If you planning to travel to Grapevine Lake, Grapevine, United States, 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 73.7 with a humidity level of 33 so dress accordingly. Cloud coverage is 0 percent with visibility at 10.9 percent. Today’s UV index is 8, don’t forget the sunscreen if you need it! Today’s winds are traveling northeast at a speed of 9 MPH. At the end of the day don’t miss the sunset at 12:19 AM.