Salt Lake City, Utah is the place to be on Memorial Day as perfect 10 weather can be expected. This good weather extends into Idaho and Nevada. Overall, Utah will have the highest mean at 8.8, while New Hampshire will definitely be the worst at 2.7. In fact, all of New England will see poor weather for the holiday.
Best: 1. Utah 2. Nevada 3. Idaho 4. West Virginia 5. Washington
Worst: 1. New Hampshire 2. Rhode Island 3. Massachusetts 4. Vermont 5. Minnesota