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Weather in Letterkenny, Ireland 🇮🇪

Current Weather in Letterkenny

Partly cloudy
16°C
Feels like 16°C. Partly cloudy.
🌬️ 16 km/h SSW
💧 77% Humidity
🧭 1006 hPa
👁️ 10.0 km Visibility
☀️ UV Index: 0.3
🌡️ Dew Point: 11°C
🌅 Sunrise: 04:54 AM
🌇 Sunset: 10:04 PM
Map Overlays:

In Letterkenny right now it is 16°C and partly cloudy, feeling like 16°C. Humidity is 77% with winds around 16 km/h, and the UV index is 0 (low). Over the next few days, temperatures in Letterkenny range from about 5°C to 15°C.

Hourly Forecast for Letterkenny

11:00
Patchy rain nearby
12°
73%
12:00
Overcast
11°
32%
13:00
Patchy rain nearby
12°
73%
14:00
Patchy rain nearby
11°
73%
15:00
Patchy rain nearby
11°
73%
16:00
Partly Cloudy
11°
17%
17:00
Patchy rain nearby
14°
11%
18:00
Patchy rain nearby
14°
73%
19:00
Patchy light drizzle
14°
73%
20:00
Light rain shower
12°
73%
21:00
Light rain shower
11°
73%
22:00
Patchy rain nearby
41%
23:00
Light drizzle
89%
00:00
Light rain shower
80%
01:00
Mist
41%
02:00
Mist
24%
03:00
Mist
20%
04:00
Mist
49%
05:00
Mist
19%
06:00
Mist
23%
07:00
Mist
19%
08:00
Patchy rain nearby
34%
09:00
Patchy light drizzle
10°
73%
10:00
Patchy rain nearby
12°
73%

14-Day Forecast for Letterkenny

Sun, Jun 07
Moderate rain Moderate rain
14° /
Mon, Jun 08
Patchy rain nearby Patchy rain nearby
15° /
Tue, Jun 09
Moderate rain Moderate rain
14° /
Wed, Jun 10
Moderate rain Moderate rain
12° /
Thu, Jun 11
Patchy rain nearby Patchy rain nearby
15° /
Fri, Jun 12
Partly Cloudy Partly Cloudy
16° /
Sat, Jun 13
Patchy rain nearby Patchy rain nearby
17° /
Sun, Jun 14
Partly Cloudy Partly Cloudy
21° / 12°
Mon, Jun 15
Partly Cloudy Partly Cloudy
21° / 10°
Tue, Jun 16
Patchy rain nearby Patchy rain nearby
16° /
Wed, Jun 17
Patchy rain nearby Patchy rain nearby
16° /
Thu, Jun 18
Patchy rain nearby Patchy rain nearby
15° / 10°
Fri, Jun 19
Overcast Overcast
16° / 10°
Sat, Jun 20
Patchy rain nearby Patchy rain nearby
14° /

Additional Forecasts for Letterkenny

Air Quality

💨 US EPA Index 1 (Good)
CO (Carbon Monoxide) 110.0 μg/m³
O₃ (Ozone) 70.0 μg/m³
NO₂ (Nitrogen Dioxide) 0.5 μg/m³
SO₂ (Sulphur Dioxide) 0.1 μg/m³
PM2.5 (Fine particles) 3.0 μg/m³
PM10 (Coarse particles) 4.2 μg/m³

Historical Weather

Weather Forecasts for Other Cities in Ireland

Browse Weather in Ireland by cities in alphabetical order:

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Weather in Ireland ›

Best Time to Be Outside in Letterkenny Today

The most comfortable window in Letterkenny today looks like 16:00 to 18:00, when it is around 13°C. The next likely rain is around 11:00.

Frequently Asked Questions about Weather in Letterkenny

What is the temperature in Letterkenny right now?

The current temperature in Letterkenny is 16°C (61°F), partly cloudy (feels like 16°C).

What's the weather like in Letterkenny right now?

Conditions in Letterkenny right now: Partly cloudy, humidity 77%, wind 16 km/h SSW.

What is today's forecast for Letterkenny?

Today in Letterkenny: high 14°C, low 9°C, moderate rain. Chance of rain: 94%.

What is the 7-day weather forecast for Letterkenny?

Daily highs and lows for Letterkenny:

  • 2026-06-07: 14°C / 9°C
  • 2026-06-08: 15°C / 5°C
  • 2026-06-09: 14°C / 5°C
  • 2026-06-10: 12°C / 4°C
  • 2026-06-11: 15°C / 8°C
  • 2026-06-12: 16°C / 5°C
  • 2026-06-13: 17°C / 9°C
Is it going to rain in Letterkenny today?

There is a 94% chance of rain in Letterkenny today. Total expected precipitation: 5.09 mm.

What is the wind speed in Letterkenny right now?

Wind in Letterkenny is currently 16 km/h (10 mph) from the SSW.

What is the UV index in Letterkenny right now?

The UV index in Letterkenny 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