If you planning to travel to Boulder, CO, United States (WBU-Boulder Municipal), here is your 6-day travel weather forecast to make sure you have all the essentials needed during your stay. Start your day when the sunrises at 12:59 PM. The temperature feels like 55.4 with a humidity level of 59 so dress accordingly. Cloud coverage is 47 percent with visibility at 19 percent. Today’s UV index is 0, don’t forget the sunscreen if you need it! Today’s winds are traveling southeast at a speed of 5 MPH. At the end of the day don’t miss the sunset at 12:37 AM.