Tallaght weather
Loading live data…Cloudy,rain likely tomorrow
Met Office, the European and the American model agree on a high near 18° in Tallaght today. Tomorrow: light drizzle, around 19°, with a 23% chance of rain.
CheckWeather.io on iPhoneFree. No ads, no account.Tallaght weather in numbers
from 30 years of measured normalsTallaght swings 16°C across the year, from 19°C highs in August to 3°C lows in January, and October is usually the wettest month in a year that brings about 1066 mm of precipitation.
The weather map: all three models at once
Met Office, European, American side by side around Tallaght and nearby towns.Live rain radar →Tallaght 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…
Tallaght 10-day forecast, out to 14 days
where the models agree, and where they splitTallaght, Co. Dublin. Below we compare what Met Office, European, American forecast for Tallaght right now and flag exactly where they disagree, then break down Tallaght'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.
Tallaght weather by month
what to expect in Tallaght through the year, 1991-2020 averagesHere is Tallaght'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 Tallaght by season.
What Tallaght's weather is like through the year
Tallaght runs from warm summers, with August highs near 19°C, to cool winters, when January lows sit around 3°C (a swing of about 16°C across the year). October is usually the wettest month, and Tallaght sees roughly 1066 mm of precipitation annually.
Best time to visit Tallaght
The most comfortable time to visit Tallaght 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 Tallaght has changed since 1995
Tallaght 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 Tallaght?
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 Tallaght, scoring 89/100 on our CheckWeather Score, ahead of the Met Office at 84. 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.