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Forecast confidence: High · models disagree by 2°C

Lucan weather

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Cloudy,rain likely tomorrow

Met Office, the European and the American model agree on a high near 18° in Lucan today. Tomorrow: light drizzle, around 19°, with a 59% chance of rain.

18°10°
19°16°
15°10°
13°7°
13°6°
15°10°
Todaymodels agreeTomorrowmodels agreeTuesdaymodels agreeWednesdaymodels agreeThursdaymodels agreeFridaymodels agree
Met OfficeUKMO model
18°
Overcast
Feels 18° · Wind 13 km/h · Humidity 81%
EuropeanECMWF
17°
Overcast
Feels 16° · Wind 18 km/h · Humidity 83%
AmericanNOAA GFS
18°
Overcast
Feels 17° · Wind 17 km/h · Humidity 82%

Latest for Lucan: Met Office (UKMO model): 18° Overcast · European (ECMWF): 17° Overcast · American (NOAA GFS): 18° Overcast.

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Lucan weather in numbers

from 30 years of measured normals

Lucan 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 936 mm of precipitation.

Warmest month
August
19°C average high
Coldest month
January
3°C average low
Wettest month
October
936 mm a year
Below freezing
Never
overnight lows stay above 0°C
Comfortable
4 months
June, July, August and September
Residents
15,000
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The weather map: all three models at once

Met Office, European, American side by side around Lucan and nearby towns.Live rain radar →
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Lucan hourly forecast: next 14 hours

consensus of the three models

Rain in the next 24 hours, model by model

each model's own hourly precipitation, side by side

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Lucan 10-day forecast, out to 14 days

where the models agree, and where they split
Today
Cloudy
18° 10°
models agree
Tomorrow
Light drizzle
19° 16°
models agree
Tue
Rain
15° 10°
models agree
Wed
Light drizzle
13° 7°
models agree
Thu
Light drizzle
13° 6°
models agree
Fri
Light drizzle
15° 10°
models agree
Sat
Cloudy
13° 8°
models agree
Sun
Light drizzle
15° 9°
±2°
Mon
Light drizzle
16° 9°
models agree
Tue
Light drizzle
16° 11°
±5°
Wed
Light drizzle
15° 9°
±6°
Thu
Light drizzle
12° 8°
±4°
Fri
Cloudy
11° 7°
models agree
Sat
Cloudy
11° 6°
models agree

Lucan, Co. Dublin is at its warmest in Aug (average highs near 19°C) and coldest in Jan (lows around 3°C), with roughly 936 mm of precipitation across the year. Below, compare what Met Office, European, American forecast for Lucan right now, and see exactly where they disagree.

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.

Lucan climate by month

average daytime high and overnight low across a typical year (1991-2020)
Jan
8°
3°
Feb
8°
3°
Mar
9°
4°
Apr
11°
5°
May
15°
7°
Jun
17°
10°
Jul
18°
12°
Aug
19°
12°
Sep
16°
10°
Oct
13°
8°
Nov
9°
4°
Dec
8°
4°

Source: 1991-2020 averages, ERA5 for this place adjusted with NASA POWER.

How the weather around Lucan has changed since 1995

Lucan 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 Lucan?

CheckWeather Score, graded against the weather that actually happened
ProviderCheckWeather-scoreTempWindRainRun by
European logo
European ★ Best
94
/100rank #1
96±0.2°C98±1.0 km/h8994% hitECMWF - European Centre for Medium-Range Weather ForecastsReading, United Kingdom
Met Office logo
Met Office
81
/100rank #2
85±0.8°C89±5.3 km/h7184% hitMet Office (United Kingdom)Exeter, United Kingdom
American logo
American
79
/100rank #3
82±1.0°C93±3.3 km/h6581% hitNOAA / NCEP (United States)College Park, Maryland, USA

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.

What do you think of the forecasts?

your vote counts

The 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.

Met OfficeUKMO model
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EuropeanECMWF
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AmericanNOAA GFS
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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 separately
DayTemperatureRain
Today±2°18° to 19°±3%0% to 3% chance
Tomorrow±2°18° to 20°±59%0% to 59% chance
Tuemodels agree15° to 16°±9%58% to 67% chance
Wed±1°12° to 13°±24%43% to 67% chance
Thu±1°12° to 14°±54%46% to 100% chance

The 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.

Sunrise and sunset in Lucan

today, local time
Sunrise
07:32
Sunset
18:55
Daylight
11h 23m

Common questions

What's the weather in Lucan today?
Sunday 4 October: Met Office, the European and the American model agree on a high near 18° in Lucan today. Tomorrow: light drizzle, around 19°, with a 59% chance of rain. The forecast on this page refreshes live.
Will it rain in Lucan today or tomorrow?
The models split on rain in Lucan on Monday 5 October: Met Office 0%, European 59%, American 39%. When they disagree like this, treat any single app's answer with caution. On Sunday 4 October the highest chance of rain from any model is 3%. The hourly strip and the model-by-model rain panel above update live.
Which forecast is most accurate for Lucan?
Over the last 30 days, the European model has been the most accurate for Lucan (CheckWeather Score 94/100), ahead of the Met Office at 81. We grade every model against the recorded weather. See the IE accuracy scoreboard for the full method.
What is the warmest month in Lucan?
August is typically the warmest month in Lucan, with average highs around 19°C.
How cold does Lucan get?
The coldest month in Lucan is January, when overnight lows average about 3°C.
How much rain does Lucan get?
Lucan sees roughly 936 mm of precipitation a year, with October usually the wettest month.

Nearby

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