National Forecast
Issued at: 27 July 2026 22:00
TONIGHT
Mild, humid and mostly cloudy tonight. Outbreaks of rain and drizzle will be most frequent and persistent in parts of Connacht and Ulster, lighter and patchier elsewhere with many areas remaining dry. Temperatures will not fall below 14 to 18 degrees in light to moderate southwest winds with some mist and hill fog forming.
TOMORROW - Tuesday 28th July
Generally warm and humid tomorrow. Rather cloudy with the best of the sunny spells away from the west and northwest where outbreaks of rain and drizzle will be most persistent. Rain and drizzle will be more isolated elsewhere with many areas remaining dry. Highest temperatures of 18 to 26 degrees, coolest in the northwest and mildest in the east, in mostly moderate southwesterly winds.
National Outlook
Overview: Mixed and changeable weather this week. While most of the rainfall during the week will be across the west and north, drier conditions will persist further south and east. Feeling humid through the early part of the week.
Tuesday night: Cloudy in the north and west with outbreaks of rain becoming more persistent later in the night and towards morning, but staying mostly dry elsewhere with a mix of cloud and clear spells. Some mist and hill fog too. Lowest temperatures of 12 to 16 degrees, with light to moderate southwesterly winds.
Wednesday: Starting off generally cloudy, outbreaks of rain in the north and west will slowly clear southeastwards through the day with sunny spells and drier conditions following. Highest temperatures of 17 to 24 degrees, warmest in the south and east, with light to moderate southwesterly winds veering westerly.
Wednesday night: Mostly clear and dry with just a few light showers affecting Atlantic coastal areas. Lowest temperatures of 9 to 11 degrees, with a light westerly breeze.
Thursday: Feeling fresher than previous days with a mix of sunny spells and showers, the heaviest and most persistent of which will be further north. Highest temperatures of 15 to 21 degrees, again warmest in the south and east, with a moderate west to northwest breeze.
Friday: A mix of sunny spells and scattered showers, again with the driest conditions further south. Highest temperatures of 16 to 22 degrees, coolest in the northwest, with light to moderate southwest to west winds.
Further outlook (bank holiday weekend): Current indications suggest Saturday and Sunday will be mostly dry with a few showers on Monday, and with temperatures in the high teens or low twenties generally.
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.