Here is the full list of all 7 Suspicious Downpour achievements. It takes around 0-1 hour to unlock all of the achievements on Windows.
Witness Mr. Wilson and all of his glory.
Gaze upon on where you thought you'd be visiting.
Learn the new and improved sandwich recipe.
Be witnessed by everyone in the family at once.
Throw the maximum amount of sandwiches.
Embrace the sweet warmth of your bed.
Click the flashlight like your life depends on it.