National Forecast
Issued at: 09 August 2026 12:30
TODAY - Sunday 9th August
Mostly cloudy at first this afternoon apart from a few sunny spells further south. Outbreaks of rain and drizzle in Ulster, Connacht, north Leinster, and north Munster will gradually clear southeastwards later in the afternoon and evening, becoming patchier as they do so, with many areas further south staying dry. Sunny spells will become more widespread into the evening too. Highest temperatures ranging from a cool 16 degrees in the northwest to a warm 25 degrees in the southeast, with a light, occasionally moderate, southwesterly breeze, veering west to northwest through the day.
TONIGHT
Any lingering patches of rain or drizzle will clear early on, leaving a dry night with clear spells and just light variable breezes or near calm conditions, meaning some mist and fog patches are possible. Lowest temperatures of 8 to 13 degrees.
TOMORROW - Monday 10th August
Dry with sunny spells, hazy at times. Highest temperatures of 17 to 24 degrees, warmest away from coasts further south, with a light southerly or variable breeze.
National Outlook
Overview: High pressure dominates with warm or hot conditions developing. Dry for most at first, with outbreaks of rain and showers later in the week.
Monday night: Dry for most with plenty of clear spells. The odd patch of light rain or drizzle may develop over western coastal counties towards morning. Lowest temperatures of 11 to 15 degrees with a light southeasterly breeze.
Tuesday: Warm and dry for most with good spells of sunshine. Cloudier near the west coast with occasional patches of rain or drizzle. Highest temperatures of 21 to 26 degrees, warmest in the east and midlands, with a mostly moderate southerly breeze.
Tuesday night: Dry with clear spells for most. Patches of rain and drizzle will continue in the west, with the odd patch possible elsewhere. Mild and humid with temperatures not falling below 15 to 18 degrees in mostly light southerly breezes.
Wednesday: Remaining dry with spells of sunshine in the east and southeast, while it will be cloudier in the west and northwest with outbreaks of rain. A warm or hot day with highest temperatures of 22 to 28 degrees, hottest in Leinster, with light to moderate southerly breezes.
Thursday: Likely another warm or hot day with sunny spells and scattered showers, turning heavy at times. Highest temperatures of 22 to 28 degrees, hottest again in Leinster, with light to moderate southwesterly breezes.
Further outlook: Current indications show a mostly settled but cooler end to the week with temperatures falling back close to average.
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.