If you planning to travel to Spinnaker Tower, Portsmouth, 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 7:31 AM. The temperature feels like 37.1 with a humidity level of 73 so dress accordingly. Cloud coverage is 27 percent with visibility at 14.9 percent. Today’s UV index is 0, don’t forget the sunscreen if you need it! Today’s winds are traveling west at a speed of 10 MPH. At the end of the day don’t miss the sunset at 4:07 PM.