If you planning to travel to State Arboretum of Virginia, Winchester, Virginia, 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 10:31 AM. The temperature feels like 61.35 with a humidity level of 61 so dress accordingly. Cloud coverage is 5 percent with visibility at 14.1 percent. Today’s UV index is 9, don’t forget the sunscreen if you need it! Today’s winds are traveling west-northwest at a speed of 5 MPH. At the end of the day don’t miss the sunset at 11:56 PM.