Letterkenny weather live forecast

Today's maximum temperature in Letterkenny is expected to be 12°C. Select a day from the live weather forecast for Letterkenny, Ireland for more weather parameters.

  • Sunday
    9th Nov
    Sunshine and showers (0-2 mm of rainfall expected)
  • Monday
    10th Nov
    Broken clouds
  • Tuesday
    11th Nov
    Cloudy with some rain (20-30 mm of rainfall expected)
  • Wednesday
    12th Nov
    Overcast with light rain (5-10 mm of rainfall expected)
  • Thursday
    13th Nov
    Mostly cloudy with light rain (2-5 mm of rainfall expected)

5-day weather forecast updated at 04:03 on Saturday 8th 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 Sunday 9th November 2025

Expect sunshine and showers in Letterkenny, Ireland with a maximum temperature of 12°C, maximum UV of 1 (Low) and 4 hours of bright sunshine. There are 0-2 mm of rainfall expected with 42% chance of some rain and a moderate breeze of 26 kph from the south.

  • 12°C maximum temperature12
    °C maximum temperature
  • 7°C minimum temperature7
    °C minimum temperature
  • Sunshine and showers
    sunshine and showers
  • 4 hours of bright sunshine4
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 42% chance of some rain42
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Moderate breeze of 26 kph from the South26
    kph wind from S

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Letterkenny weather for Monday 10th November 2025

Expect broken clouds in Letterkenny, Ireland with a maximum temperature of 10°C and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 8 kph from the south.

  • 10°C maximum temperature10
    °C maximum temperature
  • 5°C minimum temperature5
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 6 hours of bright sunshine6
    hours of sunshine
  • No UV (maximum) index0
    UV index (None)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 9°C wind chill9
    °C wind chill
  • Light breeze of 8 kph from the South8
    kph wind from S

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Letterkenny weather for Tuesday 11th November 2025

Expect cloudy with some rain in Letterkenny, Ireland with a maximum temperature of 14°C and no hours of bright sunshine. There are 20-30 mm of rainfall expected with 93% chance of some rain and a moderate breeze of 25 kph from the south-east.

  • 14°C maximum temperature14
    °C maximum temperature
  • 6°C minimum temperature6
    °C minimum temperature
  • Cloudy with some rain
    cloudy with some rain
  • No hours of bright sunshine0
    hours of sunshine
  • No UV (maximum) index0
    UV index (None)
  • 93% chance of some rain93
    % chance of some rain
  • 20-30 mm of rainfall expected<30
    mm of rainfall expected
  • 14°C wind chill14
    °C wind chill
  • Moderate breeze of 25 kph from the South-East25
    kph wind from SE

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Letterkenny weather for Wednesday 12th November 2025

Expect overcast with light rain in Letterkenny, Ireland with a maximum temperature of 13°C, maximum UV of 1 (Low) and no hours of bright sunshine. There are 5-10 mm of rainfall expected with 54% chance of some rain and a moderate breeze of 23 kph from the south-east.

  • 13°C maximum temperature13
    °C maximum temperature
  • 8°C minimum temperature8
    °C minimum temperature
  • Overcast with light rain
    overcast with light rain
  • No hours of bright sunshine0
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 54% chance of some rain54
    % chance of some rain
  • 5-10 mm of rainfall expected<10
    mm of rainfall expected
  • 13°C wind chill13
    °C wind chill
  • Moderate breeze of 23 kph from the South-East23
    kph wind from SE

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Letterkenny weather for Thursday 13th November 2025

Expect mostly cloudy with light rain in Letterkenny, Ireland with a maximum temperature of 13°C and 1 hour of bright sunshine. There are 2-5 mm of rainfall expected with 58% chance of some rain and a gentle breeze of 17 kph from the east.

  • 13°C maximum temperature13
    °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
  • No UV (maximum) index0
    UV index (None)
  • 58% chance of some rain58
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    mm of rainfall expected
  • 13°C wind chill13
    °C wind chill
  • Gentle breeze of 17 kph from the East17
    kph wind from E

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

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