The latest weather outlook for
AccuWeather.com is calling for mostly sunny skies and a high of 80 degrees Preakness Saturday, just under two weeks away. That had essentially been the prediction when May 19 first came into AccuWeather's new 25-day forecast window.
As recently as Friday, the forecast had been calling for a rainy patch that weekend, though. That appears to have shifted to a couple of days after Preakness, instead.
The long-term outlook uses more weather data and more sophisticated models to predict weather patterns and help people plan, not necessarily to pinpoint the daily high and low precisely.