You're right, I don't want to stand in the rain for 4 hours!
But I also think that the rain could bring more fluky plays which normally favors the inferior team. In controlled conditions I love the Pats' chances. In rainy conditions, I like the Pats' chances.
I'm in NJ my rain gauge says since 9 AM we have received 1.75 inches of rain, that would be 17 inches of snow if it was cold enough and it is still pouring heavy as of 3:15 PM. What's happening in Foxbrough as of now?