A year ago, fans at the Indianapolis 500 were searching for shade.

This year, they'll be looking for some sun.

Temperatures throughout May have been unseasonably cool at Indianapolis Motor Speedway. Fans bundled up against the chill for the public drivers meeting Saturday — even the drivers appeared to be shivering — and more cool weather is likely on Sunday for the race.

The forecast calls for a high in the upper 60s, according to the National Weather Service, with a 40 percent chance of rain. Last year, it was 91 degrees when Dario Franchitti crossed the finish line, just one degree shy of the race-day record of 92 set in 1937. It was also 91 on race day in 1919 and 1953.