If you planning to travel to Las Baulas National Marine Park, Playa Grande, Costa Rica, 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 11:23 AM. The temperature feels like 90.45 with a humidity level of 73 so dress accordingly. Cloud coverage is 26 percent with visibility at 14 percent. Today’s UV index is 10, don’t forget the sunscreen if you need it! Today’s winds are traveling east-northeast at a speed of 7 MPH. At the end of the day don’t miss the sunset at 11:57 PM.