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 3:36 AM. The temperature feels like 84.65 with a humidity level of 40 so dress accordingly. Cloud coverage is 6 percent with visibility at 15 percent. Today’s UV index is 11, don’t forget the sunscreen if you need it! Today’s winds are traveling south-southeast at a speed of 6 MPH. At the end of the day don’t miss the sunset at 6:50 PM.