not to get (sunburned, soaked, heatstroke, murdered by an angry wife)!
Pick one from each list! There you go!
Seriously though, don't mention it. It didn't happen. He will have spent all night worrying about his excuse, and you don't even give him a chance to use it!
