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 11:26 AM. The temperature feels like 67.75 with a humidity level of 86 so dress accordingly. Cloud coverage is 58 percent with visibility at 12.6 percent. Today’s UV index is 10, don’t forget the sunscreen if you need it! Today’s winds are traveling east-southeast at a speed of 7 MPH. At the end of the day don’t miss the sunset at 11:50 PM.