The Saturday forecast for Bradenton from the National Weather Service: Scattered showers and thunderstorms, mainly afternoon. Partly sunny, with a high near 89. Southeast wind 5 to 9 mph becoming southwest in the afternoon. Chance of precipitation is 30 percent. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.Tonight: Isolated showers and thunderstorms before 11 p.m. Mostly cloudy, with a low around 79. South, southwest wind 5 to 7 mph. Chance of precipitation is 20 percent.