Ulster
Issued at: 03 August 2026 17:30
TODAY - Monday 3rd August
Scattered showers this evening. Longer spells of heavier rain moving up from the south later. Light to moderate southeasterly winds.
TONIGHT
Further showers and longer spells of rain tonight, potentially heavy and thundery with a chance of spot flooding. Lowest temperatures of 12 to 15 degrees in mainly light southerly winds.
Pollen Forecast
Moderate.
Solar UV Index
Low to moderate today, Monday; Moderate tomorrow, Tuesday.
TOMORROW - Tuesday 4th August
After a cloudy and misty start tomorrow with patchy rain and drizzle, sunny spells will gradually develop along with scattered showers. Some of the showers will be heavy and thundery. Highest temperatures of 18 to 22 degrees, coolest in the west with light to moderate southwest winds.
National Outlook
Overview: Cool and unseasonably breezy on Wednesday; wet too for Ulster. Well-scattered showers following on Thursday and Friday, with more widespread showers this weekend.
Tuesday Night: Becoming mainly dry for a time early on Tuesday night as showers become isolated. It will stay mostly dry in the east and south but showers will feed in from the Atlantic over western areas, with more persistent rain developing in the northwest overnight. Lowest temperatures of 11 to 14 degrees with mostly moderate westerly winds, freshening near western and northwestern coasts towards morning.
Wednesday: Cooler and rather windy on Wednesday. Current indications suggest it'll be damp or wet and unseasonably blustery with outbreaks of rain and drizzle affecting Ulster and mainly northern parts of Connacht and Leinster, accompanied by fresh to strong and gusty westerly winds. The rain will be heaviest in west and north Ulster with the potential for spot flooding there. Brighter and drier conditions further south, with a mix of sunny spells and scattered showers and mostly moderate to fresh west to northwest winds. Highest temperatures of 14 to 19 degrees. Rain or showers will ease and becoming increasingly confined to western and northern coasts on Wednesday night, leaving variable cloud and clear spells. Westerly winds will ease light to moderate overnight. Lowest temperatures of 8 to 11 degrees.
Thursday: A mix of sunny spells and scattered showers for Thursday. Cloud will increase near Atlantic coasts towards evening with patchy rain and drizzle developing. Highest temperatures of 15 to 19 degrees in a light to moderate westerly breezes.
Friday: Some bright or sunny spells in the east and south at first, but mostly cloudy conditions elsewhere, with outbreaks of rain and drizzle spreading southeastwards through the day, becoming lighter and patchier as it does so. Highest temperatures of 16 to 19 degrees with light to moderate southwesterly winds freshening near western and northwestern coasts later.
Next Weekend: Mixed and unsettled conditions look set to persist at first, with low pressure continuing to dominate. A chance of more settled conditions developing later in the weekend.
Temperature circle (°C): maximum and minimum temperature forecast for each day. Wind symbol (km/h): arrow points in the direction the wind is blowing. The weather and wind icons: for the time of maximum temperature and minimum temperature.