If you planning to travel to Charlestown Harbour, St. Austell, England, United Kingdom, 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 8:18 AM. The temperature feels like 50.3 with a humidity level of 87 so dress accordingly. Cloud coverage is 89 percent with visibility at 14 percent. Today’s UV index is 1, don’t forget the sunscreen if you need it! Today’s winds are traveling west at a speed of 19 MPH. At the end of the day don’t miss the sunset at 4:19 PM.