The Irish Meteorological Service Online
20 March 2018 22:36
Cold tonight with frost in many areas for a time. The frost will clear western and northwestern areas later, and some rain will develop over Connacht and west Ulster before dawn. Lowest temperatures zero to -3 degrees, coldest in eastern areas. Light variable breezes will become southwesterly, increasing moderate generally and fresh along the Atlantic coast.
Early frost in eastern areas will clear soon on Wednesday morning. It will stay generally dry over the southern half of the country with sunny periods. Further north it will be mainly cloudy with a few outbreaks of rain. Moderate southwest winds will be fresher in northern areas. Highest temperatures between 9 and 11 degrees.
Unsettled with persistent rain clearing to showery conditions and some frost towards the end of the week.
Wednesday night will become mostly dry with some clear spells but staying cloudier with patchy rain or drizzle in northern areas early in the night. And towards morning it will become cloudier again from the west with rain by morning Southwest winds will be light to moderate keeping lowest temperatures around 2 to 6 degrees.
Thursday will be cloudy and breezy day but it will start mostly dry in the east as spell of persistent rain in the west will slowly spread eastwards during the afternoon in freshening southerly winds. Top temperatures will be around 8 to 10 degrees. The rain could turn heavy for a time on Thursday night before clearing to scattered showers later in the night. Fresh and gusty southerly winds will moderate veer southwesterly with the clearance. Lowest temperatures will remain around 2 to 6 degrees.
There will be scattered showers and some sunny spells on Friday and afternoon temperatures again around 7 to 10 degrees in a mostly moderate westerly breeze. Showers will become isolated on Friday night with some clear spells developing. There will be some frost on Friday night as winds ease.
Saturday will be a similar day with scattered showers and some sunny spells but showers could turn heavy at times. Top temperatures will be around 8 to 10 degrees in a light to moderate southwesterly breeze. And Saturday night showers become isolated with good clear spells and a return of frost. And there will be a few showers on Sunday in just light breezes and temperatures around 9 to 11 degrees.
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