Ulster
Issued at: 31 May 2026 04:00
TODAY - Sunday 31st May
Sunday morning will bring a mix of cloud and hazy sunny spells with just well-scattered showers. Sunny spells will break through more widely for the afternoon with mostly dry weather. However, during the evening, thickening cloud will feed in patchy rain and drizzle to western areas Highest temperatures of 15 to 19 degrees, best values further east, all in a light to moderate west to southwest breeze.
TONIGHT
Cloudy outbreaks of rain and drizzle to extend across the province during Sunday night, turning heavy at times. Hill, mist and coastal fog too. Lowest temperatures of 9 to 13 degrees, in a mostly moderate southerly wind.
Pollen Forecast
Moderate on Sunday and Monday.
Solar UV Index
Moderate to high on Sunday. Locally high in sunshine on Monday, otherwise low to moderate.
TOMORROW - Monday 1st June
Monday will start off mostly dull and wet with further outbreaks of rain. Rain will give way to more showery conditions for the afternoon with some sunny spells breaking through. However, odd heavy shower will follow later. Highest temperatures of 15 to 19 degrees, warmest in the east, with moderate southwest to west winds.
National Outlook
Overview: Unsettled as each day brings rain or showers, some heavy, along with rather brisk southwest winds at times too.
Monday night: Clear spells and scattered heavy showers. Lows of 10 to 13 degrees in light westerly breezes.
Tuesday: A day of sunny spells and showers, some heavy, especially across parts of Ulster and north Leinster during the afternoon. Highest temperatures of 14 to 19 degrees, best values further east, all in a moderate to fresh westerly wind. On Tuesday night, wet and breezy weather will extend from the west.
Wednesday: Lingering overnight rain will clear into the Irish Sea with sunny spells and scattered blustery showers following for the rest of the day, some very heavy falls are possible later. Highest temperatures of 14 to 19 degrees, again best values further east, all with brisk southwesterly winds.
Thursday: Cool and breezy with sunny spells and heavy showers throughout the day. Highest temperatures of 13 to 17 degrees with fresh and gusty west to southwest winds.
Friday and next weekend will continue unsettled with cooler than average weather for early summer too.
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.