(From smartmoney.com) Homeowners who have resisted the urge to refinance their mortgages until now could be rewarded for their willpower. Mortgage rates have fallen to new lows — and banks are rolling out incentives to win business. Economic uncertainty in Europe and slow growth in the U.S. are prompting investors to pile into ultrasafe U.S. Treasurys. That, in turn, is pushing down mortgage rates, which are tied to Treasurys.

The average interest rate on a 30-year mortgage fell to 4.05% for the week ended Dec. 23, the lowest in 60 years, according to HSH Associates, a mortgage-data firm. And rates on jumbo mortgages — private loans that in most parts of the country are larger than $417,000 — also have hit new lows, averaging 4.61%.

“It’s hard to argue rates will get much lower than they are today,” says Stuart Gabriel, director of the Ziman Center for Real Estate at the University of California, Los Angeles.

Read more here: Time to Refinance?