Ulster

Issued at: 25 May 2026 06:00

TODAY - Monday 25th May

Dry with long spells of sunshine, but with some cloud and fog possible near coasts. Highest temperatures of 20 to 27 degrees, coolest near coasts, with light variable breezes.

TONIGHT

Dry and mild with a mix of cloud and clear spells. Some mist and fog patches too. Lowest temperatures of 10 to 15 degrees, with light northerly or variable breezes.

Pollen Forecast

Moderate.

More information

Solar UV Index

High.

UV Index

TOMORROW - Tuesday 26th May

Another dry day with good spells of sunshine. Some mist and fog patches early in the morning. Highest temperatures of 15 to 25 degrees, coolest in the north of the province near coasts and warmest in the south of it. with light to moderate northeasterly or variable breezes.

National Outlook

Overview: After a warm or very warm and dry first half of the week, temperatures will pull back a little, with some rain and showers to come too.

Tuesday night: Mostly dry with long clear spells, although an isolated shower is possible, and with some mist fog patches forming. Lowest temperatures ranging from 8 degrees in the north to 15 degrees in the south, with light to moderate east to northeast breezes.

Wednesday: Another warm day with lots of sunshine, and just the possibility of an isolated shower or two. Highest temperatures of 20 to 27 degrees, but a little cooler along eastern coasts, with a moderate easterly breeze.

Wednesday night: A very mild night. While it will be dry for most with long clear spells, a few showers may develop, and also some mist and fog patches. Lowest temperatures of 12 to 16 degrees, with a light to moderate east to southeast breeze.

Thursday: Cloudier than recent days with some patchy outbreaks of rain and drizzle further west. A bit cooler too, with highest temperatures of 18 to 24 degrees, a little lower along southern and southwestern coasts. Moderate southeasterly winds will veer southwesterly through the day and freshen a bit.

Friday: Any rain will clear northwards early on, leaving a dry day with some good sunshine, but with cloud building from the south through the afternoon and evening. Highest temperatures of 17 to 21 degrees, with light to moderate west to southwest winds.

Further outlook: Current indications are for a return to more unsettled conditions for the long weekend, with some rain and showers forecast. Highest daytime temperatures falling back to the mid to high teens.