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Letterkenny Panorama (10827296124)Photo: Miguel Mendez from Malahide, Ireland · CC BY 2.0
Weather in Letterkenny · MET Norway forecast + Met Éireann averages

Letterkenny’s November turns cool today: 8 degrees

Letterkenny’s November pattern is steady: afternoons average 10°C, nights 4°C. Expect no rain today, only a light breath of wind up to 13 km/h, and a low of 3°C. By December, a normal day reaches 8°C and a normal night 2°C.

Winter 8°/2°CSpring 13°/5°CSummer 18°/11°CAutumn 13°/7°C
Right now
3°C
Partly cloudy
High 8°C · Low 3°C · Wind 6 km/h
Today 3°C cooler than a normal 10 November
Sunrise 07:52 · sunset 16:36
Today
8°C / 3°C
A normal 10 November: 11°C / 5°C
Rain, next 24 hours
None
Staying mostly dry
Wind
6 km/h
From the north-east · up to 13 km/h today
Humidity
93%
relative humidity
Daylight
8 h 43 min
07:52 to 16:36
Hour by hour · °C

The next 24 hours in Letterkenny

The day peaks around 13:00 at 8°C and bottoms out near 04:00 at 3°C. Little or no rain.

04:00 · 3°C · Partly cloudy · 0.0 mm · wind 6 km/h3°Now05:00 · 3°C · Partly cloudy · 0.0 mm · wind 8 km/h06:00 · 3°C · Cloudy · 0.0 mm · wind 8 km/h3°07:00 · 3°C · Cloudy · 0.0 mm · wind 7 km/h07:0008:00 · 3°C · Cloudy · 0.0 mm · wind 7 km/h3°09:00 · 4°C · Cloudy · 0.0 mm · wind 9 km/h10:00 · 5°C · Cloudy · 0.0 mm · wind 11 km/h5°10:0011:00 · 6°C · Fog · 0.0 mm · wind 11 km/h12:00 · 7°C · Cloudy · 0.0 mm · wind 12 km/h7°13:00 · 8°C · Cloudy · 0.0 mm · wind 12 km/h8°13:0014:00 · 8°C · Cloudy · 0.0 mm · wind 13 km/h8°15:00 · 8°C · Cloudy · 0.0 mm · wind 12 km/h16:00 · 7°C · Cloudy · 0.0 mm · wind 12 km/h7°16:0017:00 · 6°C · Cloudy · 0.0 mm · wind 11 km/h18:00 · 5°C · Partly cloudy · 0.0 mm · wind 11 km/h5°19:00 · 4°C · Partly cloudy · 0.0 mm · wind 10 km/h19:0020:00 · 4°C · Partly cloudy · 0.0 mm · wind 10 km/h4°21:00 · 4°C · Partly cloudy · 0.0 mm · wind 9 km/h22:00 · 4°C · Partly cloudy · 0.0 mm · wind 9 km/h4°22:0023:00 · 4°C · Partly cloudy · 0.0 mm · wind 9 km/h00:00 · 3°C · Partly cloudy · 0.0 mm · wind 8 km/h3°01:00 · 3°C · Partly cloudy · 0.0 mm · wind 8 km/h01:0002:00 · 3°C · Partly cloudy · 0.0 mm · wind 8 km/h3°03:00 · 3°C · Partly cloudy · 0.0 mm · wind 8 km/h
TemperatureRain (mm in the hour)Night
7 days · °C

The week ahead, against a normal week

The week leans cool against the normals. Tap a day for more.

Today10 NovCloudydry3°8°−3°

Tuesday 10 November: Cloudy, a high of 8°C and a low of 3°C; no rain expected; wind up to 13 km/h.

A normal 10 November in Letterkenny: high 11°C, low 5°C.

Tomorrow11 NovCloudydry2°8°−2°

Wednesday 11 November: Cloudy, a high of 8°C and a low of 2°C; no rain expected; wind up to 23 km/h.

