If you planning to travel to St. Peter in Chains (San Pietro in Vincoli), Rome, Italy, 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 3:35 AM. The temperature feels like 68.45 with a humidity level of 81 so dress accordingly. Cloud coverage is 45 percent with visibility at 14.4 percent. Today’s UV index is 10, don’t forget the sunscreen if you need it! Today’s winds are traveling south-southwest at a speed of 6 MPH. At the end of the day don’t miss the sunset at 6:41 PM.