Ulster

Issued at: 22 May 2025 18:00

TODAY - Thursday 22nd May

Dry with sunny spells this evening.

TONIGHT

Staying dry with clear spells tonight. Patches of mist and fog will develop in a light variable breeze. Lowest temperatures of 3 to 6 degrees.

Pollen Forecast

Moderate on Friday and Saturday.

More information

Solar UV Index

Mostly low on Friday and Saturday but high in any sunshine.

UV Index

TOMORROW - Friday 23rd May

Tomorrow will start dry with spells of sunshine. Cloud will increase from the west bringing outbreaks of rain across the province during the afternoon, heavy at times. Highest temperatures of 14 to 18 degrees in light to moderate southwest winds, freshening in the west in the afternoon.

National Outlook

Friday night: The rain will clear from eastern parts of Ulster and Leinster early Friday night. It will stay cloudy with patches of drizzle, mist and fog. Showery rain will move into the west and northwest towards morning. Mild with temperatures not falling below 12 to 14 degrees, in a light to moderate southwesterly wind.

Saturday: Cloudy and wet with outbreaks of rain or drizzle, turning heavier and more persistent during the afternoon. The rain will be followed by scattered showers for the evening, with some heavy ones likely in the northwest. It will become increasingly breezy too, with moderate to fresh and gusty southwesterly winds developing. Humid with highest temperatures of 14 to 19 degrees.

Saturday night: A mix of clear spells and scattered showers, with a few heavy ones possible in the northwest early in the night. Lowest temperatures of 7 to 10 degrees with a moderate to fresh southwesterly to west wind.

Sunday: A noticeably cooler and fresher day on Sunday, with sunny spells and scattered showers. Highest temperatures of 12 to 15 degrees in a fresh westerly breeze.

Sunday night: Showers will become mainly confined to the north and west on Sunday night. Cloud will increase overnight and may bring some rain or drizzle into the southwest towards morning. Lowest temperatures of 6 to 10 degrees with a moderate southwesterly breeze.

Monday: Unsettled with rain or showers across the country. Highest temperatures of 11 to 14 degrees with a moderate to fresh westerly wind.

Monday night: Becoming drier on Monday night, although some cloud and patchy rain may linger in the south. Lowest temperatures of 6 to 12 degrees, coldest in the north, in a light to moderate westerly wind.

Tuesday: Becoming cloudy and wet again on Tuesday, with rain extending from the southwest. Highest temperatures of 13 to 16 degrees with a moderate south to southwest wind.

Further outlook: Changeable with rain or showers at times. Daytime temperatures reaching the mid to high teens.