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Regional Forecast for Ulster

Issued at: 22 May 2019 12:50

TODAY - Wednesday 22nd May

Dry with some bright or sunny spells. Maximum temperatures 16 or 17 Celsius, but a little cooler along coasts. Breezes will be light and variable in direction.

TONIGHT - Wednesday 22nd May

Tonight will remain mostly dry with clear spells, but the odd spot of drizzle is possible by morning. A few mist patches will form under light breezes. Minimum temperatures around 6 Celsius but possibly a little cooler under long clear breaks.

Pollen Forecast

Low for Wednesday and Thursday.

More information

Solar UV Index

Moderate to high on Wednesday. Mostly moderate to low on Thursday, but high in any sunshine.

UV Index

TOMORROW - Thursday 23rd May

Thursday will be mostly cloudy but a few bright spells will occur. Dry in most areas with just an isolated shower possible. Maximum temperatures 15 to 18 Celsius, in light variable breezes.

National Outlook

Headline: Quite unsettled overall, but mild up to and including Saturday, with just relatively small amounts of rain. Temperatures will fall gradually from Sunday onwards and it will remain unsettled, with the possibility of higher amounts of rain at times.

Thursday night: Dry in most areas, but a few scattered showers will occur, mainly in parts of the north. A few patches of mist or fog also, in light west to northwest or variable winds. Lowest temperatures of 8 to 11 degrees Celsius.

Friday: Dry in most areas, with bright or sunny spells, but a few scattered showers will occur. Mild with highest temperatures 15 to 19 Celsius, in a light westerly breeze. Friday night will be mainly dry at first, but outbreaks of rain and drizzle will move in from the Atlantic, affecting mainly parts of west Munster and Connacht. Lows of 6 to 9 degrees Celsius, in light westerly breezes, backing southerly.

Saturday: Mostly cloudy, with outbreaks of rain and drizzle extending eastwards during the morning, persistent in parts of the north and in some Atlantic coastal counties, but very patchy elsewhere. Hill and coastal fog also. Good dry spells will develop during the afternoon and evening in many inland areas, with some bright spells, but many Atlantic coastal areas will remain dull and misty. Quite warm in any bright spells, with maximum temperatures of 16 to 20 degrees Celsius, but cooler on Atlantic coasts. Winds mostly moderate westerly.
On Saturday night, a spell of more persistent rain and drizzle will extend from the Atlantic, with freshening southwesterly winds.

Sunday: Outbreaks of rain in the early morning will clear from the west and most of Sunday will be bright, with sunny spells developing and just a few scattered shower, most of the showers in west Ulster, Connacht and west Munster. It will be quite windy, especially in the northwest, with moderate to fresh westerly winds, winds strong on western and northern coasts. Turning a little cooler, with maximum temperatures of 14 to 18 Celsius.

Monday to Wednesday: Early indications suggest that it will turn gradually cooler, with unsettled weather.


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