Boulder WeatherSaturday 07/04 20%Partly CloudyPartly cloudy. A stray shower or thunderstorm is possible. High 82F. Winds WNW at 5 to 10 mph.Sunday 07/05 50%Chance of a ThunderstormPartly cloudy with afternoon showers or thunderstorms. High 81F. Winds WNW at 10 to 15 mph. Chance of rain 50%.Monday 07/06 60%Chance of a ThunderstormScattered showers and thunderstorms. High 61F. Winds NE at 5 to 10 mph. Chance of rain 60%.