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National Forecast

18 August 2017 07:19


Becoming blustery today with showers possibly merging to longer spells of thundery rain. The heaviest of the showers are likely across the west and northwest to begin, moving eastwards in turn through the late morning and afternoon. Some of the downpours will lead to spot flooding. Bright sunny spells will occur too though with the best of these in the east to begin and later in the west, that's as the showers clear into the Irish Sea. Feeling fresh with highest temperatures ranging 15 to 17 degrees Celsius. West to northwest breezes will increase fresh and gusty, especially around showers and coastal areas.


Showers will be just well scattered tonight, with a lot of dry weather developing under broken cloud. Lowest temperatures 9 to 12 degrees Celsius. Northwest winds will remain quite brisk.


Breezy for a time tomorrow Saturday, with fresh northwest breezes persisting until mid-afternoon. Overall the day will bring a lot of dry weather however, with just well scattered passing showers, and a mix of cloud and sunny spells through the day. Highest temperatures 15 to 18 degrees Celsius, mildest across the south of Leinster.


OUTLOOK: Continuing changeable and unsettled, with extra-tropical air feeding up some high rainfall accumulations, especially across western and northwestern counties. Warm spells of weather breaking through in parts too though.

SATURDAY NIGHT: Heavy rain across the southwest will gradually move up over the country, with longer spells of thundery rain leading to spot flooding. Hill and coastal fog too. Ulster and parts of Leinster may however stay dry till morning. Lowest temperatures 8 to 12 degrees Celsius, coolest in the north and east where it will remain driest for longest.

SUNDAY: Mostly overcast with overnight rain continuing into the daytime hours. The rain will be persistent and sometimes heavy with the ongoing risk of spot flooding. The rain should ease off at times later too though, with some sunny spells breaking through in the south. Mild and humid with low cloud and coastal fog. Highest temperatures 16 to 20 degrees Celsius, in southwesterly breezes.

MONDAY: Rain will again be persistent at times across western and northern counties, with further spot flooding; elsewhere rainfall will be well scattered but locally heavy. Another mild and humid day in southerly breezes, warm even in parts across parts of the midlands, south and east. Highest temperatures of 17 to 21 degrees Celsius, but possibly higher where the afternoon sun breaks through.

TUESDAY: Heavy showers will gradually move in across the country from the Atlantic. Best of the sunny spells to begin in the east, and later in turn across the west. Highest temperatures 16 to 21 degrees Celsius, in southerly breezes (best values away from Atlantic counties).

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