Letterkenny weather live forecast

Today's maximum temperature in Letterkenny is expected to be 14°C. Select a day from the live weather forecast for Letterkenny, Ireland for more weather parameters.

Thursday
4th Jun
14

8

3

3
Friday
5th Jun
14

8

2

3
Saturday
6th Jun
14

9

0

1
Sunday
7th Jun
13

9

6

1
Monday
8th Jun
13

7

8

5

5-day weather forecast updated at 04:03 on Thursday 4th June 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 Thursday 4th June 2026

Expect mostly cloudy with rain in Letterkenny, Ireland with a maximum temperature of 14°C, maximum UV of 3 (Moderate) and 3 hours of bright sunshine. There are 5-10 mm of rainfall expected with 93% chance of some rain and a fresh breeze of 30 kph from the west.

14
°C maximum temperature
8
°C minimum temperature
mostly cloudy with rain
3
hours of sunshine
3
UV index (Moderate)
93
% chance of some rain
<10
mm of rainfall expected
14
°C wind chill
30
kph wind from W

Letterkenny weather for Friday 5th June 2026

Expect mostly cloudy with light rain in Letterkenny, Ireland with a maximum temperature of 14°C, maximum UV of 3 (Moderate) and 2 hours of bright sunshine. There are 0-2 mm of rainfall expected with 54% chance of some rain and a moderate breeze of 20 kph from the south-west.

14
°C maximum temperature
8
°C minimum temperature
mostly cloudy with light rain
2
hours of sunshine
3
UV index (Moderate)
54
% chance of some rain
<2
mm of rainfall expected
14
°C wind chill
20
kph wind from SW

Letterkenny weather for Saturday 6th June 2026

Expect cloudy with some rain in Letterkenny, Ireland with a maximum temperature of 14°C, maximum UV of 1 (Low) and no hours of bright sunshine. There are 5-10 mm of rainfall expected with 91% chance of some rain and a gentle breeze of 18 kph from the south-east.

14
°C maximum temperature
9
°C minimum temperature
cloudy with some rain
0
hours of sunshine
1
UV index (Low)
91
% chance of some rain
<10
mm of rainfall expected
14
°C wind chill
18
kph wind from SE

Letterkenny weather for Sunday 7th June 2026

Expect mostly cloudy with light rain in Letterkenny, Ireland with a maximum temperature of 13°C, maximum UV of 1 (Low) and 6 hours of bright sunshine. There are 2-5 mm of rainfall expected with 82% chance of some rain and a moderate breeze of 26 kph from the south.

13
°C maximum temperature
9
°C minimum temperature
mostly cloudy with light rain
6
hours of sunshine
1
UV index (Low)
82
% chance of some rain
<5
mm of rainfall expected
0
no heat & humidity
26
kph wind from S

Letterkenny weather for Monday 8th June 2026

Expect sunshine and showers in Letterkenny, Ireland with a maximum temperature of 13°C, maximum UV of 5 (Moderate) and 8 hours of bright sunshine. There are 2-5 mm of rainfall expected with 84% chance of some rain and a moderate breeze of 24 kph from the south-west.