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Weather in Dún Laoghaire, Ireland 🇮🇪

Weather Forecast in Dún Laoghaire

Current Weather in Dún Laoghaire

Sunny
21°C
Feels like 21°C. Sunny.
🌬️ 4 km/h ENE
💧 73% Humidity
🧭 1018 hPa
👁️ 10.0 km Visibility
☀️ UV Index: 0.3
🌡️ Dew Point: 15°C
🌅 Sunrise: 05:08 AM
🌇 Sunset: 09:50 PM
Map Overlays:

In Dún Laoghaire right now it is 21°C and sunny, feeling like 21°C. Humidity is 73% with winds around 4 km/h, and the UV index is 0 (low). Over the next few days, temperatures in Dún Laoghaire range from about 13°C to 20°C.

Hourly Forecast for Dún Laoghaire

21:00
Sunny
16°
14%
22:00
Clear
15°
15%
23:00
Clear
15°
15%
00:00
Clear
15°
15%
01:00
Clear
15°
15%
02:00
Clear
15°
16%
03:00
Mist
14°
21%
04:00
Mist
14°
21%
05:00
Mist
14°
21%
06:00
Sunny
15°
16%
07:00
Partly Cloudy
16°
18%
08:00
Partly Cloudy
17°
15%
09:00
Sunny
17°
13%
10:00
Sunny
18°
13%
11:00
Sunny
18°
13%
12:00
Sunny
18°
11%
13:00
Sunny
18°
10%
14:00
Sunny
19°
10%
15:00
Sunny
19°
10%
16:00
Sunny
18°
9%
17:00
Sunny
18°
9%
18:00
Sunny
18°
10%
19:00
Sunny
18°
10%
20:00
Sunny
17°
11%

14-Day Forecast for Dún Laoghaire

Thu, Jul 09
Sunny Sunny
20° / 13°
Fri, Jul 10
Sunny Sunny
19° / 14°
Sat, Jul 11
Partly Cloudy Partly Cloudy
18° / 14°
Sun, Jul 12
Sunny Sunny
18° / 15°
Mon, Jul 13
Sunny Sunny
17° / 14°
Tue, Jul 14
Sunny Sunny
18° / 14°
Wed, Jul 15
Sunny Sunny
19° / 14°
Thu, Jul 16
Patchy rain nearby Patchy rain nearby
19° / 15°
Fri, Jul 17
Patchy rain nearby Patchy rain nearby
18° / 15°
Sat, Jul 18
Patchy rain nearby Patchy rain nearby
18° / 11°
Sun, Jul 19
Patchy rain nearby Patchy rain nearby
17° / 14°
Mon, Jul 20
Partly Cloudy Partly Cloudy
18° / 13°
Tue, Jul 21
Sunny Sunny
18° / 11°
Wed, Jul 22
Sunny Sunny
18° /

Additional Forecasts for Dún Laoghaire

Air Quality

💨 US EPA Index 1 (Good)
CO (Carbon Monoxide) 99.0 μg/m³
O₃ (Ozone) 67.0 μg/m³
NO₂ (Nitrogen Dioxide) 3.6 μg/m³
SO₂ (Sulphur Dioxide) 0.6 μg/m³
PM2.5 (Fine particles) 4.0 μg/m³
PM10 (Coarse particles) 6.8 μg/m³

Historical Weather

Weather Forecasts for Other Cities in Ireland

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Best Time to Be Outside in Dún Laoghaire Tomorrow

There is no good daylight window left in Dún Laoghaire today. Tomorrow, the most comfortable window looks like 11:00 to 13:00, when it is around 18°C. It should stay dry through that window. No significant rain is expected in the next several hours.

Frequently Asked Questions about Weather in Dún Laoghaire

What is the temperature in Dún Laoghaire right now?

The current temperature in Dún Laoghaire is 21°C (70°F), sunny (feels like 21°C).

What's the weather like in Dún Laoghaire right now?

Conditions in Dún Laoghaire right now: Sunny, humidity 73%, wind 4 km/h ENE.

What is today's forecast for Dún Laoghaire?

Today in Dún Laoghaire: high 20°C, low 13°C, sunny. Chance of rain: 12%.

What is the 7-day weather forecast for Dún Laoghaire?

Daily highs and lows for Dún Laoghaire:

  • 2026-07-09: 20°C / 13°C
  • 2026-07-10: 19°C / 14°C
  • 2026-07-11: 18°C / 14°C
  • 2026-07-12: 18°C / 15°C
  • 2026-07-13: 17°C / 14°C
  • 2026-07-14: 18°C / 14°C
  • 2026-07-15: 19°C / 14°C
Is it going to rain in Dún Laoghaire today?

There is a 12% chance of rain in Dún Laoghaire today. Total expected precipitation: 0.01 mm.

What is the wind speed in Dún Laoghaire right now?

Wind in Dún Laoghaire is currently 4 km/h (2 mph) from the ENE.

What is the UV index in Dún Laoghaire right now?

The UV index in Dún Laoghaire is currently 0.3 (low). Sun protection is recommended when the index is 3 or higher.

Weather forecasts for other major cities in 🇮🇪 Ireland: Dublin · South Dublin · Cork · Limerick · Galway · Tallaght · Swords · Drogheda · Bray · Dún Laoghaire · Ennis · Navan · Carlow · Tralee · Droichead Nua · Sandyford · Balbriggan · Kilkenny · Athlone · Naas · Celbridge · Wexford · Finglas · Letterkenny · Sligo · Ballincollig · Greystones · Rathfarnham · An Muileann gCearr · Cluain Meala · Malahide · Blanchardstown · Carrigaline · Leixlip · Donaghmede · Lucan · Kilquade · Castletroy · Knocklyon · Maynooth · Clondalkin · Cill Airne · Shankill · Wicklow
Weather forecasts for cities in neighbouring countries: 🇬🇧 United Kingdom: London · Birmingham · Liverpool · Glasgow · Sheffield · Leeds