Letterkenny weather live forecast

Tomorrow's maximum temperature in Letterkenny is expected to be 16°C.

  • Tuesday
    1st Jul
    Broken clouds
  • Wednesday
    2nd Jul
    Broken clouds
  • Thursday
    3rd Jul
    Broken clouds
  • Friday
    4th Jul
    Mostly cloudy with light rain (2-5 mm of rainfall expected)
  • Saturday
    5th Jul
    Mostly cloudy with light rain (0-2 mm of rainfall expected)

5-day weather forecast updated at 04:03 on Tuesday 1st July 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 1st July 2025

Expect broken clouds in Letterkenny, Ireland with a maximum temperature of 16°C, maximum UV of 4 (Moderate) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 15 kph from the north.

  • 16°C maximum temperature16
    °C maximum temperature
  • 9°C minimum temperature9
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 7 hours of bright sunshine7
    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
  • Gentle breeze of 15 kph from the North15
    kph wind from N

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Letterkenny weather for Wednesday 2nd July 2025

Expect broken clouds in Letterkenny, Ireland with a maximum temperature of 16°C, maximum UV of 4 (Moderate) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 19 kph from the west.

  • 16°C maximum temperature16
    °C maximum temperature
  • 7°C minimum temperature7
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 9 hours of bright sunshine9
    hours of sunshine
  • UV (maximum) index 4 (Moderate)4
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 16°C wind chill16
    °C wind chill
  • Gentle breeze of 19 kph from the West19
    kph wind from W

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Letterkenny weather for Thursday 3rd July 2025

Expect broken clouds in Letterkenny, Ireland with a maximum temperature of 17°C, maximum UV of 3 (Moderate) and 2 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 28 kph from the south-west.

  • 17°C maximum temperature17
    °C maximum temperature
  • 9°C minimum temperature9
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 2 hours of bright sunshine2
    hours of sunshine
  • UV (maximum) index 3 (Moderate)3
    UV index (Moderate)
  • 0 mm of rainfall expected0
    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 Friday 4th July 2025

Expect mostly cloudy with light rain in Letterkenny, Ireland with a maximum temperature of 17°C, maximum UV of 2 (Low) and no hours of bright sunshine. There are 2-5 mm of rainfall expected with 97% chance of some rain and a fresh breeze of 33 kph from the south-west.

  • 17°C maximum temperature17
    °C maximum temperature
  • 13°C minimum temperature13
    °C minimum temperature
  • Mostly cloudy with light rain
    mostly cloudy with light rain
  • No hours of bright sunshine0
    hours of sunshine
  • UV (maximum) index 2 (Low)2
    UV index (Low)
  • 97% chance of some rain97
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Fresh breeze of 33 kph from the South-West33
    kph wind from SW

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Letterkenny weather for Saturday 5th July 2025

Expect mostly cloudy with light rain in Letterkenny, Ireland with a maximum temperature of 16°C, maximum UV of 4 (Moderate) and no hours of bright sunshine. There are 0-2 mm of rainfall expected with 87% chance of some rain and a moderate breeze of 21 kph from the south-west.

  • 16°C maximum temperature16
    °C maximum temperature
  • 12°C minimum temperature12
    °C minimum temperature
  • Mostly cloudy with light rain
    mostly cloudy with light rain
  • No hours of bright sunshine0
    hours of sunshine
  • UV (maximum) index 4 (Moderate)4
    UV index (Moderate)
  • 87% chance of some rain87
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Moderate breeze of 21 kph from the South-West21
    kph wind from SW

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

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