Dún Laoghaire weather
Loading live data…Cloudy,much the same tomorrow
Met Office, the European and the American model agree on a high near 19° in Dún Laoghaire today. Tomorrow: cloudy, around 20°, with a 23% chance of rain.
Latest for Dún Laoghaire: Met Office (UKMO model): 19° Overcast · European (ECMWF): 18° Overcast · American (NOAA GFS): 18° Overcast.
CheckWeather.io on iPhoneFree. No ads, no account.Dún Laoghaire weather in numbers
from 30 years of measured normalsDún Laoghaire swings 15°C across the year, from 19°C highs in August to 4°C lows in February, and October is usually the wettest month in a year that brings about 946 mm of precipitation.
The weather map: all three models at once
Met Office, European, American side by side around Dún Laoghaire and nearby towns.Live rain radar →Dún Laoghaire hourly forecast: next 14 hours
consensus of the three modelsRain in the next 24 hours, model by model
each model's own hourly precipitation, side by sideLoading the three models…
Dún Laoghaire 10-day forecast, out to 14 days
where the models agree, and where they splitDún Laoghaire, Co. Dublin. Below we compare what Met Office, European, American forecast for Dún Laoghaire right now and flag exactly where they disagree, then break down Dún Laoghaire's weather month by month and which forecast model has been most accurate here.
We grade every model against the weather that actually happened, so you can see which forecast model is most accurate in Ireland before you trust any single number.
Dún Laoghaire weather by month
what to expect in Dún Laoghaire through the year, 1991-2020 averagesHere is Dún Laoghaire's typical weather in each month: the average daytime high and overnight low in °C, how each month feels, and the wettest month marked. Use it to plan any trip to Dún Laoghaire by season.
What Dún Laoghaire's weather is like through the year
Dún Laoghaire runs from warm summers, with August highs near 19°C, to cool winters, when February lows sit around 4°C (a swing of about 15°C across the year). October is usually the wettest month, and Dún Laoghaire sees roughly 946 mm of precipitation annually.
Best time to visit Dún Laoghaire
The most comfortable time to visit Dún Laoghaire is usually June, July, August and September, when daytime highs sit in the pleasant 16-26°C range and the heaviest October rain is behind you.
How the weather around Dún Laoghaire has changed since 1995
Dún Laoghaire sits in the same roughly 50 km square of NASA's reanalysis as Dublin. That square shows no clear change in temperature between 1995-2004 and 2015-2024. See the full 30-year picture on the Dublin page.
Which forecast is most accurate in Dún Laoghaire?
CheckWeather Score, graded against the weather that actually happened
The CheckWeather Score blends temperature, wind and rain accuracy, each measured against ERA5 (the recorded weather) over the last 30 days across 60 cities. Lower error means a higher score. See which forecast model is most accurate in Ireland, how we measure forecast accuracy, or which model each weather app uses.
Bottom line: over the last 30 days the European model has been the most accurate forecast for Dún Laoghaire, scoring 88/100 on our CheckWeather Score, ahead of the American at 83. See the full IE accuracy scoreboard for exactly how every model is tested.
What do you think of the forecasts?
your vote countsThe accuracy above is the measured record. This is your opinion: which forecast service do you trust most in Ireland? Give each 1 to 5 stars.
One vote per service. Anonymous: we store no personal data, only a one-way hash of your connection for a day to stop double votes.
Where the models disagree
temperature and rain, judged separatelyThe models often agree on temperature and still split on rain, and rain is usually what decides whether a plan survives. A wide rain range means the shower is genuinely uncertain, not that the forecast is wrong.