Letterkenny weather live forecast

Today's maximum temperature in Letterkenny is expected to be 13°C. Select a day from the live weather forecast for Letterkenny, Ireland for more weather parameters.

Tuesday
9th Jun
13

7

3

3
Wednesday
10th Jun
13

7

2

3
Thursday
11th Jun
14

9

4

2
Friday
12th Jun
15

11

4

5
Saturday
13th Jun
16

12

3

3

5-day weather forecast updated at 04:03 on Monday 8th 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 Tuesday 9th June 2026

Expect mostly cloudy with light rain in Letterkenny, Ireland with a maximum temperature of 13°C, maximum UV of 3 (Moderate) and 3 hours of bright sunshine. There are 2-5 mm of rainfall expected with 73% chance of some rain and a moderate breeze of 26 kph from the west.

13
°C maximum temperature
7
°C minimum temperature
mostly cloudy with light rain
3
hours of sunshine
3
UV index (Moderate)
73
% chance of some rain
<5
mm of rainfall expected
13
°C wind chill
26
kph wind from W

Letterkenny weather for Wednesday 10th June 2026

Expect mostly cloudy with light rain in Letterkenny, Ireland with a maximum temperature of 13°C, maximum UV of 3 (Moderate) and 2 hours of bright sunshine. There are 2-5 mm of rainfall expected with 67% chance of some rain and a moderate breeze of 23 kph from the west.

13
°C maximum temperature
7
°C minimum temperature
mostly cloudy with light rain
2
hours of sunshine
3
UV index (Moderate)
67
% chance of some rain
<5
mm of rainfall expected
0
no heat & humidity
23
kph wind from W

Letterkenny weather for Thursday 11th June 2026

Expect mostly cloudy with rain in Letterkenny, Ireland with a maximum temperature of 14°C, maximum UV of 2 (Low) and 4 hours of bright sunshine. There are 5-10 mm of rainfall expected with 85% chance of some rain and a fresh breeze of 31 kph from the west.

14
°C maximum temperature
9
°C minimum temperature
mostly cloudy with rain
4
hours of sunshine
2
UV index (Low)
85
% chance of some rain
<10
mm of rainfall expected
0
no heat & humidity
31
kph wind from W

Letterkenny weather for Friday 12th June 2026

Expect mostly cloudy with light rain in Letterkenny, Ireland with a maximum temperature of 15°C, maximum UV of 5 (Moderate) and 4 hours of bright sunshine. There are 2-5 mm of rainfall expected with 51% chance of some rain and a moderate breeze of 24 kph from the west.

15
°C maximum temperature
11
°C minimum temperature
mostly cloudy with light rain
4
hours of sunshine
5
UV index (Moderate)
51
% chance of some rain
<5
mm of rainfall expected
15
°C wind chill
24
kph wind from W

Letterkenny weather for Saturday 13th June 2026

Expect broken clouds in Letterkenny, Ireland with a maximum temperature of 16°C, maximum UV of 3 (Moderate) and 3 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 18 kph from the south-west.