Letterkenny weather live forecast

Tomorrow's maximum temperature in Letterkenny is expected to be 14°C.

  • Friday
    2nd May
    Broken clouds
  • Saturday
    3rd May
    Broken clouds
  • Sunday
    4th May
    Broken clouds
  • Monday
    5th May
    Broken clouds
  • Tuesday
    6th May
    Broken clouds

5-day weather forecast updated at 04:03 on Friday 2nd May 2025 GMT

More about Letterkenny

Letterkenny by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Ireland

GoGroopie: Current travel deals worldwide

  • Save on beach holidays, city breaks & UK escapes
  • Browse latest travel deals from GoGroopie
  • Filter deals by destination or holiday type & more
Go to GoGroopie deal >>

View all GoGroopie offers

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 2nd May 2025

Expect broken clouds in Letterkenny, Ireland with a maximum temperature of 14°C, maximum UV of 4 (Moderate) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 16 kph from the north-west.

  • 14°C maximum temperature14
    °C maximum temperature
  • 7°C minimum temperature7
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 4 hours of bright sunshine4
    hours of sunshine
  • UV (maximum) index 4 (Moderate)4
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 14°C wind chill14
    °C wind chill
  • Gentle breeze of 16 kph from the North-West16
    kph wind from NW

Back to top

Letterkenny weather for Saturday 3rd May 2025

Expect broken clouds in Letterkenny, Ireland with a maximum temperature of 13°C, maximum UV of 4 (Moderate) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 25 kph from the north.

  • 13°C maximum temperature13
    °C maximum temperature
  • 7°C minimum temperature7
    °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
  • 13°C wind chill13
    °C wind chill
  • Moderate breeze of 25 kph from the North25
    kph wind from N

Back to top

Letterkenny weather for Sunday 4th May 2025

Expect broken clouds in Letterkenny, Ireland with a maximum temperature of 12°C, maximum UV of 3 (Moderate) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 18 kph from the north-east.

  • 12°C maximum temperature12
    °C maximum temperature
  • 4°C minimum temperature4
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 5 hours of bright sunshine5
    hours of sunshine
  • UV (maximum) index 3 (Moderate)3
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 12°C wind chill12
    °C wind chill
  • Gentle breeze of 18 kph from the North-East18
    kph wind from NE

Back to top

Letterkenny weather for Monday 5th May 2025

Expect broken clouds in Letterkenny, Ireland with a maximum temperature of 13°C, maximum UV of 2 (Low) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 15 kph from the north.

  • 13°C maximum temperature13
    °C maximum temperature
  • 3°C minimum temperature3
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 7 hours of bright sunshine7
    hours of sunshine
  • UV (maximum) index 2 (Low)2
    UV index (Low)
  • 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

Back to top

Letterkenny weather for Tuesday 6th May 2025

Expect broken clouds in Letterkenny, Ireland with a maximum temperature of 13°C, maximum UV of 5 (Moderate) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 12 kph from the north.

  • 13°C maximum temperature13
    °C maximum temperature
  • 4°C minimum temperature4
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 7 hours of bright sunshine7
    hours of sunshine
  • UV (maximum) index 5 (Moderate)5
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 13°C wind chill13
    °C wind chill
  • Light breeze of 12 kph from the North12
    kph wind from N

Back to top

Newmarket Holidays: Top offers on European holidays

  • Save on holidays to destinations across Europe in 2025/2026
  • Destinations include to France, Spain, Norway, Russia & Cyprus
  • Enjoy an escorted tour, city break, river cruise & more
Go to Newmarket Holidays deal >>

View all Newmarket Holidays offers

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

Back to top

More about Ireland

Related posts

Popular travel offers

Explore holidays in the sun for less

More holidays

Airport parking

More parking

Airport lounges

More lounges

Top ^