Letterkenny weather live forecast

Tomorrow's maximum temperature in Letterkenny is expected to be 55°F.

5-day weather forecast updated at 04:03 on Saturday 19th April 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 20th April 2025

Expect mostly cloudy with light rain in Letterkenny, Ireland with a maximum temperature of 55°F, maximum UV of 3 (Moderate) and 2 hours of bright sunshine. There are 0-2 mm of rainfall expected with 29% chance of some rain and a gentle breeze of 11 mph from the south.

  • 55°F maximum temperature55
    °F maximum temperature
  • 45°F minimum temperature45
    °F minimum temperature
  • Mostly cloudy with light rain
    mostly cloudy with light rain
  • 2 hours of bright sunshine2
    hours of sunshine
  • UV (maximum) index 3 (Moderate)3
    UV index (Moderate)
  • 29% chance of some rain29
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Gentle breeze of 11 mph from the South11
    mph wind from S

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Letterkenny weather for Monday 21st April 2025

Expect sunshine and showers in Letterkenny, Ireland with a maximum temperature of 54°F, maximum UV of 2 (Low) and 7 hours of bright sunshine. There are 2-5 mm of rainfall expected with 63% chance of some rain and a gentle breeze of 11 mph from the south-west.

  • 54°F maximum temperature54
    °F maximum temperature
  • 45°F minimum temperature45
    °F minimum temperature
  • Sunshine and showers
    sunshine and showers
  • 7 hours of bright sunshine7
    hours of sunshine
  • UV (maximum) index 2 (Low)2
    UV index (Low)
  • 63% chance of some rain63
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Gentle breeze of 11 mph from the South-West11
    mph wind from SW

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Letterkenny weather for Tuesday 22nd April 2025

Expect mostly cloudy with light rain in Letterkenny, Ireland with a maximum temperature of 55°F, maximum UV of 3 (Moderate) and no hours of bright sunshine. There are 2-5 mm of rainfall expected with 45% chance of some rain and a moderate breeze of 15 mph from the south.

  • 55°F maximum temperature55
    °F maximum temperature
  • 43°F minimum temperature43
    °F minimum temperature
  • Mostly cloudy with light rain
    mostly cloudy with light rain
  • No hours of bright sunshine0
    hours of sunshine
  • UV (maximum) index 3 (Moderate)3
    UV index (Moderate)
  • 45% chance of some rain45
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Moderate breeze of 15 mph from the South15
    mph wind from S

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Letterkenny weather for Wednesday 23rd April 2025

Expect broken clouds in Letterkenny, Ireland with a maximum temperature of 57°F, maximum UV of 4 (Moderate) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 9 mph from the south-east.

  • 57°F maximum temperature57
    °F maximum temperature
  • 41°F minimum temperature41
    °F minimum temperature
  • Broken clouds
    broken clouds
  • 5 hours of bright sunshine5
    hours of sunshine
  • UV (maximum) index 4 (Moderate)4
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 57°F wind chill57
    °F wind chill
  • Gentle breeze of 9 mph from the South-East9
    mph wind from SE

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Letterkenny weather for Thursday 24th April 2025

Expect broken clouds in Letterkenny, Ireland with a maximum temperature of 55°F, maximum UV of 4 (Moderate) and no hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 13 mph from the south-east.

  • 55°F maximum temperature55
    °F maximum temperature
  • 43°F minimum temperature43
    °F minimum temperature
  • Broken clouds
    broken clouds
  • No hours of bright sunshine0
    hours of sunshine
  • UV (maximum) index 4 (Moderate)4
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Moderate breeze of 13 mph from the South-East13
    mph wind from SE

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Metric (°C)  |  Imperial (°F)

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