Leinster
Issued at: 13 September 2026 11:00
TODAY - Sunday 13th September
Mostly cloudy and dry today with only a few isolated showers. Highs of 18 to 21 degrees with light southerly or variable winds.
TONIGHT
It will be largely cloudy tonight with some patchy mist and fog developing. Isolated drizzle is possible, but most places will stay dry. Mild and humid with lows of 13 to 16 degrees, with light to moderate southerly winds.
Pollen Forecast
Low on Sunday and Monday.
Solar UV Index
Generally low, but moderate in any clear spells.
TOMORROW - Monday 14th September
Tomorrow will start dry with some sunny spells, but it will become cloudy with spells of showery rain moving across the region through the day. The rain will be heavy at times. Warm and humid with highs of 18 to 23 degrees, with light to moderate southerly winds at first, increasing moderate to fresh through the day.
National Outlook
Overview: Cooler and changeable with rain or showers at times.
Monday night: Wet early in the night with widespread outbreaks of rain, along with mist and hill fog. The rain will gradually clear away to the east and will be followed by clear spells and scattered showers. Moderate to fresh southwesterly winds, easing and becoming westerly with the clearance of the rain. Very mild early in the night, but becoming cooler overnight with temperatures falling to between 11 and 14 degrees.
Tuesday: Brighter, cooler and fresher on Tuesday with a mix of sunny spells and scattered showers. Highest temperatures of 15 to 18 degrees with a moderate northwesterly breeze.
Tuesday night: Showers will become isolated during Tuesday night and will mainly affect the north and west. Lowest temperatures of 10 to 13 degrees with light to moderate northwesterly winds.
Wednesday: Mostly dry on Wednesday morning with sunny spells and isolated showers. Cloud will increase from the west through the afternoon, bringing some patches of drizzle. Top temperatures of 14 to 17 degrees in a moderate northwest to southwest wind.
Wednesday night: Cloudy with patches of drizzle early in the night, before a band of rain tracks eastwards across the country. The rain will quickly clear and will be followed by clear spells and showers. Lowest temperatures of 9 to 13 degrees with moderate southwest to west winds.
Thursday: Bright and breezy on Thursday with sunshine and scattered blustery showers. Cloudier conditions and longer spells of rain are possible in northern areas. Highest temperatures of 13 to 17 degrees with fresh and gusty westerly winds.
Outlook for the rest of the week: Staying changeable with further rain and showers at times, mixed with dry and bright periods. Daytime temperatures in the mid to high teens.
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.