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.

  • Tuesday
    2nd Dec
    Broken clouds
  • Wednesday
    3rd Dec
    Mostly cloudy with light rain (0-2 mm of rainfall expected)
  • Thursday
    4th Dec
    Mostly cloudy with light rain (2-5 mm of rainfall expected)
  • Friday
    5th Dec
    Mostly cloudy with light rain (0-2 mm of rainfall expected)
  • Saturday
    6th Dec
    Mostly cloudy with rain (5-10 mm of rainfall expected)

5-day weather forecast updated at 04:04 on Monday 1st December 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 Tuesday 2nd December 2025

Expect broken clouds in Letterkenny, Ireland with a maximum temperature of 8°C and 3 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 29 kph from the south.

  • 8°C maximum temperature8
    °C maximum temperature
  • 4°C minimum temperature4
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 3 hours of bright sunshine3
    hours of sunshine
  • No UV (maximum) index0
    UV index (None)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 4°C wind chill4
    °C wind chill
  • Fresh breeze of 29 kph from the South29
    kph wind from S

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Letterkenny weather for Wednesday 3rd December 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 0-2 mm of rainfall expected with 41% chance of some rain and a moderate breeze of 21 kph from the south.

  • 8°C maximum temperature8
    °C maximum temperature
  • 6°C minimum temperature6
    °C minimum temperature
  • Mostly cloudy with light rain
    mostly cloudy with light rain
  • 2 hours of bright sunshine2
    hours of sunshine
  • No UV (maximum) index0
    UV index (None)
  • 41% chance of some rain41
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • 5°C wind chill5
    °C wind chill
  • Moderate breeze of 21 kph from the South21
    kph wind from S

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Letterkenny weather for Thursday 4th December 2025

Expect mostly cloudy with light rain in Letterkenny, Ireland with a maximum temperature of 8°C and no hours of bright sunshine. There are 2-5 mm of rainfall expected with 37% chance of some rain and a gentle breeze of 19 kph from the south-east.

  • 8°C maximum temperature8
    °C maximum temperature
  • 5°C minimum temperature5
    °C minimum temperature
  • Mostly cloudy with light rain
    mostly cloudy with light rain
  • No hours of bright sunshine0
    hours of sunshine
  • No UV (maximum) index0
    UV index (None)
  • 37% chance of some rain37
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    mm of rainfall expected
  • 5°C wind chill5
    °C wind chill
  • Gentle breeze of 19 kph from the South-East19
    kph wind from SE

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Letterkenny weather for Friday 5th December 2025

Expect mostly cloudy with light rain in Letterkenny, Ireland with a maximum temperature of 6°C and 1 hour of bright sunshine. There are 0-2 mm of rainfall expected with 72% chance of some rain and a fresh breeze of 30 kph from the south-east.

  • 6°C maximum temperature6
    °C maximum temperature
  • 3°C minimum temperature3
    °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)
  • 72% chance of some rain72
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • 2°C wind chill2
    °C wind chill
  • Fresh breeze of 30 kph from the South-East30
    kph wind from SE

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Letterkenny weather for Saturday 6th December 2025

Expect mostly cloudy with rain in Letterkenny, Ireland with a maximum temperature of 9°C and 2 hours of bright sunshine. There are 5-10 mm of rainfall expected with 54% chance of some rain and a fresh breeze of 31 kph from the south-east.

  • 9°C maximum temperature9
    °C maximum temperature
  • 6°C minimum temperature6
    °C minimum temperature
  • Mostly cloudy with rain
    mostly cloudy with rain
  • 2 hours of bright sunshine2
    hours of sunshine
  • No UV (maximum) index0
    UV index (None)
  • 54% chance of some rain54
    % chance of some rain
  • 5-10 mm of rainfall expected<10
    mm of rainfall expected
  • 5°C wind chill5
    °C wind chill
  • Fresh breeze of 31 kph from the South-East31
    kph wind from SE

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

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