A normal 11 November in Letterkenny: high 11°C, low 4°C.

Thu12 NovPartly cloudydry6°8°−2°

Thursday 12 November: Partly cloudy, a high of 8°C and a low of 6°C; no rain expected; wind up to 25 km/h.

A normal 12 November in Letterkenny: high 11°C, low 4°C.

Fri13 NovPartly cloudydry5°8°−3°

Friday 13 November: Partly cloudy, a high of 8°C and a low of 5°C; no rain expected; wind up to 10 km/h.

A normal 13 November in Letterkenny: high 11°C, low 4°C.

Sat14 NovCloudy0.4 mm rain2°7°−3°

Saturday 14 November: Cloudy, a high of 7°C and a low of 2°C; 0.4 mm of rain; wind up to 17 km/h.

A normal 14 November in Letterkenny: high 10°C, low 4°C.

Sun15 NovCloudy3.4 mm rain4°7°−4°

Sunday 15 November: Cloudy, a high of 7°C and a low of 4°C; 3.4 mm of rain; wind up to 10 km/h.

A normal 15 November in Letterkenny: high 10°C, low 4°C.

Mon16 NovCloudy0.2 mm rain−1°6°−4°

Monday 16 November: Cloudy, a high of 6°C and a low of −1°C; 0.2 mm of rain; wind up to 22 km/h.

A normal 16 November in Letterkenny: high 10°C, low 4°C.

Normal range for the date (Met Éireann 1991–2020)Forecast low to high

What stands out about Letterkenny’s weather

Read from the Met Éireann 30-year averages, against Irish towns. Each one opens the full story on the Climate page.

Climate →
Cooler summers than most Irish townsJuly afternoons average 18.8°C, cooler than 97% of Irish towns.Wetter than most Irish towns1,280 mm of rain in a normal year, wetter than 92% of Irish towns.Colder winter nights than most Irish townsJanuary nights average 2.0°C, colder than 90% of Irish towns.Warming faster than most Irish townsThe 1991–2020 year averaged 0.3°C warmer than 1981–2010, a bigger shift than 89% of Irish towns.
A normal year

Where today sits in Letterkenny’s year

Typical highs and lows month by month, from the Met Éireann 1991–2020 averages, with today’s forecast on top.

Full climate →
Winter
8° / 2°
417 mm of rain, the wettest season
Spring
13° / 5°
251 mm of rain
Summer
18° / 11°
262 mm of rain
Autumn now
13° / 7°
350 mm of rain
Best months to be outside
JunJulAug
Highs of 17–27°C and nights of 8°C or more
When is it wettest?December, with 154 mm.Is it warmer than it used to be?+0.3°C on the 1981–2010 averages.What is each month like?Highs, lows and rain for all 12.

Warnings and more

This page doesn’t repeat official warnings: check Met Éireann’s weather warnings before travelling in bad weather.

Met Éireann weather warningsStatus yellow, orange and red warnings for wind, rain, snow and ice, thunderstorms, fog and high temperatures, county by county, from Ireland’s national meteorological service.Rivers, tides and flood mapsfloodinfo.ie, from the Office of Public Works: live river and tide levels and the national flood maps.Letterkenny’s climateNormal temperatures and rain month by month, from Met Éireann’s 30-year averages.

Forecast: Data from MET Norway (Norwegian Meteorological Institute), CC BY 4.0; wind in km/h and times in Irish time by us, fetched 10 November, 04:36. Normals: Met Éireann 1991–2020 averages for the town (Copyright Met Éireann, CC BY 4.0). Sunrise and sunset are calculated from the town’s position.

Contains Central Statistics Office (CSO) data, Census 2022, and Tailte Éireann boundaries (CSO Urban Areas, Small Areas, local electoral areas, constituencies), under Creative Commons Attribution 4.0 (CC BY 4.0).