Letterkenny weather live forecast

Today's maximum temperature in Letterkenny is expected to be 46°F. Select a day from the live weather forecast for Letterkenny, Ireland for more weather parameters.

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 46°F and 3 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 18 mph from the south.

  • 46°F maximum temperature46
    °F maximum temperature
  • 39°F minimum temperature39
    °F 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
  • 39°F wind chill39
    °F wind chill
  • Fresh breeze of 18 mph from the South18
    mph 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 46°F 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 13 mph from the south.

  • 46°F maximum temperature46
    °F maximum temperature
  • 43°F minimum temperature43
    °F 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
  • 41°F wind chill41
    °F wind chill
  • Moderate breeze of 13 mph from the South13
    mph 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 46°F 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 12 mph from the south-east.

  • 46°F maximum temperature46
    °F maximum temperature
  • 41°F minimum temperature41
    °F 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
  • 41°F wind chill41
    °F wind chill
  • Gentle breeze of 12 mph from the South-East12
    mph 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 43°F 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 19 mph from the south-east.

  • 43°F maximum temperature43
    °F maximum temperature
  • 37°F minimum temperature37
    °F 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
  • 36°F wind chill36
    °F wind chill
  • Fresh breeze of 19 mph from the South-East19
    mph 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 48°F 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 19 mph from the south-east.

  • 48°F maximum temperature48
    °F maximum temperature
  • 43°F minimum temperature43
    °F 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
  • 41°F wind chill41
    °F wind chill
  • Fresh breeze of 19 mph from the South-East19
    mph wind from SE

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