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Monday, 21 August 2017
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National Forecast

21 August 2017 05:00


Damp and misty to begin today Monday, with scattered outbreaks of rain and drizzle, locally heavy with a risk of spot flooding. Drier and brighter intervals will increase over southern counties, gradually extending northwards, with spells of hazy sunshine developing this afternoon and evening. Top temperatures of 18 to 21 degrees Celsius but up to 23 Celsius is possible in any sunny breaks. Light to moderate southwest breezes.


Tonight will be mild, misty and humid with rain and drizzle patches. Areas of mist and fog will be extensive on hills and coasts. Minimum temperatures will be no lower than 14 or 15 degrees Celsius in mainly light south to southeast breezes.


Mild, misty and humid to begin tomorrow Tuesday also, with scattered outbreaks of rain and drizzle, and some heavy and possibly thundery downpours during the afternoon. Though there will be a good deal of cloud overall (and locally poor visibility in hilly and coastal areas), limited spells of hazy sunshine will also occur. Top temperatures of 19 to 22 degrees Celsius in light to moderate southeast winds veering southwest in the evening.


Headline: Turning fresher by midweek with mixed conditions continuing.

Tuesday night: Remaining showers, some still heavy in Ulster, clearing overnight with fresher, less humid conditions extending countrywide under clearing skies. Scattered, mainly light showers will continue to occur along the Atlantic coastal fringes, however. Minimum temperatures 11 to 13 degrees.

Wednesday: A noticeably brighter and fresher feeling day with sunny spells and scattered showers. The showers will mostly affect Atlantic coastal counties during the morning, before spreading elsewhere during the afternoon, with a few heavy ones possible later in the west and northwest. Top temperatures of 16 to 19 degrees in mostly moderate southwesterly winds, fresh at times near the coast. Showers merging to longer spells of rain in parts of Connacht and Ulster on Wednesday night.

Thursday: Outbreaks of locally heavy rain in Connacht and Ulster will extend southeastwards to affect west Munster and north Leinster, but the rain will tend to become lighter and patchier as it progresses further south and east with some parts of south Leinster and east Munster holding dry. A blustery day and feeling cool in the fresh and gusty southwest winds which will be strong about the coastal fringes. Maximum temperatures of 15 to 18 degrees, with highest values in the southeast.

Friday: Current indications suggest a drier, calmer day with slack winds. Sunny spells and just a few well scattered showers. Highs of 17 to 20 degrees.

Next Weekend: Reduced confidence in the outlook at this stage. Still a mixed and probably showery regime but there is a chance of the slightly more settled conditions on Friday extending into Saturday.
MET ÉIREANN, Glasnevin Hill, Dublin 9, Ireland Tel: +353-1-8064200 Fax: +353-1-8064247

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