If you planning to travel to La Salle Natural Science Museum, San Jose, 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 11:48 AM. The temperature feels like 61.95 with a humidity level of 91 so dress accordingly. Cloud coverage is 67 percent with visibility at 6.6 percent. Today’s UV index is 2, don’t forget the sunscreen if you need it! Today’s winds are traveling east at a speed of 7 MPH. At the end of the day don’t miss the sunset at 11:21 PM.