Letterkenny weather live forecast

Tomorrow's maximum temperature in Letterkenny is expected to be 15°C.

  • Friday
    23rd May
    Mostly cloudy with rain (5-10 mm of rainfall expected)
  • Saturday
    24th May
    Cloudy with some rain (10-20 mm of rainfall expected)
  • Sunday
    25th May
    Mostly cloudy with rain (5-10 mm of rainfall expected)
  • Monday
    26th May
    Mostly cloudy with rain (5-10 mm of rainfall expected)
  • Tuesday
    27th May
    Broken clouds

5-day weather forecast updated at 04:03 on Friday 23rd May 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 Friday 23rd May 2025

Expect mostly cloudy with rain in Letterkenny, Ireland with a maximum temperature of 15°C, maximum UV of 4 (Moderate) and 1 hour of bright sunshine. There are 5-10 mm of rainfall expected with 99% chance of some rain and a moderate breeze of 22 kph from the south.

  • 15°C maximum temperature15
    °C maximum temperature
  • 4°C minimum temperature4
    °C minimum temperature
  • Mostly cloudy with rain
    mostly cloudy with rain
  • 1 hour of bright sunshine1
    hour of sunshine
  • UV (maximum) index 4 (Moderate)4
    UV index (Moderate)
  • 99% chance of some rain99
    % chance of some rain
  • 5-10 mm of rainfall expected<10
    mm of rainfall expected
  • 15°C wind chill15
    °C wind chill
  • Moderate breeze of 22 kph from the South22
    kph wind from S

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Letterkenny weather for Saturday 24th May 2025

Expect cloudy with some rain in Letterkenny, Ireland with a maximum temperature of 16°C, maximum UV of 3 (Moderate) and 2 hours of bright sunshine. There are 10-20 mm of rainfall expected with 93% chance of some rain and a moderate breeze of 28 kph from the south-west.

  • 16°C maximum temperature16
    °C maximum temperature
  • 12°C minimum temperature12
    °C minimum temperature
  • Cloudy with some rain
    cloudy with some rain
  • 2 hours of bright sunshine2
    hours of sunshine
  • UV (maximum) index 3 (Moderate)3
    UV index (Moderate)
  • 93% chance of some rain93
    % chance of some rain
  • 10-20 mm of rainfall expected<20
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Moderate breeze of 28 kph from the South-West28
    kph wind from SW

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Letterkenny weather for Sunday 25th May 2025

Expect mostly cloudy with rain in Letterkenny, Ireland with a maximum temperature of 11°C, maximum UV of 4 (Moderate) and 6 hours of bright sunshine. There are 5-10 mm of rainfall expected with 85% chance of some rain and a fresh breeze of 37 kph from the west.

  • 11°C maximum temperature11
    °C maximum temperature
  • 8°C minimum temperature8
    °C minimum temperature
  • Mostly cloudy with rain
    mostly cloudy with rain
  • 6 hours of bright sunshine6
    hours of sunshine
  • UV (maximum) index 4 (Moderate)4
    UV index (Moderate)
  • 85% chance of some rain85
    % chance of some rain
  • 5-10 mm of rainfall expected<10
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Fresh breeze of 37 kph from the West37
    kph wind from W

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Letterkenny weather for Monday 26th May 2025

Expect mostly cloudy with rain in Letterkenny, Ireland with a maximum temperature of 12°C, maximum UV of 4 (Moderate) and 6 hours of bright sunshine. There are 5-10 mm of rainfall expected with 88% chance of some rain and a fresh breeze of 32 kph from the west.

  • 12°C maximum temperature12
    °C maximum temperature
  • 8°C minimum temperature8
    °C minimum temperature
  • Mostly cloudy with rain
    mostly cloudy with rain
  • 6 hours of bright sunshine6
    hours of sunshine
  • UV (maximum) index 4 (Moderate)4
    UV index (Moderate)
  • 88% chance of some rain88
    % chance of some rain
  • 5-10 mm of rainfall expected<10
    mm of rainfall expected
  • 12°C wind chill12
    °C wind chill
  • Fresh breeze of 32 kph from the West32
    kph wind from W

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Letterkenny weather for Tuesday 27th May 2025

Expect broken clouds in Letterkenny, Ireland with a maximum temperature of 13°C, maximum UV of 6 (High) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 23 kph from the south-west.

  • 13°C maximum temperature13
    °C maximum temperature
  • 8°C minimum temperature8
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 4 hours of bright sunshine4
    hours of sunshine
  • UV (maximum) index 6 (High)6
    UV index (High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Moderate breeze of 23 kph from the South-West23
    kph wind from SW

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