Letterkenny weather live forecast

Today's maximum temperature in Letterkenny is expected to be 11°C. Select a day from the live weather forecast for Letterkenny, Ireland for more weather parameters.

  • Wednesday
    22nd Oct
    Mostly cloudy with light rain (0-2 mm of rainfall expected)
  • Thursday
    23rd Oct
    Mostly cloudy with light rain (2-5 mm of rainfall expected)
  • Friday
    24th Oct
    Mostly cloudy with light rain (2-5 mm of rainfall expected)
  • Saturday
    25th Oct
    Mostly cloudy with light rain (2-5 mm of rainfall expected)
  • Sunday
    26th Oct
    Mostly cloudy with light rain (2-5 mm of rainfall expected)

5-day weather forecast updated at 04:03 on Wednesday 22nd October 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 Wednesday 22nd October 2025

Expect mostly cloudy with light rain in Letterkenny, Ireland with a maximum temperature of 11°C, maximum UV of 1 (Low) and 2 hours of bright sunshine. There are 0-2 mm of rainfall expected with 43% chance of some rain and a gentle breeze of 15 kph from the west.

  • 11°C maximum temperature11
    °C maximum temperature
  • 7°C minimum temperature7
    °C minimum temperature
  • Mostly cloudy with light rain
    mostly cloudy with light rain
  • 2 hours of bright sunshine2
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 43% chance of some rain43
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • 11°C wind chill11
    °C wind chill
  • Gentle breeze of 15 kph from the West15
    kph wind from W

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Letterkenny weather for Thursday 23rd October 2025

Expect mostly cloudy with light rain in Letterkenny, Ireland with a maximum temperature of 9°C, maximum UV of 1 (Low) and 2 hours of bright sunshine. There are 2-5 mm of rainfall expected with 63% chance of some rain and a fresh breeze of 35 kph from the west.

  • 9°C maximum temperature9
    °C maximum temperature
  • 7°C minimum temperature7
    °C minimum temperature
  • Mostly cloudy with light rain
    mostly cloudy with light rain
  • 2 hours of bright sunshine2
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 63% chance of some rain63
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    mm of rainfall expected
  • 5°C wind chill5
    °C wind chill
  • Fresh breeze of 35 kph from the West35
    kph wind from W

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Letterkenny weather for Friday 24th October 2025

Expect mostly cloudy with light rain in Letterkenny, Ireland with a maximum temperature of 11°C, maximum UV of 1 (Low) and 1 hour of bright sunshine. There are 2-5 mm of rainfall expected with 66% chance of some rain and a fresh breeze of 31 kph from the north.

  • 11°C maximum temperature11
    °C maximum temperature
  • 8°C minimum temperature8
    °C minimum temperature
  • Mostly cloudy with light rain
    mostly cloudy with light rain
  • 1 hour of bright sunshine1
    hour of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 66% chance of some rain66
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    mm of rainfall expected
  • 11°C wind chill11
    °C wind chill
  • Fresh breeze of 31 kph from the North31
    kph wind from N

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Letterkenny weather for Saturday 25th October 2025

Expect mostly cloudy with light rain in Letterkenny, Ireland with a maximum temperature of 8°C, maximum UV of 1 (Low) and 1 hour of bright sunshine. There are 2-5 mm of rainfall expected with 66% chance of some rain and a moderate breeze of 26 kph from the north.

  • 8°C maximum temperature8
    °C maximum temperature
  • 7°C minimum temperature7
    °C minimum temperature
  • Mostly cloudy with light rain
    mostly cloudy with light rain
  • 1 hour of bright sunshine1
    hour of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 66% chance of some rain66
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    mm of rainfall expected
  • 4°C wind chill4
    °C wind chill
  • Moderate breeze of 26 kph from the North26
    kph wind from N

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Letterkenny weather for Sunday 26th October 2025

Expect mostly cloudy with light rain in Letterkenny, Ireland with a maximum temperature of 9°C, maximum UV of 1 (Low) and 1 hour of bright sunshine. There are 2-5 mm of rainfall expected with 77% chance of some rain and a moderate breeze of 21 kph from the north-west.

  • 9°C maximum temperature9
    °C maximum temperature
  • 7°C minimum temperature7
    °C minimum temperature
  • Mostly cloudy with light rain
    mostly cloudy with light rain
  • 1 hour of bright sunshine1
    hour of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 77% chance of some rain77
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    mm of rainfall expected
  • 6°C wind chill6
    °C wind chill
  • Moderate breeze of 21 kph from the North-West21
    kph wind from NW

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

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