If you planning to travel to William B. Umstead State Park, Raleigh, North Carolina, 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 12:00 PM. The temperature feels like 53.4 with a humidity level of 78 so dress accordingly. Cloud coverage is 18 percent with visibility at 9.6 percent. Today’s UV index is 3, don’t forget the sunscreen if you need it! Today’s winds are traveling southwest at a speed of 4 MPH. At the end of the day don’t miss the sunset at 10:01 PM.