Ulster

Issued at: 26 August 2026 17:30

TODAY - Wednesday 26th August

Mainly dry this evening with some sunny spells developing, in a mostly light easterly breeze.

TONIGHT

Dry tonight, with some areas of mist and fog. Mild and humid with temperatures not falling below 12 to 15 degrees, in light winds.

Pollen Forecast

Low today and on Thursday

More information

Solar UV Index

Moderate today and on Thursday

UV Index

TOMORROW - Thursday 27th August

Tomorrow will be dry for much of the day with sunny spells, brightest in the west. There will be potential for outbreaks of heavy thundery rain in eastern areas later. Warm with highest temperatures of 20 to 23 degrees with mostly light northeast winds.

National Outlook

Overview: Unsettled with spells of rain and showers, turning heavy and thundery at times.

Friday night: Dry for most at first. Outbreaks of rain in the southwest will gradually extend over much of the country through the night, though northern areas may remain dry overall. Lowest temperatures of 12 to 16 degrees with mostly light variable breezes and some patches of mist and fog.

Saturday: A wet start for most with rain continuing. It will gradually clear eastwards through the morning and early afternoon with drier and brighter weather following. Highest temperatures of 16 to 21 degrees with light northerly breezes becoming westerly.

Saturday night: Mostly dry with clear spells. Outbreaks of rain and showers will move in from the west towards morning. Lowest temperatures of 10 to 14 degrees in light southerly or variable breezes with areas of mist and fog forming.

Sunday: Outbreaks of rain will become widespread, turning heavy at times with a chance of thunderstorms. Cooler than previous days with highest temperatures of 16 to 19 degrees in a light to moderate southerly breeze.

Monday: Breezy with showers feeding in from the west. Highest temperatures of 15 to 19 degrees in moderate, occasionally fresh, westerly winds.

Further outlook: Likely continuing unsettled on Tuesday and Wednesday with further rain and showers, and temperatures reaching the mid to high teens.