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
6th Oct
13

7

3

1
Wednesday
7th Oct
11

7

5

1
Thursday
8th Oct
14

7

0

0
Friday
9th Oct
14

9

4

2
Saturday
10th Oct
12

9

4

1

5-day weather forecast updated at 04:02 on Tuesday 6th October 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 6th October 2026

Expect broken clouds in Letterkenny, Ireland with a maximum temperature of 13°C, maximum UV of 1 (Low) and 3 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 11 kph from the north-west.

13
°C maximum temperature
7
°C minimum temperature
broken clouds
3
hours of sunshine
1
UV index (Low)
0
mm of rainfall expected
13
°C wind chill
11
kph wind from NW

Letterkenny weather for Wednesday 7th October 2026

Expect sunshine and showers in Letterkenny, Ireland with a maximum temperature of 11°C, maximum UV of 1 (Low) and 5 hours of bright sunshine. There are 0-2 mm of rainfall expected with 47% chance of some rain and a moderate breeze of 24 kph from the north-west.

11
°C maximum temperature
7
°C minimum temperature
sunshine and showers
5
hours of sunshine
1
UV index (Low)
47
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
24
kph wind from NW

Letterkenny weather for Thursday 8th October 2026

Expect cloudy with some rain in Letterkenny, Ireland with a maximum temperature of 14°C and no hours of bright sunshine. There are 10-20 mm of rainfall expected with 94% chance of some rain and a fresh breeze of 32 kph from the south.

14
°C maximum temperature
7
°C minimum temperature
cloudy with some rain
0
hours of sunshine
0
UV index (None)
94
% chance of some rain
<20
mm of rainfall expected
0
no heat & humidity
32
kph wind from S

Letterkenny weather for Friday 9th October 2026

Expect mostly cloudy with light rain in Letterkenny, Ireland with a maximum temperature of 14°C, maximum UV of 2 (Low) and 4 hours of bright sunshine. There are 2-5 mm of rainfall expected with 67% chance of some rain and a fresh breeze of 29 kph from the west.

14
°C maximum temperature
9
°C minimum temperature
mostly cloudy with light rain
4
hours of sunshine
2
UV index (Low)
67
% chance of some rain
<5
mm of rainfall expected
14
°C wind chill
29
kph wind from W

Letterkenny weather for Saturday 10th October 2026

Expect mostly cloudy with light rain in Letterkenny, Ireland with a maximum temperature of 12°C, maximum UV of 1 (Low) and 4 hours of bright sunshine. There are 0-2 mm of rainfall expected with 73% chance of some rain and a fresh breeze of 29 kph from the west.