If you planning to travel to Donegal County Museum, Letterkenny, 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 5:16 AM. The temperature feels like 55.5 with a humidity level of 88 so dress accordingly. Cloud coverage is 99 percent with visibility at 11.6 percent. Today’s UV index is 1, don’t forget the sunscreen if you need it! Today’s winds are traveling south-southwest at a speed of 17 MPH. At the end of the day don’t miss the sunset at 7:46 PM.