Letterkenny weather live forecast

Today's maximum temperature in Letterkenny is expected to be 8°C. Select a day from the live weather forecast for Letterkenny, Ireland for more weather parameters.

• Saturday
  22nd Nov
  8
  4
  
  2
  0
• Sunday
  23rd Nov
  8
  5
  
  0
  0
• Monday
  24th Nov
  8
  4
  
  3
  0
• Tuesday
  25th Nov
  7
  3
  
  3
  0
• Wednesday
  26th Nov
  10
  5
  
  0
  0

5-day weather forecast updated at 04:03 on Saturday 22nd November 2025 GMT

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The 5-day weather forecast for Ireland (Letterkenny) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

Letterkenny weather forecast by day

Below are the detailed weather forecasts for Letterkenny for the next 5 days.

Letterkenny weather for Saturday 22nd November 2025

Expect mostly cloudy with light rain in Letterkenny, Ireland with a maximum temperature of 8°C and 2 hours of bright sunshine. There are 2-5 mm of rainfall expected with 69% chance of some rain and a fresh breeze of 29 kph from the south-west.

• 8
  °C maximum temperature
• 4
  °C minimum temperature
• 
  mostly cloudy with light rain
• 2
  hours of sunshine
• 0
  UV index (None)
• 69
  % chance of some rain
• <5
  mm of rainfall expected
• 5
  °C wind chill
• 29
  kph wind from SW

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Letterkenny weather for Sunday 23rd November 2025

Expect cloudy with some rain in Letterkenny, Ireland with a maximum temperature of 8°C and no hours of bright sunshine. There are 10-20 mm of rainfall expected with 77% chance of some rain and a moderate breeze of 26 kph from the north-west.

• 8
  °C maximum temperature
• 5
  °C minimum temperature
• 
  cloudy with some rain
• 0
  hours of sunshine
• 0
  UV index (None)
• 77
  % chance of some rain
• <20
  mm of rainfall expected
• 4
  °C wind chill
• 26
  kph wind from NW

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Letterkenny weather for Monday 24th November 2025

Expect sunshine and showers in Letterkenny, Ireland with a maximum temperature of 8°C and 3 hours of bright sunshine. There are 0-2 mm of rainfall expected with 19% chance of some rain and a moderate breeze of 25 kph from the north.

• 8
  °C maximum temperature
• 4
  °C minimum temperature
• 
  sunshine and showers
• 3
  hours of sunshine
• 0
  UV index (None)
• 19
  % chance of some rain
• <2
  mm of rainfall expected
• 5
  °C wind chill
• 25
  kph wind from N

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Letterkenny weather for Tuesday 25th November 2025

Expect mostly cloudy with light rain in Letterkenny, Ireland with a maximum temperature of 7°C and 3 hours of bright sunshine. There are 0-2 mm of rainfall expected with 25% chance of some rain and a moderate breeze of 20 kph from the south.

• 7
  °C maximum temperature
• 3
  °C minimum temperature
• 
  mostly cloudy with light rain
• 3
  hours of sunshine
• 0
  UV index (None)
• 25
  % chance of some rain
• <2
  mm of rainfall expected
• 3
  °C wind chill
• 20
  kph wind from S

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Letterkenny weather for Wednesday 26th November 2025

Expect overcast with light rain in Letterkenny, Ireland with a maximum temperature of 10°C and no hours of bright sunshine. There are 0-2 mm of rainfall expected with 65% chance of some rain and a moderate breeze of 21 kph from the south.

• 10
  °C maximum temperature
• 5
  °C minimum temperature
• 
  overcast with light rain
• 0
  hours of sunshine
• 0
  UV index (None)
• 65
  % chance of some rain
• <2
  mm of rainfall expected
• 7
  °C wind chill
• 21
  kph wind from S

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• Book online in the Fred Olsen Black Friday sale
• Travel before 31st December 2026 (inclusive)

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Metric (°C / mm)  |  Imperial (°F / inches)

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