Met Éireann forecast a cold and bright start on Monday with any mist and fog patches soon clearing. However, cloud will build from the west by afternoon bringing outbreaks of rain and drizzle to Atlantic coastal counties. A good deal of dry weather elsewhere apart from the odd patch of drizzle. High temperatures of 11 to 15 Celsius with light to moderate southwest breezes.
Monday night is promised to be cloudy and generally rather misty with patches of light rain and drizzle. Accumulated amounts will be negligible and overall the dry picture continues. Lowest temperatures will be between 7 and 11 degrees, coldest in the east, with light to moderate southwest winds.
Tuesday will again be mostly cloudy with patches of light rain and drizzle. Most of the rain and drizzle will occur near western and northwestern coasts, with just occasional patches occurring elsewhere. Temperatures on Tuesday will range between 13 and 15 degrees in the afternoon, to between 8 and 11 degrees on Tuesday night. Winds will be light to moderate south to southwest, becoming fresh for a time later on the northwest coast.
Wednesday will again see further patches of rain or drizzle in parts of the west and north, mainly in coastal areas, but mostly dry elsewhere. Limited brighter intervals occurring in the southeast during the afternoon. Maximum temperatures of 12 to 14 Celsius with light to moderate southwest winds veering westerly. Patchy light rain will sink southwards over the country on Wednesday night, with colder clearer conditions following from the north. Minimum temperatures will be around 6 to 8 degrees, but ranging 3 or 4 degrees in some parts of Ulster.
Thursday is expected to be a rather cool, but bright and dry day with sunny spells and light variable breezes. Early indications suggest a mix of cloud and bright spells on Friday, with occasional rain or showers. Showers will be more prevalent in west and northwest.