If you planning to travel to Guildford Castle, Guildford, 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 7:29 AM. The temperature feels like 31 with a humidity level of 77 so dress accordingly. Cloud coverage is 19 percent with visibility at 14.9 percent. Today’s UV index is 2, don’t forget the sunscreen if you need it! Today’s winds are traveling west-southwest at a speed of 9 MPH. At the end of the day don’t miss the sunset at 4:05 PM.