If you planning to travel to Ardgillan Castle, Balbriggan, Ireland, 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 7:51 AM. The temperature feels like 35.849999999999994 with a humidity level of 75 so dress accordingly. Cloud coverage is 85 percent with visibility at 12.9 percent. Today’s UV index is 1, don’t forget the sunscreen if you need it! Today’s winds are traveling east-northeast at a speed of 15 MPH. At the end of the day don’t miss the sunset at 5:27 PM.