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
14th Apr
13

2

0

1
Wednesday
15th Apr
14

8

0

2
Thursday
16th Apr
12

7

7

3
Friday
17th Apr
13

8

1

2
Saturday
18th Apr
10

6

6

3

5-day weather forecast updated at 04:03 on Tuesday 14th April 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 14th April 2026

Expect mostly cloudy with light rain in Letterkenny, Ireland with a maximum temperature of 13°C, maximum UV of 1 (Low) and no hours of bright sunshine. There are 2-5 mm of rainfall expected with 71% chance of some rain and a fresh breeze of 30 kph from the south-east.

13
°C maximum temperature
2
°C minimum temperature
mostly cloudy with light rain
0
hours of sunshine
1
UV index (Low)
71
% chance of some rain
<5
mm of rainfall expected
13
°C wind chill
30
kph wind from SE

Letterkenny weather for Wednesday 15th April 2026

Expect cloudy with some rain in Letterkenny, Ireland with a maximum temperature of 14°C, maximum UV of 2 (Low) and no hours of bright sunshine. There are 5-10 mm of rainfall expected with 84% chance of some rain and a moderate breeze of 25 kph from the south.

14
°C maximum temperature
8
°C minimum temperature
cloudy with some rain
0
hours of sunshine
2
UV index (Low)
84
% chance of some rain
<10
mm of rainfall expected
14
°C wind chill
25
kph wind from S

Letterkenny weather for Thursday 16th April 2026

Expect sunshine and showers in Letterkenny, Ireland with a maximum temperature of 12°C, maximum UV of 3 (Moderate) and 7 hours of bright sunshine. There are 0-2 mm of rainfall expected with 49% chance of some rain and a moderate breeze of 28 kph from the south-west.

12
°C maximum temperature
7
°C minimum temperature
sunshine and showers
7
hours of sunshine
3
UV index (Moderate)
49
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
28
kph wind from SW

Letterkenny weather for Friday 17th April 2026

Expect mostly cloudy with light rain in Letterkenny, Ireland with a maximum temperature of 13°C, maximum UV of 2 (Low) and 1 hour of bright sunshine. There are 2-5 mm of rainfall expected with 75% chance of some rain and a moderate breeze of 24 kph from the south.

13
°C maximum temperature
8
°C minimum temperature
mostly cloudy with light rain
1
hour of sunshine
2
UV index (Low)
75
% chance of some rain
<5
mm of rainfall expected
13
°C wind chill
24
kph wind from S

Letterkenny weather for Saturday 18th April 2026

Expect mostly cloudy with light rain in Letterkenny, Ireland with a maximum temperature of 10°C, maximum UV of 3 (Moderate) and 6 hours of bright sunshine. There are 2-5 mm of rainfall expected with 70% chance of some rain and a fresh breeze of 33 kph from the west.