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 10:35 AM. The temperature feels like 80.25 with a humidity level of 73 so dress accordingly. Cloud coverage is 24 percent with visibility at 12.9 percent. Today’s UV index is 1, don’t forget the sunscreen if you need it! Today’s winds are traveling northwest at a speed of 5 MPH. At the end of the day don’t miss the sunset at 11:57 PM.