Know what's coming with accuweather's extended daily forecasts for clearwater beach, fl. Up to 90 days of daily highs, lows, and precipitation chances. Know what's coming with accuweather's extended daily forecasts for clearwater, fl. Up to 90 days of daily highs, lows, and precipitation chances. Clearwater beach, fl weather forecast, with current conditions, wind, air quality, and what to expect for the next 3 days.