If you planning to travel to Jade 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 11:15 AM. The temperature feels like 65.85 with a humidity level of 81 so dress accordingly. Cloud coverage is 0 percent with visibility at 12.4 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 10 MPH. At the end of the day don’t miss the sunset at 11:49 PM.