If you planning to travel to Union Square, New York, New York, 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 11:39 AM. The temperature feels like 46 with a humidity level of 51 so dress accordingly. Cloud coverage is 4 percent with visibility at 14.9 percent. Today’s UV index is 3, don’t forget the sunscreen if you need it! Today’s winds are traveling west-northwest at a speed of 16 MPH. At the end of the day don’t miss the sunset at 9:40 PM.