Letterkenny weather live forecast

Today's maximum temperature in Letterkenny is expected to be 61°F. Select a day from the live weather forecast for Letterkenny, Ireland for more weather parameters.

Saturday
30th May
61

52

2

3
Sunday
31st May
61

52

4

5
Monday
1st Jun
63

52

0

4
Tuesday
2nd Jun
57

52

0

3
Wednesday
3rd Jun
57

50

1

4

5-day weather forecast updated at 04:03 on Saturday 30th May 2026 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 Saturday 30th May 2026

Expect mostly cloudy with light rain in Letterkenny, Ireland with a maximum temperature of 61°F, maximum UV of 3 (Moderate) and 2 hours of bright sunshine. There are 2-5 mm of rainfall expected with 65% chance of some rain and a moderate breeze of 14 mph from the south.

61
°F maximum temperature
52
°F minimum temperature
mostly cloudy with light rain
2
hours of sunshine
3
UV index (Moderate)
65
% chance of some rain
<5
mm of rainfall expected
0
no heat & humidity
14
mph wind from S

Letterkenny weather for Sunday 31st May 2026

Expect mostly cloudy with light rain in Letterkenny, Ireland with a maximum temperature of 61°F, maximum UV of 5 (Moderate) and 4 hours of bright sunshine. There are 0-2 mm of rainfall expected with 42% chance of some rain and a moderate breeze of 13 mph from the west.

61
°F maximum temperature
52
°F minimum temperature
mostly cloudy with light rain
4
hours of sunshine
5
UV index (Moderate)
42
% chance of some rain
<2
mm of rainfall expected
61
°F wind chill
13
mph wind from W

Letterkenny weather for Monday 1st June 2026

Expect cloudy with some rain in Letterkenny, Ireland with a maximum temperature of 63°F, maximum UV of 4 (Moderate) and no hours of bright sunshine. There are 5-10 mm of rainfall expected with 81% chance of some rain and a gentle breeze of 8 mph from the south.

63
°F maximum temperature
52
°F minimum temperature
cloudy with some rain
0
hours of sunshine
4
UV index (Moderate)
81
% chance of some rain
<10
mm of rainfall expected
63
°F wind chill
8
mph wind from S

Letterkenny weather for Tuesday 2nd June 2026

Expect mostly cloudy with light rain in Letterkenny, Ireland with a maximum temperature of 57°F, maximum UV of 3 (Moderate) and no hours of bright sunshine. There are 2-5 mm of rainfall expected with 67% chance of some rain and a gentle breeze of 11 mph from the west.

57
°F maximum temperature
52
°F minimum temperature
mostly cloudy with light rain
0
hours of sunshine
3
UV index (Moderate)
67
% chance of some rain
<5
mm of rainfall expected
0
no heat & humidity
11
mph wind from W

Letterkenny weather for Wednesday 3rd June 2026

Expect mostly cloudy with light rain in Letterkenny, Ireland with a maximum temperature of 57°F, maximum UV of 4 (Moderate) and 1 hour of bright sunshine. There are 2-5 mm of rainfall expected with 84% chance of some rain and a gentle breeze of 10 mph from the south-west.