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National Forecast

Issued at: 25 September 2018 20:10

TONIGHT - Tuesday 25th September

Mostly dry tonight, just some patchy light rain over the northern half of the country. Breezy with fresh southwest winds, stronger along the coast. Milder than recent nights with lows of 11 to 13 degrees.

TOMORROW - Wednesday 26th September

Cloudy at first tomorrow with patchy drizzle becoming confined to Connacht and west Ulster. Sunny spells will develop over southern counties during the morning and then also in other parts through the afternoon. Warm for the time of year with temperatures of 17 to 21 degrees in southwesterly breezes.

National Outlook

Headline: High pressure looks set to dominate, bringing a good deal of dry weather across the country.

Wednesday night: Most areas dry overnight, some clear spells, mainly over Munster and Leinster. Lowest temperatures 5 to 9 degrees. A few patches of mist and fog also.

Most southern and eastern counties will be dry for much of Thursday, with hazy sunshine and just possibly the odd light shower in the late afternoon or evening. After a dry start in northern and western areas, cloudy, misty conditions will soon develop. Patchy rain or drizzle will affect Connacht and Ulster in the afternoon and early evening. Top temperatures 14 to 16 degrees, generally, but in the high teens in parts of south Munster and south Leinster. Moderate westerly breezes will veer north to northwest during the day and freshen in places, especially over Ulster.

Current indications suggest Friday will be a cool, bright day with sunny spells and isolated showers. Top temperatures of just 11 to 14 degrees, in moderate northeast to north breezes. Cold overnight, with clear spells and grass frost. A few patches of mist or fog may form at dawn. Lowest temperatures 2 to 4 degrees.

High pressure looks set to remain the dominant feature of our weather over the weekend, with a good deal of dry weather across the country with sunny spells. However, it looks set to be rather cool and there is a chance of a few passing showers Saturday night and early Sunday. Cold at night, with grass frost under any clear spells.

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