If you planning to travel to Syon House, Brentford, 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 7:39 AM. The temperature feels like 30.35 with a humidity level of 79 so dress accordingly. Cloud coverage is 94 percent with visibility at 11.4 percent. Today’s UV index is 1, don’t forget the sunscreen if you need it! Today’s winds are traveling west-northwest at a speed of 14 MPH. At the end of the day don’t miss the sunset at 3:58 PM.