If you planning to travel to Grotta Lighthouse, Reykjavik, Iceland, 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 10:11 AM. The temperature feels like 21.7 with a humidity level of 68 so dress accordingly. Cloud coverage is 29 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 south-southeast at a speed of 12 MPH. At the end of the day don’t miss the sunset at 4:14 PM.