If you planning to travel to Great Sand Dunes National Park and Preserve, Alamosa, Colorado, 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 1:43 PM. The temperature feels like 26.299999999999997 with a humidity level of 52 so dress accordingly. Cloud coverage is 22 percent with visibility at 14.9 percent. Today’s UV index is 0, don’t forget the sunscreen if you need it! Today’s winds are traveling south-southwest at a speed of 14 MPH. At the end of the day don’t miss the sunset at 11:49 PM.