Letterkenny weather live forecast

Today's maximum temperature in Letterkenny is expected to be 7°C. Select a day from the live weather forecast for Letterkenny, Ireland for more weather parameters.

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

5-day weather forecast updated at 04:04 on Tuesday 2nd 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 mostly cloudy with light rain in Letterkenny, Ireland with a maximum temperature of 7°C and 2 hours of bright sunshine. There are 0-2 mm of rainfall expected with 7% chance of some rain and a fresh breeze of 29 kph from the south.

  • 7°C maximum temperature7
    °C maximum temperature
  • 4°C minimum temperature4
    °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)
  • 7% chance of some rain7
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • 3°C wind chill3
    °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 77% chance of some rain and a moderate breeze of 24 kph from the south.

  • 8°C maximum temperature8
    °C maximum temperature
  • 5°C minimum temperature5
    °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)
  • 77% chance of some rain77
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • 4°C wind chill4
    °C wind chill
  • Moderate breeze of 24 kph from the South24
    kph wind from S

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Letterkenny weather for Thursday 4th December 2025

Expect mostly cloudy with rain in Letterkenny, Ireland with a maximum temperature of 6°C and no hours of bright sunshine. There are 5-10 mm of rainfall expected with 28% chance of some rain and a light breeze of 12 kph from the south.

  • 6°C maximum temperature6
    °C maximum temperature
  • 3°C minimum temperature3
    °C minimum temperature
  • Mostly cloudy with rain
    mostly cloudy with rain
  • No hours of bright sunshine0
    hours of sunshine
  • No UV (maximum) index0
    UV index (None)
  • 28% chance of some rain28
    % chance of some rain
  • 5-10 mm of rainfall expected<10
    mm of rainfall expected
  • 4°C wind chill4
    °C wind chill
  • Light breeze of 12 kph from the South12
    kph wind from S

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Letterkenny weather for Friday 5th December 2025

Expect cloudy with some rain in Letterkenny, Ireland with a maximum temperature of 7°C and no hours of bright sunshine. There are 5-10 mm of rainfall expected with 85% chance of some rain and a fresh breeze of 32 kph from the south-east.

  • 7°C maximum temperature7
    °C maximum temperature
  • 3°C minimum temperature3
    °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)
  • 85% chance of some rain85
    % chance of some rain
  • 5-10 mm of rainfall expected<10
    mm of rainfall expected
  • 2°C wind chill2
    °C wind chill
  • Fresh breeze of 32 kph from the South-East32
    kph wind from SE

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Letterkenny weather for Saturday 6th December 2025

Expect cloudy with some rain in Letterkenny, Ireland with a maximum temperature of 8°C and no hours of bright sunshine. There are 5-10 mm of rainfall expected with 47% chance of some rain and a light breeze of 7 kph from the south-east.

  • 8°C maximum temperature8
    °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)
  • 47% chance of some rain47
    % chance of some rain
  • 5-10 mm of rainfall expected<10
    mm of rainfall expected
  • 7°C wind chill7
    °C wind chill
  • Light breeze of 7 kph from the South-East7
    kph wind from SE

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

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