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 12:18 PM. The temperature feels like 57.05 with a humidity level of 89 so dress accordingly. Cloud coverage is 61 percent with visibility at 9 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 10:02 PM.